Schweitzer Engineering Laboratories SEL-387-0 Instruction Manual
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Schweitzer Engineering Laboratories SEL-387-0 Instruction Manual

Current differential overcurrent relay data recorder
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Table of Contents

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SEL-387-0, -5, -6 Relay
Current Differential
Overcurrent Relay
Data Recorder
Instruction Manual
20050919
*PM387-01-NB*

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Summary of Contents for Schweitzer Engineering Laboratories SEL-387-0

  • Page 1 SEL-387-0, -5, -6 Relay Current Differential Overcurrent Relay Data Recorder Instruction Manual 20050919 *PM387-01-NB*...
  • Page 2 SEL products appearing in this document may be covered by US and Foreign patents. Schweitzer Engineering Laboratories, Inc. reserves all rights and benefits afforded under federal and international copyright and patent laws in its products, including without limitation software, firmware, and documentation.

  • Page 3: Table Of Contents

    Through-Fault Event Monitor (SEL-387-5 and SEL-387-6) ..............1.4 Programmable Optoisolated Inputs and Output Contacts ............... 1.4 Application Ideas............................. 1.5 Model Options ..............................1.7 SEL-387-0 Relay ............................. 1.7 SEL-387 Relay ............................1.7 SEL-387-6 Relay ............................. 1.7 Conventional Terminal Blocks ........................ 1.7 ®...
  • Page 4 Overview................................4.1 Optoisolated Inputs ............................4.2 Input Functions ............................4.2 Factory Settings Examples ........................4.2 Local Control Switches (All But SEL-387-0 Relay) ..................4.3 Remote Control Switches ..........................4.4 Remote Bit Application ...........................4.4 Remote Bit States Not Retained When Power Is Lost ................4.4 Remote Bit States Retained When Settings Changed or Active Setting Group Changed .......4.4 Multiple Setting Groups...........................4.6...
  • Page 5 Temperature ............................5.27 RAM ..............................5.28 Flash ROM ............................5.28 Analog to Digital Converter ........................5.28 Critical RAM ............................5.28 EEPROM ............................... 5.28 Interface Boards ............................ 5.28 Self-Test Alarm Limits .......................... 5.28 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 6 Section 8: Front-Panel Interface Front-Panel Operation............................8.1 Time-Out ..............................8.1 Displays ..............................8.2 Target LEDs .............................8.2 Password Access ............................8.2 Pushbuttons ..............................8.4 Primary Function Review ........................8.4 Secondary Function Review ........................8.15 Pushbutton/Serial Port Equivalents ......................8.16 Programmable LEDA, LEDB, LEDC......................8.17 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 7 Inspection Procedure ........................... 10.37 Troubleshooting Procedure ......................... 10.37 Relay Calibration............................10.42 Factory Assistance............................10.42 SEL-387-0, -5, -6 Relay Commissioning Test Worksheet System Information ..........................Sheet.1 Settings Check ............................Sheet.2 Connection Check ............................ Sheet.3 Magnitude, Angle, and Phase Rotation Check..................Sheet.3 Appendix A: Firmware and Manual Versions Firmware.................................
  • Page 8 BNA Command ............................D.14 SNS Message ............................D.14 Appendix E: Compressed ASCII Commands Overview................................. E.1 CASCII Command—General Format......................E.2 SEL-387-0, -5 Relay ............................E.4 CASCII Command ..........................E.4 CBREAKER Command ......................... E.5 CEVENT Command ..........................E.5 CEVENT Winding Report (Default) ...................... E.6 CEVENT Differential Report .........................
  • Page 9 Data Access Method............................G.5 DNP3 Documentation ............................ G.6 Device Profile ............................G.6 Object Table ............................G.7 Data Map .............................. G.10 Relay Summary Event Data ......................... G.18 Point Remapping ............................G.19 Introduction ............................G.19 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 10 This page intentionally left blank...

  • Page 11: List Of Tables

    Control Equation Settings for Rotating Selector Switch........4.9 OGIC Table 4.4 Control Equation Variables (SEL-387-0 Relay Only).......... 4.11 OGIC Table 4.5 Control Equation Variables (All But SEL-387-0 Relay)........4.11 OGIC Table 4.6 LED Assignments ........................ 4.17 Table 4.7 Control Equation Operators ................. 4.25 OGIC Table 4.8...
  • Page 12 Firmware Revision History—SEL-387-6 Relay..............A.6 Table A.4 Settings Change History—SEL-387-5 ..................A.8 Table A.5 Settings Change History—SEL-387-6 ..................A.8 Table A.6 Manual Revision History—SEL-387-0, -5, -6 ..............A.9 Table A.7 Manual Revision History—SEL-387-0 Relay..............A.14 Table A.8 Manual Revision History—SEL-387-5, -6 Relay ............... A.17 Table B.1 Troubleshooting New Firmware Upload ................
  • Page 13 Winding 1 Compensated Currents ..................3.3 Figure 3.3 Differential Element (87-1) Quantities (SEL-387-0) ............. 3.4 Figure 3.4 Differential Element (87-1) Quantities (All But SEL-387-0) ..........3.5 Figure 3.5 Differential Element Decision Logic ..................3.6 Figure 3.6 Differential Element Harmonic Blocking Logic ..............3.8 Figure 3.7...
  • Page 14 Preparing HyperTerminal for ID Command Display............. B.7 Figure B.9 List of Commands Available in SEL ................B.8 BOOT Figure B.10 Matching Computer to Relay Parameters................B.9 Figure B.11 Example Receive File Dialog Box..................B.10 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 15 Figure B.13 Downloading Old Firmware....................B.10 Figure B.14 Selecting New Firmware to Send to the Relay..............B.12 Figure B.15 Transferring New Firmware to the Relay................B.12 Figure B.16 Preparing HyperTerminal for ID Command Display ............B.16 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 16 This page intentionally left blank...

  • Page 17: Preface

    Appendix B: SEL-300 Series Relays Firmware Upgrade Instructions. Describes the procedure to update the firmware stored in flash memory. Appendix C: SEL Distributed Port Switch Protocol (LMD). Describes the use of this protocol. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 18 Actual page number in the particular section The section title is at the top of the page title block, with the main subsection reference in bold type underneath the section title. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 19: Conventions

    SEL-387. These examples are for demonstration purposes only; the firmware identification information or settings values included in these examples may not necessarily match those in the current version of your SEL-387. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 20: Safety Information

    Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury. DANGER Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 21: Section 1: Introduction And Specifications

    For assistance with CT selection, obtain SEL Application Guide 99-07 Bus Protection Using a Four- Winding Low-Impedance Percentage Differential Relay from the SEL website (www.selinc.com). Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 22: Relay Functions

    These relays also provide security against conditions that may cause relay misoperation, resulting from both system and transformer events. Use the fifth-harmonic element to prevent relay misoperation during allowable overexcitation conditions. Even-harmonic elements (second and fourth SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 23: Restricted Earth Fault Protection

    Windings 1 and 2 and Windings 3 and 4 Overcurrent element pickup settings and operating characteristics are independent of the differential element settings. Most elements can be torque controlled. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 24: Through-Fault Event Monitor (Sel-387-5 And Sel-387-6)

    SEL control OGIC Optoisolated Inputs equation functions include independent timers, tripping, event report and Output Contacts triggering, and relay output contact control. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 25: Application Ideas

    Application Ideas Application Ideas ∑ Combined ∑ Combined Figure 1.2 Transformer and Overcurrent Protection 52-1 CT2B 52-2 ∑ CT2A Combined Low-Voltage Bus 52-3 52-4 52-5 Figure 1.3 Transformer and Low-Voltage Bus Protection Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 26: Figure 1.4 Bus And Feeder Protection

    Introduction and Specifications Application Ideas Figure 1.4 Bus and Feeder Protection Figure 1.5 Unit Differential Protection SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 27: Model Options

    However, we recommend using the SEL-387-5 or the SEL-387-6 for new designs because of the enhanced features they provide. SEL-387 Relay The SEL-387-5 includes all of the features of the SEL-387-0 plus the following enhancements: ➤ Adds 16 local control switches ➤...

  • Page 28: Specifications

    0.50 A L/R = 40 ms Terminal Block 125 V 0.30 A L/R = 40 ms Minimum: 0.8 Nm (7.086-in-lb) 250 V 0.20 A L/R = 40 ms Maximum: 1.4 Nm (12-in-lb) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 29 RFI and Interference Tests Pickup Time: (Min/Typ/Max) Restrained Element 1 MHz Burst IEC 60255-22-1:1988 Class 3 (with harmonic Disturbance: blocking) 1.5/1.6/2.2 cycles Fast Transient IEC 60255-22-4:1992 (Min/Typ/Max) Pickup Time: Disturbance: IEC 61000-4-4:1995 Level 4 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 30 2 and 30 multiples of pickup Note: For the combined current elements, 30 multiples of pickup is the sum of the currents in the two windings. Reset Characteristic: Induction-disk reset emulation or 1 cycle linear reset SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 31: Section 2: Installation

    Design your installation using the mounting and connection information in this section. Options include rack or panel mounting and terminal block or ® plug-in connector (Connectorized ) wiring. This section also includes information on configuring the relay for your application. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 32: Relay Mounting

    (69.9 mm) from the front of your panel. This ordering option increases space at the rear of the relay for applications where the relay would ordinarily be too deep to fit your cabinet. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 33: Dimensions And Cutout

    Installation Relay Mounting Dimensions and Cutout Figure 2.1 Relay Dimensions for Rack-Mount and Panel-Mount Models Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 34: Figure 2.2 Front-Panel Drawings-Models 0387X0Xxxh And 0387X1Xxxh

    Installation Relay Mounting Figure 2.2 Front-Panel Drawings–Models 0387x0xxxH and 0387x1xxxH SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 35: Figure 2.3 Front-Panel Drawings-Models 0387X0Xxx3 And 0387X1Xxx3

    Installation Relay Mounting Figure 2.3 Front-Panel Drawings–Models 0387x0xxx3 and 0387x1xxx3 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 36: Rear-Panel Connections

    WA03870YxxxA, where x designates wire sizes and length. You can find the model option table on the SEL website at http:// www.selinc.com. Refer to Figure 2.6 to make all Connectorized connections. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 37: Figure 2.4 Rear-Panel Drawings-Models 0387X0Xxxxx And 0387X1Xxxx2

    Installation Rear-Panel Connections Figure 2.4 Rear-Panel Drawings–Models 0387x0xxxxX and 0387x1xxxx2 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 38: Figure 2.5 Rear-Panel Drawings-Models 0387X1Xxxx4 And 0387X1Xxxx6

    Installation Rear-Panel Connections Figure 2.5 Rear-Panel Drawings–Models 0387x1xxxx4 and 0387x1xxxx6 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 39: Figure 2.6 Rear-Panel Drawings-Models 0387Xyxxxx6 And 0387Xyxxxx2

    Installation Rear-Panel Connections Figure 2.6 Rear-Panel Drawings–Models 0387xYxxxx6 and 0387xYxxxx2 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 40: Connections

    The control power circuitry is isolated from the frame ground. The 24/48 V power supply is polarity sensitive. Refer to Section 1: Introduction and Specifications for power supply voltage ranges. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 41: Figure 2.7 Standard Independent Output Contact Representation

    Section 7: Serial Port Communications and Commands for more control. serial port details. SERIAL PORT 1 is an EIA-485 protocol connection on the rear of the relay. SERIAL PORT 1 accepts a pluggable terminal block that supports Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 42: Table 2.1 Sel-387 Communication Cable Numbers

    SEL-2020 Communications Processor, SEL IDM, or satellite time clock. Connect the IRIG-B source to the relay through the connectors for serial SERIAL PORTS 1 or 2. Refer to the port pin definition of each port for the appropriate connection. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 43: Typical Ac/Dc Connections

    IBW2 ICW2 IAW3 IBW3 ICW3 IAW4 IBW4 ICW4 Neutral CT for REF Prot. (optional) SEL-387 (partial) Transformer Connections: YYDAC (Yy0d1) Current Transformer Connection: YYY Figure 2.8 Example AC Connections (Three-Winding Transformer) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 44: Figure 2.9 Example Dc Connections (Basic Version)

    52-1 52-2 52-3 TRIP FAIL 52-1 52-2 52-3 52-1 52-2 52-3 –DC –DC –DC –DC Remaining: 3 Inputs (IN104–IN106) 2 Outputs (OUT 106, OUT107) Figure 2.9 Example DC Connections (Basic Version) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 45: Circuit Board Configuration

    Step 10. Reenergize the relay by reconnecting wiring to rear-panel terminals + (Z25) and – (Z26). On Connectorized versions, replace the power connector at rear-panel terminals + (Z25) and – (Z26). Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 46: Main Board

    OUT107 and ALARM are different output contact types (one is an a and one is a b), they will be in opposite states (one is closed and one is open). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 47 SEL-387. Originally they were installed for developmental testing purposes but are not used in the production version of the relay. Jumpers must not be installed in any JMP5 position. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 48: Additional Interface Board

    Accessing the Relay Circuit Boards. order. Take precautions related to protection of components from damage due to electrostatic discharge (ESD). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 49 Board 2 and Interface Board 6 (Connectorized), respectively. The only difference between the two is the row of electronic components that form the interruption circuits of the high current interrupting contacts on Interface Board 6. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 50: Figure 2.10 Main Board Jumpers, Connections, And Battery Locations

    2.20 Installation Circuit Board Configuration Figure 2.10 Main Board Jumpers, Connections, and Battery Locations SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 51: Figure 2.11 Interface Board 2 Component Layout (Conventional Terminal Block)

    Installation 2.21 Circuit Board Configuration Figure 2.11 Interface Board 2 Component Layout (Conventional Terminal Block) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 52: Figure 2.12 Interface Board 4 Component Layout (Conventional Terminal Block)

    2.22 Installation Circuit Board Configuration Figure 2.12 Interface Board 4 Component Layout (Conventional Terminal Block) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 53: Figure 2.13 Interface Board 6 Component Layout (Conventional Terminal Block)

    Installation 2.23 Circuit Board Configuration Figure 2.13 Interface Board 6 Component Layout (Conventional Terminal Block) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 54: Figure 2.14 Interface Board 2 Component Layout (Connectorized)

    2.24 Installation Circuit Board Configuration Figure 2.14 Interface Board 2 Component Layout (Connectorized) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 55: Figure 2.15 Interface Board 6 Component Layout (Connectorized)

    Installation 2.25 Circuit Board Configuration Figure 2.15 Interface Board 6 Component Layout (Connectorized) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 56 This page intentionally left blank...

  • Page 57: Section 3: Differential, Restricted Earth Fault, Thermal, And Overcurrent Elements

    (REF), thermal, and overcurrent protection elements. The section also contains application guidelines for the differential and thermal elements and setting calculation information for the differential elements and restricted earth fault elements. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 58: Differential Element

    CT ratio mismatches, CT ratio errors, CT saturation, and errors because of tap changing. All relays but the SEL-387-0 Relay offer the choice between harmonic blocking and harmonic restraint to secure relay stability during transformer inrush conditions. Even-numbered harmonics (second and fourth), augmented by dc blocking provide security during energization, while fifth harmonic blocking provides security for overexcitation conditions.

  • Page 59: Figure 3.2 Winding 1 Compensated Currents

    Differential Element Four digital band-pass filters extract the fundamental, second, fourth (all but SEL-387-0), and fifth (not shown) harmonics of the input currents. A dc filter (not shown) forms one cycle sums of the positive and negative values. Using the transformer MVA rating as a common reference point, TAP scaling...

  • Page 60: Figure 3.3 Differential Element (87-1) Quantities (Sel-387-0)

    I1W3C1 E87W4 I1W4C1 ⏐I1W1C1⏐ ⏐I1W2C1⏐ Σ ÷2 IRT1 ⏐I1W3C1⏐ ⏐I1W4C1⏐ E87W1 I1W1C2 E87W2 I1W2C2 Σ E87W3 ⏐ΣI1W n C2⏐ 100/PCT2 I1HB2 I1W3C2 E87W4 I1W4C2 Figure 3.3 Differential Element (87-1) Quantities (SEL-387-0) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 61: Figure 3.4 Differential Element (87-1) Quantities (All But Sel-387-0)

    Figure 3.1. Set HRSTR =Y (harmonic restraint, all but SEL-387-0) to modify this characteristic as a function of the second- and fourth-harmonic content in the input currents. In element 87Rn, for example, the IOPn and IRTn quantities determine whether the relay trips.

  • Page 62: Figure 3.5 Differential Element Decision Logic

    87U2 87U3 Figure 3.5 Differential Element Decision Logic Harmonic Restraint (All But SEL-387-0) Consider the harmonic restraint feature (HRSTR = Y) if your practices require independent harmonic restraint. This feature automatically disables common harmonic blocking (IHBL = Y). It also disables second- and fourth-harmonic...
  • Page 63 87R Relay Word bit asserts and tripping can take place. In other words, with IHBL = N, blocking within ANY differential element will prevent operation and tripping of ALL the restrained differential elements. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 64: Figure 3.6 Differential Element Harmonic Blocking Logic

    Figure 3.7 (SEL-387-0) and Figure 3.8 (all but SEL-387-0) show how the 87BL1 blocking element will pick up if the second-, fourth-, or fifth-harmonic operating current, as a percentage of fundamental operating current, is above the 2PCT, 4PCT, or 5PCT setting threshold, respectively. The blocking...

  • Page 65: Figure 3.7 Differential Element (87Bl1) Blocking Logic (Sel-387-0)

    4HB1 4HB2 4HBL 4HB3 Figure 3.8 Differential Element (87BL1) Blocking Logic (All But SEL-387-0) DC Ratio Blocking (All But SEL-387-0) Figure 3.9 shows the dc blocking logic for Differential Element 1. Elements DCBL1, DCBL2, and DCBL3 are combined to form element DCBL as shown...

  • Page 66: Setting Descriptions

    For all relays but the SEL-387-0, selecting Y1 makes the fourth-harmonic (PCT4), dc ratio blocking (DCRB), and harmonic restraint (HRSTR) settings available. This is the only difference between Y and Y1 selection.
  • Page 67 “TAPn” values. You can also directly enter tap values. Set MVA = OFF, and enter the TAP1 through TAP4 values directly, along with the other pertinent settings. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 68 You can set the relay to block the percentage restrained differential element if the ratio of second-harmonic current to fundamental current (IF2/IF1) is greater than the PCT2 setting. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 69 (All But SEL-387-0) Range: OFF, 5–100%, in 1% steps For all relays but the SEL-387-0, set E87Wx = Y1 to make the fourth- harmonic (PCT4), dc ratio blocking (DCRB), and harmonic restraint (HRSTR) settings available. Energization of a transformer causes a temporary large flow of magnetizing inrush current into one terminal of a transformer, without other terminals seeing this current.
  • Page 70 DC Ratio Blocking (DCRB) (All But SEL-387-0) For all relays but the SEL-387-0, set E87Wx = Y1 to make the fourth- harmonic (PCT4), dc ratio blocking (DCRB), and harmonic restraint (HRSTR) settings available. Some magnetizing inrush cases contain very little harmonic content but contain a dc offset.
  • Page 71 Common Harmonic Blocking is more secure but may slightly delay percentage differential element operation because harmonics in all three phases must drop below the thresholds for the three phases. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 72: Temperature Measurement (Sel-387-5 And Sel-387-6 Relays)

    Setting 49A01A °F–32° 101°F–32° --------------------------------------------------------- ------------------------- - 38.3°C internal relay processing temperature, rounded to 38°C Equation 3.3 38°C • 1.8 + 32° = 100.4°F = 100°F reported temperature, rounded to 100°F. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 73: Setting Calculation

    If a balanced set of currents with ACB phase rotation undergoes the same exercise, the rotations by the [CTC(m)] matrices are in the clockwise direction. This is because the compensation matrices, when performing phasor Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 74 Thus, for WnCTC = 11, the relay uses the following [CTC(m)] matrix: 1 0 –1 ------ - CTC 11 • –1 1 0 0 –1 1 Equation 3.8 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 75: Table 3.1 The Complete List Of Compensation Matrices (M = 1 To 12)

    –1 0 1 – 2 1 1 CTC 5 ( ) CTC 6 ( ) ------ - -- - • 1 –1 0 • 1 –2 1 0 1 –1 1 1 –2 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 76: Figure 3.10 Winding Connections, Phase Shifts, And Compensation Direction

    Winding Connection Review Figure 3.10 shows the three basic winding connections, consisting of a wye connection and the two possible delta connections. Figure 3.10 Winding Connections, Phase Shifts, and Compensation Direction SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 77 Step 3. Select any one of the adjusted terminal-A directions from Step 2 to serve as the reference direction. (The relay compensates all other windings to line up with this reference.) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 78: Figure 3.11 Example 1 For Wnctc Selection

    The 115 kV delta primary and the 24.9 kV grounded-wye secondary, taken by themselves, represent a traditional "DABY" two-winding application. This application has wye CTs on the delta side and delta SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 79 CTs. The 12.47 kV winding is another wye-connected winding, but with delta-connected CTs. The CTs connect in a DAC delta rather than DAB. However, this poses no problem for the relay. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 80: Figure 3.12 Example 2 For Wnctc Selection

    W2CTC = 7 as the setting. Similarly for Winding 3, we need an adjustment of five "hours," so we choose W3CTC = 5 as the setting. The process is almost complete, except for a final check. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 81 , when multiplied by the smallest of TAP1 through TAP4. Stated another way, • ≥ ----------------------- - O87P Equation 3.13 Restraint Slope Percentage Example: The current transformer error, e, is equal to ±10 percent. In per unit: e = 0.1 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 82 7 percent. For example, the additional fundamental SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 83 “dilute” the level of second harmonic seen at the primary to less than 15 percent. Fourth-Harmonic Blocking (All But SEL-387-0 Relay) Transformer magnetizing inrush currents are generated during transformer energization when the current contains a dc offset due to point-on-wave switching.
  • Page 84 We achieve the same effect within the relay by using the selected compensation. The settings are: Y (choose to define the CT compensation) ICOM = W1CTC = SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 85 Step 6. Set the differential element characteristic. Select the settings according to our suggestions in the earlier setting descriptions. For this example, we have selected a two slope, variable-percentage differential characteristic for Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 86: Application Guideline

    Such sizing requires CTs with C voltage ratings greater than (1 + X/R) times the burden voltage for the maximum symmetrical fault current, where X/R is the reactance-to-resistance ratio of the primary system. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 87 Note that the effective C voltage rating of a CT is lower than the nameplate rating if a tap other than the maximum is used. Derate the CT C voltage rating by a factor of ratio used/ratio max. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 88: Restricted Earth Fault Element

    50GP pickup value. If the sum is greater than the pickup level, Relay Word bit 50GC asserts. This bit indicates that the winding currents are present in sufficient magnitude. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 89: Figure 3.13 Ref Enable/Block Logic

    The relay enables the 32I directional element if the output of the AND gate at left-center in Figure 3.14 asserts. This will occur if the two Relay Word bits 32IE and 50GC assert. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 90: Figure 3.15 Ref Protection Output (Extremely Inverse-Time O/C)

    32IF deasserts. When the curve times out, Relay Word bit REFP asserts. You can use this bit directly as an input to the appropriate trip variables, TRn, to trip the breaker or breakers that feed the fault. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 91: Setting Descriptions

    Determine criterion 1 for load imbalance. The second criterion relates to the relative sensitivity of the winding CTs compared to the neutral CT. Setting Calculation Operating Quantity Figure 3.16 depicts how to determine the Operate quantity, 32IOP, setting. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 92: Figure 3.16 Ref Function, 32Iop Setting Guide

    CTs at the line end. You would also have to connect these CTs to winding inputs 1 and 2. Such a connection would be SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 93 . The relay then will prompt you for a new Out of Range setting. The relay stores a default setting for the Residual Current Sensitivity Threshold of 5OGP = 0.5 A. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 94: Thermal Element (Sel-387-6 Relay)

    The thermal element operates in one of three modes, depending upon the presence or lack of measured temperature inputs: ➤ Measured ambient and top-oil temperature inputs ➤ Measured ambient temperature only SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 95: Figure 3.18 Top-Oil And Hot-Spot Temperatures

    ∆t – ⎛ ⎞ ------------------- - ⎜ ⎟ • ∆Θ ∆Θ ∆Θ ∆Θ – • – ⎜ ⎟ H i , H i , ⎝ ⎠ Equation 3.23 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 96 °C, and is a function of load and the values in Table 3.3 ∆Θ = initial top-oil rise over ambient temperature at the start TO,i time of the interval, °C (∆Θ TO,i = thermal top-oil time constant of transformer, in hours SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 97 Top-Oil Temperature Comparison to Indicate Cooling System Efficiency With measured top-oil temperatures available, top-oil temperatures are also calculated using measured currents and the two results compared. If the measured top-oil temperature exceeds the calculated top-oil temperature by a Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 98 The equivalent life at the reference hot-spot temperature (95ºC or 110ºC) that will be consumed in a given time period for a given temperature cycle is: SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 99 Estimated time to assert TLL bit: TLOLL TLOL – ------------------------------------------ TLLt • RLOL Equation 3.39 where: TLLt = estimated time to assert total loss-of-life alarm, in hours TLOLL = total loss-of-life limit setting Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 100: Setting Descriptions

    Set XTYPE to either 3 (three-phase core and coil assembly in one physical enclosure) or 1 (three physically separate single-phase transformers connected externally). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 101 The MVA rating for all types of transformers (XTYPE = 1 or 3) is taken as the NOTE: x designates the transformer and y designates the cooling stage. nameplate MVA (MVA) rating and the line-to-line kilovolt (kV) values. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 102: Table 3.2 Examples Of Cooling Stages And Mva Ratings

    For example, wire a “52b” (normally closed) circuit breaker auxiliary contact to input IN101 and enter the SEL control equation TRDE OGIC = IN101. When IN101 asserts (circuit breaker main contacts open and the 52b SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 103 This setting assigns the selected temperature input to the top oil 2 temperature variable in the SEL-387-6 thermal model. Use this setting for two of three top oil inputs for single tank and single phase transformers. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 104 FAAL1 and FAAL2 determine limits for the aging acceleration factor. If the aging acceleration factor exceeds the limits, the FAA1 or FAA2 bit asserts. Using SEL control equations, you can configure these bits to close alarm OGIC contacts. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 105 With XTYPE = 1 and cooling system efficiency being calculated for each of the three single-phase transformers, the CSE bit is set when any of the three values exceeds the limit. The thermal report will show which transformer was above the setting. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 106: Table 3.3 Default Transformer Constants

    You can select other values from within a range of 0 to 100000. The thermal element uses this constant to calculate the transformer insulation aging acceleration factor (FAA). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 107 C = transformer thermal capacity (watt-hours/degree) = 0.06 • (weight of core and coil assembly in pounds) + 0.04 • (weight of tank and fitting in pounds) + 1.33 • (gallons of oil) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 108: Application Guideline, Using The Sel-2030 To Send Temperature Data To The Sel-387-6

    Please refer to SEL Application Guide 2000-07, Connection and Configuration of an SEL Communications Processor and SEL-2600A to Obtain Measured Ambient and Top-Oil Temperatures for SEL-387-6 Relay SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 109: Figure 3.19 Example System Block Diagram

    SEL-387-6. Power Transformer Temperature Inputs SEL-2600A or PLC ® Modbus , SEL Fast Messaging, or ASCII protocol Communications Processor Station Computer SEL Fast Messaging SEL-387-6 Figure 3.19 Example System Block Diagram Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 110: Overcurrent Element

    Winding 1 50N11 50N12 51N1 Winding 2 50N21 50N22 51N2 Winding 3 50N31 50N32 51N3 Winding 4 50N41 50N42 51N4 Combined (Windings 1 and 2) 51NC1 Combined (Windings 3 and 4) 51NC2 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 111: Figure 3.20 50Pn1 Phase Definite-Time O/C Element, Torque Controlled

    Relay Word bit, 50An3(4), 50Bn3(4), or 50Cn3(4). These bits enter an OR gate to assert Relay Word bit 50Pn3(4), indicating “any phase” pickup. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 112: Figure 3.22 50Pn3 And 50Pn4 Phase Instantaneous O/C Element, Nontorque Controlled

    Level 2 serial port command RES or the front-panel RESET51 function under the {OTHER} pushbutton to force this bit to logical 1 during element testing. This saves time if you have chosen electromechanical reset. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 113: Figure 3.24 50Qn1 And 50Nn1 Sequence Definite-Time O/C Element, Torque Controlled

    50Qn2 – 50Qn2P (50Nn2P) (50Nn2) 51Qn2TC (50Nn2TC) (n = Winding 1, 2, 3, or 4) (SEL control OGIC equation TRUE) Figure 3.25 50Qn2 and 50Nn2 Sequence Instantaneous O/C Element, Torque Controlled Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 114: Figure 3.26 51Qn And 51Nn Sequence Inverse-Time O/C Element, Torque Controlled

    You can use the Level 2 serial port command RES or the front-panel RESET51 function under the {OTHER} pushbutton to force the bit to a logical 1 during element testing. This saves time if you have chosen electromechanical reset. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 115 The combined overcurrent elements operate on summed input currents to two windings. Elements 51PC1 and 51NC1 use phase and residual current from Windings 1 and 2, while 51PC2 and 51NC2 use these currents from Windings 3 and 4; see Figure 3.27. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 116: Figure 3.27 Combined Overcurrent Example

    Combination:Windings 3 and 4 CT Equivalent 3 and 4 Figure 3.27 Combined Overcurrent Example 51PC1 and 51NC1 Element Figure 3.28 shows the logic for the inverse-time combined overcurrent elements, 51PC1 and 51NC1. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 117: Figure 3.28 51Pc1 And 51Nc1 Combined Inverse-Time O/C Elements

    = Phase A, Phase B, or Phase C. Then, converting the observed primary values to secondary values, we have 2000 A 1000 A ----------------- ----------------- 7.5 A combined secondary current Equation 3.43 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 118 51NC1P pickup setting. This pickup setting is a secondary quantity that the relay calculates by dividing the primary current pickup by the greater of the two CT ratios. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 119 51NC1 does not assert. For CTR1>CTR2, the relay performs the following operation on the secondary quantities it receives from the CTs: CTR2 -------------- - IAW1 IBW1 ICW1 IAW2 IBW2 ICW2 • CTR1 Equation 3.51 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 120 51NC1RS. At the completion of the reset, Relay Word bit 51NC1R asserts. This bit normally will be at logic state 1, when the element is at rest during normal system operation. You can verify the state of the bit using the SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 121: Setting Descriptions

    Winding 1. The operation is identical for the other three windings. The relay default is for Winding 1–3 overcurrent elements and demand thresholds to be enabled, while Winding 4 overcurrent elements and demand thresholds are disabled (EOC4 = N). Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 122 = 1: W1 + W2; The time-dial setting acts to scale an inverse-time curve vertically, to vary the m = 2: W3 + W4. output timing for a given multiple of pickup. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 123: Application Guidelines

    Where the SEL-387 is applied to a distribution substation transformer serving load centers, expected load conditions include steady-state load as well as transient conditions caused by hot and cold load pickup. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 124 For this reason, select an element pickup setting above the maximum 3I current expected as a result of load unbalance. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 125 Select the element curve and time-dial settings individually to coordinate with downstream phase, negative-sequence, and residual time-overcurrent elements. Refer to the time-overcurrent equations and curves at the end of this section for the specific time-overcurrent characteristic equations. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 126 To enable the element with an external contact input IN104, set 51PTC = IN104. To block the element with this same input, set 51PTC = !IN104 (i.e., NOT IN104). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 127 U2 inverse curve, with electromechanical reset. Tripping is for the 13.8 kV Breaker 3. The 50P33 and 50P34 phase instantaneous elements are used for supervision, set at 0.5 A and 4 A. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 128: Time-Overcurrent Curves

    ⎞ 47.3 ------------- - • ---------------- • C2 (Very Inverse) Figure 3.36 ⎝ ⎠ – – ⎛ ⎞ ---------------- • ---------------- • C3 (Extremely Inverse) ⎝ ⎠ Figure 3.37 – – SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 129: Figure 3.30 U. S. Moderately Inverse Curve: U1

    2.00 15 (12.5) 1.00 6 (5) 0.50 3 (2.5) .5 .6 .7 .8 .9 1 5 6 7 8 9 Multiples of Pickup Figure 3.30 U. S. Moderately Inverse Curve: U1 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 130: Figure 3.31 U.s. Inverse Curve: U2

    30 (25) 2.00 15 (12.5) 1.00 6 (5) 0.50 3 (2.5) .5 .6 .7 .8 .9 1 5 6 7 8 9 Multiples of Pickup Figure 3.31 U.S. Inverse Curve: U2 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 131: Figure 3.32 U.s. Very Inverse Curve: U3

    3.00 15 (12.5) 2.00 1.00 6 (5) 0.50 3 (2.5) .5 .6 .7 .8 .9 1 5 6 7 8 9 Multiples of Pickup Figure 3.32 U.S. Very Inverse Curve: U3 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 132: Figure 3.33 U.s. Extremely Inverse Curve: U4

    15 (12.5) 5.00 4.00 3.00 6 (5) 2.00 3 (2.5) 1.00 0.50 .5 .6 .7 .8 .9 1 6 7 8 9 Multiples of Pickup Figure 3.33 U.S. Extremely Inverse Curve: U4 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 133: Figure 3.34 U.s. Short-Time Inverse Curve: U5

    6.00 5.00 15 (12.5) 4.00 3.00 2.00 6 (5) 1.00 3 (2.5) 0.50 .5 .6 .7 .8 6 7 8 9 Multiples of Pickup Figure 3.34 U.S. Short-Time Inverse Curve: U5 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 134: Figure 3.35 I.e.c. Class A Curve (Standard Inverse): C1

    15 (12.5) 0.10 6 (5) 0.05 3 (2.5) .5 .6 .7 .8 .9 1 5 6 7 8 9 Multiples of Pickup Figure 3.35 I.E.C. Class A Curve (Standard Inverse): C1 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 135: Figure 3.36 I.e.c. Class B Curve (Very Inverse): C2

    0.40 0.30 6 (5) 0.20 3 (2.5) 0.10 0.05 .5 .6 .7 .8 .9 1 6 7 8 9 Multiples of Pickup Figure 3.36 I.E.C. Class B Curve (Very Inverse): C2 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 136: Figure 3.37 I.e.c. Class C Curve (Extremely Inverse): C3

    0.60 3 (2.5) 0.50 0.40 0.30 0.20 0.10 0.05 .5 .6 .7 .8 .9 1 6 7 8 9 Multiples of Pickup Figure 3.37 I.E.C. Class C Curve (Extremely Inverse): C3 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 137: Figure 3.38 I.e.c Long-Time Inverse Curve: C4

    600 (500) 300 (250) 1.00 0.90 0.80 0.70 150 (125) 0.60 0.50 0.40 0.30 60 (50) 0.20 30 (25) 0.10 0.05 Multiples of Pickup Figure 3.38 I.E.C Long-Time Inverse Curve: C4 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 138: Figure 3.39 I.e.c. Short-Time Inverse Curve: C5

    0.60 0.50 0.40 0.30 6 (5) 0.20 3 (2.5) 0.10 0.05 .5 .6 .7 .8 .9 5 6 7 8 9 Multiples of Pickup Figure 3.39 I.E.C. Short-Time Inverse Curve: C5 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 139: Section 4: Control Logic

    A complete listing of the Relay Word and explanation of the bit names are included at the end of this section, along with a discussion of SEL control equations in general. OGIC Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 140: Optoisolated Inputs

    Input IN101 may also be used in other SEL control equations. Any OGIC equation that requires information on the open or closed status of Breaker 1 would use the IN101 Relay Word bit as this indication. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 141: Local Control Switches (All But Sel-387-0 Relay)

    Control Logic Local Control Switches (All But SEL-387-0 Relay) Local Control Switches (All But SEL-387-0 Relay) The local control switch feature of this relay replaces traditional panel- mounted control switches. Operate the 16 local control switches using the front-panel keyboard/display (see Section 8: Front-Panel Interface).

  • Page 142: Remote Control Switches

    Active Setting Group ON position (corresponding remote bit is still asserted to logical 1) after the Changed change. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 143 Remote Control Switches If settings are changed for a setting group other than the active setting group, there is no interruption of the remote bits (the relay is not momentarily disabled). Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 144: Multiple Setting Groups

    SSn (n = 1 to 6) is OGIC Control Equation TRUE (logical state 1), the relay is instructed to go to, or remain in, Setting Settings SS1 through Group n. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 145: Operation Of Serial Port Group Command And Front-Panel {Group} Pushbutton

    Previous SEL relays (e.g., SEL-321 Relay and SEL-251 Relay) have multiple settings groups controlled by the assertion of three optoisolated inputs (e.g., Switching Example IN101, IN102, and IN103) in different combinations as shown in Table 4.2. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 146: Table 4.2 Active Setting Group Switching Input Logic

    4.3, as the selector switch is moved from one position to another, a different setting group is activated. The logic in Table 4.2 is implemented in the SEL control equation settings in Table 4.3. OGIC SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 147: Chsg Relay Word Bit Asserts During Setting Group Changes

    (in this case minimizes) the amount of time to block TR4, since CHSG asserts exactly when the change of groups is needed, and deasserts exactly when the change has taken place. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 148: Active Setting Group Retained For Power Loss, Settings Change

    Settings SS1 through SS6 cannot result in continuous cyclical changing of the active setting group. Time setting TGR qualifies settings SS1 through SS6 before changing the active setting group. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 149: Sel Ogic Control Equation Sets (1 Through 3) Variables

    Control Latch Control Switches OGIC Timers Equation Set (Latch Bits) Table 4.5 SEL Control Equation Variables (All But SEL-387-0 Relay) OGIC SELOGIC Control Latch Control Switches Timers Equation Set (Latch Bits) The format of the setting names for these variables is as follows:...

  • Page 150: Variables/Timers

    Pulse the reset input to open (“reset”) the latching relay output contact. Often the external contacts wired to the latching relay inputs are from remote control equipment (e.g., SCADA, RTU, etc.). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 151: Figure 4.4 Traditional Latching Relay

    An average of 70 latch bit changes per day can be made for a 25-year relay The net effect is that the latch bits in the SEL-387 behave exactly like service life. traditional latching relays. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 152: Output Contacts

    JMP23 in the left position on the main board. OUT107 then will not respond to Relay Word bit OUT107. The OUT107 contact configuration can be set as a or b, as noted above. See Section 2: Installation for more information. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 153 0. When NOTALM is zero, the ALARM output contact coil is de- energized momentarily and the b contact falls closed. The ALARM contact also drops closed when a loss of power occurs. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 154: Rotating Default Display

    The rotating default display on the relay front panel replaces indicating panel lights. Traditional indicating panel lights are turned on and off by circuit breaker auxiliary contacts, front-panel switches, SCADA contacts, etc. See Section 8: Front-Panel Interface for details. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 155: Led Targeting Logic

    Winding 3 overcurrent asserted at, or 1 cycle after, rising edge of trip Winding 4 overcurrent asserted at, or 1 cycle after, rising edge of trip Indicates nonvolatile targets. The operation of each LED is discussed in the following paragraphs. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 156: Led 1 - En - Relay Enabled

    Relay Word bits “51**(*)T,” which include the four combined overcurrent elements, as well as the REFP bit indicating time-out of the Restricted Earth Fault inverse-time curve. LED 8 remains lit SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 157: Led 4 - 87-1 - Differential Element

    TRGTR element. TRGTR is asserted for one cycle either via the {TARGET RESET} pushbutton on the front panel or via the serial port command TAR R. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 158: Led 13 - W1 - Winding 1 Overcurrent Element Operation

    Winding 4 overcurrent elements. LED 16 remains lit until reset by the TRGTR element. TRGTR is asserted for one cycle either via the {TARGET Operation RESET} pushbutton on the front panel or via the serial port command TAR R. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 159: Trip And Close Logic

    Group setting TDURD (minimum trip duration timer). Once the rising edge has been detected and the timing started, the ongoing state of the TR1 input to the timer is ignored. Thus, TRIP1 will be asserted for a Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 160: Close Logic

    Figure 4.8 shows the logic diagram for the CLS1 logic. The remaining logic for CLS2 through CLS4 is identical, using variables CL2 through CL4 and ULCL2 through ULCL4, respectively. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 161: Figure 4.8 Sel-387 Close Logic (Cls1)

    52A1 asserts and unlatches the close logic, deasserting CLS1 and opening OUT105. The close process is now complete. (Presumably, interruption of the current in the closing circuit has been accomplished via a breaker 52b contact, and not by OUT105.) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 162 The CFT1 bit might also be used to set a SEL control equation Latch Bit to close a contact, informing OGIC a SCADA system of the aborted closure attempt. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 163: Sel Ogic Control Equations

    Table 4.7 lists these Operators operators in order of processing. Table 4.7 SEL Control Equation Operators OGIC Operator Logic Function parentheses NOT (negation) rising edge detect falling edge detect Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 164: Ways Of Setting Sel Ogic Control Equation Relay Settings

    We could set 51P1TC to a single Relay Word bit. For example, 51P1TC = IN105. This might be used for torque controlling by a contact input from some external device like a directional relay. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 165: Limitations Of Sel Ogic Control Equations

    OGIC Global or Group n checksum (GBLCHK or GRnCHK) is yyyy. The relay provides use and checksum results for the GLOBAL and GROUP n settings. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 166 Group Setting Class Global Setting Class Relay Word bits per Equation Relay Word bits per Setting Class Equations per Setting Class (with two 16-output interface boards) Rising- or Falling-Edge Operators per Setting Class SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 167: Relay Word Bits

    IN207 IN206 IN205 IN204 IN203 IN202 IN201 IN216 IN215 IN214 IN213 IN212 IN211 IN210 IN209 IN308 IN307 IN306 IN305 IN304 IN303 IN302 IN301 IN316 IN315 IN314 IN313 IN312 IN311 IN310 IN309 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 168: Table 4.10 Relay Word Bit Definitions

    Winding 1 phase instantaneous O/C Level 2 element picked up 51P1 Winding 1 phase inverse-time O/C element picked up 51P1T Winding 1 phase inverse-time O/C element timed out 51P1R Winding 1 phase inverse-time O/C 51P1 element is reset SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 169 Winding 2 C-phase instantaneous O/C Level 3 element picked up 50P23 50A23 + 50B23 + 50C23 50A24 Winding 2 A-phase instantaneous O/C Level 4 element picked up 50B24 Winding 2 B-phase instantaneous O/C Level 4 element picked up Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 170 Winding 3 residual instantaneous O/C Level 2 element picked up 51N3 Winding 3 residual inverse-time O/C element picked up 51N3T Winding 3 residual inverse-time O/C element timed out 51N3R Winding 3 residual inverse-time O/C 51N3 element is reset SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 171 Winding 4 neg.-seq. instantaneous O/C Level 2 element picked up 51Q4 Winding 4 neg.-seq. inverse-time O/C element picked up 51Q4T Winding 4 neg.-seq. inverse-time O/C element timed out 51Q4R Winding 4 neg.-seq. inverse-time O/C 51Q4 element is reset Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 172 Windings 1 and 2 residual inverse-time O/C element picked up 51NC1T Windings 1 and 2 residual inverse-time O/C element timed out 51NC1R Windings 1 and 2 residual inverse-time O/C element is reset SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 173 COMFLG Asserted when communications fail or when out-of-range temperature data are received on the serial port used to obtain temperature data (SEL-387-6 Relay only) 4HBL Fourth-harmonic block asserted (all but SEL-387-0 Relay) DCBL DC block asserted (all but SEL-387-0 Relay) IN106...
  • Page 174 S1V4 timer input asserted OGIC S1V1T Set 1 SEL control equation variable S1V1 timer output OGIC asserted S1V2T Set 1 SEL control equation variable S1V2 timer output OGIC asserted SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 175 Set 1 latch bit S1LT2 asserted S1LT3 Set 1 latch bit S1LT3 asserted S1LT4 Set 1 latch bit S1LT4 asserted S2LT1 Set 2 latch bit S2LT1 asserted S2LT2 Set 2 latch bit S2LT2 asserted Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 176 Set 2 latch bit S2LT3 asserted S2LT4 Set 2 latch bit S2LT4 asserted S3LT1 Set 3 latch bit S3LT1 asserted (all but SEL-387-0 Relay) S3LT2 Set 3 latch bit S3LT2 asserted (all but SEL-387-0 Relay) S3LT3 Set 3 latch bit S3LT3 asserted (all but SEL-387-0 Relay)
  • Page 177 Output OUT214 asserted Output OUT215 asserted OUT215 OUT216 Output OUT216 asserted OUT301 Output OUT301 asserted Output OUT302 asserted OUT302 OUT303 Output OUT303 asserted OUT304 Output OUT304 asserted Output OUT305 asserted OUT305 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 178 Output OUT315 asserted OUT315 Output OUT316 asserted OUT316 Local Bit 1 asserted (all but SEL-387-0 Relay) Local Bit 2 asserted (all but SEL-387-0 Relay) Local Bit 3 asserted (all but SEL-387-0 Relay) Local Bit 4 asserted (all but SEL-387-0 Relay)
  • Page 179 RTDA (SEL-387-5 and SEL-387-6 Relays) RTDINA State of external RTDA module’s digital input (SEL-387-5 and SEL-387-6 Relays) COMFLB Asserts when communications fails or when out-of-range temperature data received from RTDB (SEL-387-5 and SEL-387-6 Relays) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 180: Table 4.11 Relay Word Bits Sorted Alphabetically

    (SEL-387-5 and SEL-387-6 Relays) 49A11A RTD11A alarm picked up (SEL-387-5 and SEL-387-6 Relays) 49A11B RTD11B alarm picked up (SEL-387-5 and SEL-387-6 Relays) 49A12A RTD12A alarm picked up (SEL-387-5 and SEL-387-6 Relays) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 181 49T12A RTD12A trip picked up (SEL-387-5 and SEL-387-6 Relays) 49T12B RTD12B trip picked up (SEL-387-5 and SEL-387-6 Relays) 4HBL Fourth-harmonic element asserted (all but SEL-387-0 Relay) 50A13 Winding 1 A-phase instantaneous O/C Level 3 element picked up 50A14 Winding 1 A-phase instantaneous...
  • Page 182 Winding 2 residual definite-time O/C Level 1 element timed out 50N22 Winding 2 residual instantaneous O/C Level 2 element picked up 50N31 Winding 3 residual definite-time O/C Level 1 element picked up SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 183 Winding 2 neg.-seq. definite-time O/C Level 1 element picked up 50Q21T Winding 2 neg.-seq. definite-time O/C Level 1 element timed out 50Q22 Winding 2 neg.-seq. instantaneous O/C Level 2 element picked up Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 184 Winding 3 phase inverse-time O/C element timed out 51P4 Winding 4 phase inverse-time O/C element picked up 51P4R Winding 4 phase inverse-time O/C 51P4 element is reset 51P4T Winding 4 phase inverse-time O/C element timed out SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 185 Restrained differential element 3 picked up Unrestrained differential element picked up 87U1 Unrestrained differential element 1 picked up 87U2 Unrestrained differential element 2 picked up 87U3 Unrestrained differential element 3 picked up Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 186 (SEL-387-6 Relay only) Cooling system efficiency alarm asserted (SEL-387-6 Relay only) Current transformer saturation DC battery voltage level 1 exceeded DC battery voltage level 2 exceeded SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 187 Table 4.11 Relay Word Bits Sorted Alphabetically (Sheet 8 of 13) Definition DC battery voltage level 3 exceeded DC battery voltage level 4 exceeded DCBL DC block asserted (all but SEL-387-0 Relay) FAA1 Insulation aging acceleration factor alarm level 1 asserted (SEL-387-6 Relay only) FAA2...
  • Page 188 Cumulative through-fault I t on a phase of a designated winding has exceeded the through-fault I threshold ISQT (SEL-387-5 and SEL-387-6 Relays only) Local Bit 1 asserted (all but SEL-387-0 Relay) LB10 Local Bit 10 asserted (all but SEL-387-0 Relay) LB11...
  • Page 189 Winding 3 phase demand current threshold exceeded PDEM4 Winding 4 phase demand current threshold exceeded QDEM1 Winding 1 neg.-seq. demand current threshold exceeded QDEM2 Winding 2 neg.-seq. demand current threshold exceeded Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 190 OGIC variable S1V3 timer output asserted S1V4 Set 1 SEL control equation OGIC variable S1V4 timer input asserted S1V4T Set 1 SEL control equation OGIC variable S1V4 timer output asserted SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 191 OGIC variable S2V4 timer output asserted S3LT1 Set 3 latch bit S3LT1 asserted (all but SEL-387-0 Relay) S3LT2 Set 3 latch bit S3LT2 asserted (all but SEL-387-0 Relay) S3LT3 Set 3 latch bit S3LT3 asserted (all but SEL-387-0 Relay)
  • Page 192 {TARGET RESET} pushbutton/TAR R command TRGTR TRIP1 Trip 1 logic asserted TRIP2 Trip 2 logic asserted TRIP3 Trip 3 logic asserted TRIP4 Trip 4 logic asserted TRIP5 Trip 5 logic asserted TRIPL Any trip asserted SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 193: Section 5: Metering And Monitoring

    Monitor function that keeps track of breaker trips, the cumulative current interrupted over time, and the amount of estimated contact wear. These functions and their associated reports are discussed in this section. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 194: Metering Functions

    1 to 32767, the report will be repeated m times in succession. In this mode subsequent reports are not generated until the previous report has been completely sent. The format for the MET report is as follows: SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 195: Demand Ammeter Function (Meter D Command)

    The demand ammeter output for a step change in current of S amperes is a smoothly rising exponential that produces a demand change of 0.9 times S at time DATCn after the step change occurred (see Figure 5.1). For example, if Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 196 87 1, 87 2, and 87 3. The “A-phase” currents Command) for each winding are compensated for CT and transformer winding connections, then divided by the tap value for each winding, and entered into SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 197: Phasor Current Metering Function (Meter Sec Command)

    1 to 32767, the report will be repeated m times in succession. In this mode, subsequent reports are not generated until the previous report has been completely sent. The format for the MET SEC report is as follows: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 198: Demand Reset Functions (Met Rd And Met Rp Commands)

    QDEMnP, and Relay Word bit QDEMn is set if the threshold is exceeded. Residual current demand is compared to NDEMnP, and Relay Word bit NDEMn is set if the threshold is exceeded. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 199: Harmonic Metering Function (Met H Command)

    0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 => The Analog Input Labels, , etc., will be listed as they are set in the Global IAW1 settings section of the relay. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 200: Temperature Measurement (Sel-387-5 And Sel-387-6 Relays)

    RTD 5B = 123 RTD 6B = 123 RTD 7B = 123 RTD 8B = 123 RTD 9B = 123 RTD 10B = 123 RTD 11B = 123 RTD 12B = 123 =>> SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 201: Station Dc Battery Monitor

    S1V2 = DC1 * !DC2 + DC3 * !DC4 Figure 5.2 Station DC Battery Monitor Alarm Logic FAIL DC4P WARN DC3P GOOD DC2P WARN DC1P FAIL Figure 5.3 Undervoltage and Overvoltage Warning and Alarm Regions Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 202: Detection Of Voltage Dips In Event Reports

    To trigger an event report, include these bits in the SEL OGIC control equation ER (event report trigger setting). Use the CEV command to retrieve a compressed event report containing the value of the station dc battery voltage during the event. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 203: Breaker Monitor

    Breaker 1 trip bus and asserts for any trip from any source. Setting BKMON1 = IN106 ensures that the monitor will initiate for any Breaker 1 trip. The internal comparison with TRIP1 is then made to sort out internal versus external trips. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 204: Breaker Wear Curve Description And Settings

    Breaker n, three points are input in the Global setting area as relay settings. The points are defined by pairs of coordinates of current and operations. For Breaker n, these are the points (BnKAP1, BnCOP1), (BnKAP2, BnCOP2), SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 205 For a particular value of I in kA, the calculated value O(I) represents 100 percent wear of the breaker contacts. Thus, the incremental percent wear for one trip operation at the defined current level is 100 / O(I) percent. For I < Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 206: Breaker Wear Example

    99,999.00 kA rms. Percent Wear never exceeds 100 percent. The accumulators can be reset by the serial port command BRE n R or via the {OTHER} front-panel pushbutton menu. The serial port report format is shown below. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 207 0.00 IBW4= 0.00 ICW4= 0.00 kA(pri) Percent Wear: POLE1= 0 POLE2= 0 POLE3= LAST BREAKER MONITOR RESET FOR Bkr1: 04/21/97 14:35:15.742 Bkr2: 04/21/97 14:35:15.821 Bkr3: 04/21/97 14:35:15.898 Bkr4: 04/21/97 14:35:15.975 ==>> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 208: Thermal Monitor (Sel-387-6 Relay)

    : 0.00 Time-Assert TLL (hours)..: 0.00 Thermal Event Report Quantities Thermal Element Conditions The load condition value can be Normal, Warning 1, Warning 2, or Warning 3. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 209: Table 5.1 Thermal Element Conditions

    The maximum value displayed is 3276°C. Aging Acceleration Factor The value displayed is the active insulation aging acceleration factor (FAA). The maximum value of FAA is clamped at 9999.0. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 210: Thermal Event Report Function (The N Command)

    Transformer 2, and Transformer 3. One-hour average winding hot-spot temperature ➤ One-hour average per-unit load current ➤ One-hour average insulation aging acceleration factor (FAA) The format for the THE H report is as follows: SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 211 0.48 0.00 0.00 Transformer 3 Max Calc Max Msd Date Ambient Top Oil Top Oil Hot Spot Max Load Max FAA RLOL TLOL 04/25/00 15.0 32.6 34.2 0.48 0.00 0.00 =>> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 212: Retrieving Thermal Data Reports

    (THE R, THE C, and archives (daily profile data, hourly profile data, and thermal event data) and THE P Commands) resets the total accumulated loss-of-life value to its preset value (if it exists) or zero. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 213 The command must be followed by a value between zero and 100 percent. This command initializes the total loss-of-life value to the preset value entered by the user, clears all the thermal archive data, and restarts the thermal element. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 214: Through-Fault Event Monitor

    IAW2, IBW2, and ICW2 (A-phase, B-phase, and C-phase, respectively) are monitored for maximum currents for through-fault events. Changing setting ETHRU resets/clears through-fault event information (see TFE C and TFE R command discussions that follow). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 215: Through-Fault Calculation

    If the above calculation were for the example in Figure 5.7, it would be a conservative calculation (i.e., the calculation would indicate more I t stress/ wear than actually occurred). This is because the current peaked momentarily. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 216: Through-Fault Alarm

    The TFE command just by itself (no parameters, as in the above example) can list as many as 20 through-fault events. To list all the stored through-fault events since the monitor was last reset, execute the TFE A command. To list a SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 217: Deriving Cumulative I T Values For Preloading

    I t value that can then be preloaded for that phase. Use the previously discussed TFE P command to preload the cumulative I t values for each phase. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 218: Magnitude Limits On Through-Fault Event Data

    I t calculations and cumulatively storing calculation results for each monitored phase. All these through-fault event data are stored in nonvolatile memory. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 219: Status Monitor

    40°C or greater than +85°C, it issues a warning. If the relay measures a temperature less than 50°C or greater than +100°C, it issues a failure. The temperature warning does not pulse the ALARM output contact. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 220: Ram

    –15 V Power Supply –14.40/–15.60 Vdc –14.00/–16.00 Vdc Temperature –40/+85°C –50/+100°C Cannot READ/WRITE Flash ROM Bad Checksum Slow Conversion Critical RAM Bad Checksum EEPROM Bad Checksum IO_BRD Incorrect Interface Board Value SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 221: Section 6: Setting The Relay

    View settings with the respective serial port SHOWSET commands (SHO, SHO G, SHO R, SHO P). See discussion of SHO (Show Group 1—6 Settings) on page 7.29. Settings Sheets are located at the end of this section. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 222: Settings Changes Via The Front Panel

    Port settings only. Thus, the corresponding Relay, Global, and Port settings sheets that follow in this section can also be used when making these settings via the front panel. Refer to Figure 8.8 for information on front-panel settings. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 223: Settings Changes Via The Serial Port

    6.1), the relay is not disabled while it saves the new settings. The ALARM contact closes momentarily (for a b contact, opens for an a) but the EN LED remains on while the new settings are saved. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 224: Additional Relay Settings

    The inputs appear as elements of SEL control equations. OGIC Examples of this are illustrated in Trip and Close Logic on page 6.5. These settings can be different in the six settings groups. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 225: Trip And Close Logic

    In the Close Logic setting area, inputs are defined to represent the 52a auxiliary contacts from the individual breakers. Defined as well are the four Close and four Unlatch Close variables, if the closing function is to be used. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 226 Winding 1 elements. Also, since tertiary circuits normally are short, probably only including the substation buses and auxiliary equipment, reports on faults of any kind would be of great interest. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 227: System Frequency (Nfreq) And Phase Rotation (Phrot)

    3 seconds. This function prevents the relay from jumping around from group to group in response to spurious fulfillment of the SS1 setting conditions and ensures that a request for change is real and justified. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 228: Dc Battery Monitor (Dc1P-Dc4P)

    A-phase was involved in an overcurrent trip or that differential element 1 issued a trip. The user can define any SEL control OGIC equation to operate these targets by programming LEDA, LEDB, or LEDC. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 229: Sequential Events Recorder

    ® ® standard communications program such as Microsoft Windows ® HyperTerminal Complete information on the communications ports and necessary settings can be found in Section 7: Serial Port Communications and Commands. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 230: Default Settings

    = 65 MCS11 = 100.0 DTMP = 15 TRDE NTHM = THM1 OIL1 = THM2 TOT1 = 100 TOT2 = 100 HST1 = 200 HST2 = 200 (Continued on next page) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 231: Default Settings (1

    =/50P11 + /51P1 + /51Q1 + /51P2 + /51Q2 + /51P3 OUT101 =TRIP1 OUT102 =TRIP2 OUT103 =TRIP3 OUT104 =TRIP4 Press RETURN to continue OUT105 =CLS1 OUT106 =CLS2 OUT107 =CLS3 SCEUSE 46.8 GR1CHK A577 =>> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 232 HST2 = 200 FAAL1 = 50.00 FAAL2 = 50.00 RLOLL = 50.00 TLOLL = 50.00 CSEP1 = 15 ILIFE = 180000 EDFTC TDURD = 9.000 = 60.000 (Continued on next page) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 233 46.8 GR1CHK A526 =>> The Group settings shown above are the only settings which are different from the 5 A relay settings. The Global, Port, and SER settings remain the same. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 234: Settings Sheets

    Group Settings (SET Command), followed by Global Settings (SET G Command), Sequential Events Recorder Settings (SET R Command), and Port Settings (SET P Command). ® You can download blank editable Microsoft Word setting sheets from the SEL website: http://www.selinc.com/ssheets.htm. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 235 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 1 of 38 Configuration Settings Group______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Configuration Settings Relay Identifier (39 Characters) Terminal Identifier (59 Characters) Enable Winding 1 in Differential Element (Y, N, Y1)
  • Page 236 2 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Differential Elements Group______________ Winding 1 CT Ratio (1–50000) CTR1 Winding 2 CT Ratio (1–50000) CTR2 Winding 3 CT Ratio (1–50000) CTR3 Winding 4 CT Ratio (1–50000) CTR4 Maximum Power Transformer Capacity (OFF, 0.2–5000 MVA)
  • Page 237 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 3 of 38 Restricted Earth Fault Group______________ Unrestrained Element Current PU ((1–20) multiple of tap) U87P Second-Harmonic Blocking Percentage (OFF, 5–100%) PCT2 Fourth-Harmonic Blocking Percentage (OFF, 5–100%) PCT4 (all but SEL-387-0 Relay) Fifth-Harmonic Blocking Percentage (OFF, 5–100%)
  • Page 238 4 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Winding 1 O/C Elements Group______________ Phase Inst. O/C Level 3 PU (OFF, 0.25–100.00 A secondary) (5 A) (OFF, 0.05–20.00 A secondary) (1 A) 50P13P Phase Inst. O/C Level 4 PU (OFF, 0.25–100.00 A secondary) (5 A)
  • Page 239 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 5 of 38 Winding 1 O/C Elements Group______________ Winding 1 Residual O/C Elements Residual Def.-Time O/C Level 1 PU (OFF, 0.25–100.00 A secondary) (5 A) (OFF, 0.05–20.00 A secondary) (1 A) 50N11P Residual Level 1 O/C Delay (0–16000 cycles)
  • Page 240 6 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Winding 2 O/C Elements Group______________ Winding 2 O/C Elements Winding 2 Phase O/C Elements Phase Def.-Time O/C Level 1 PU (OFF, 0.25–100.00 A secondary) (5 A) (OFF, 0.05–20.00 A secondary) (1 A)
  • Page 241 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 7 of 38 Winding 2 O/C Elements Group______________ Neg.-Seq. Inst. O/C Level 2 PU (OFF, 0.25–100.00 A secondary) (5 A) (OFF, 0.05–20.00 A secondary) (1 A) 50Q22P 50Q22 Torque Control (SEL...
  • Page 242 8 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Winding 3 O/C Elements Group______________ Winding 2 Demand Metering Demand Ammeter Time Constant (OFF, 5–255 min) DATC2 Phase Demand Ammeter Threshold (0.5–16.0 A secondary) (5 A) (0.1–3.2 A secondary) (1 A)
  • Page 243 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 9 of 38 Winding 3 O/C Elements Group______________ Phase Inv.-Time O/C Time-Dial 51P3TD (US 0.5–15.0, IEC 0.05–1.00) Phase Inv.-Time O/C EM Reset (Y, N) 51P3RS 51P3 Torque Control (SEL...
  • Page 244 10 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Winding 4 O/C Elements Group______________ Residual Inst. O/C Level 2 PU (OFF, 0.25–100.00 A secondary) (5 A) (OFF, 0.05–20.00 A secondary) (1 A) 50N32P 50N32 Torque Control (SEL...
  • Page 245 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 11 of 38 Winding 4 O/C Elements Group______________ Phase Inst. O/C Level 2 PU (OFF, 0.25–100.00 A secondary) (5 A) (OFF, 0.05–20.00 A secondary) (1 A) 50P42P 50P42 Torque Control SEL...
  • Page 246 12 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Winding 4 O/C Elements Group______________ Neg.-Seq. Inv.-Time O/C Time-Dial 51Q4TD (US 0.5–15.0, IEC 0.05–1.00) Neg.-Seq. Inv.-Time O/C EM Reset (Y, N) 51Q4RS 51Q4 Torque Control SEL...
  • Page 247 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 13 of 38 Combined O/C Elements Group______________ Residual Demand Ammeter Threshold (OFF, 0.5–16.0 A secondary) (5 A) (OFF, 0.1–3.2 A secondary) (1 A) NDEM4P Combined O/C Elements The combined overcurrent elements use a normalization factor that scales the secondary NOTE: current magnitude to the larger of the two winding CT ratios.
  • Page 248 14 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Thermal Element (SEL-387-6 Relay Only) Group______________ W3–W4 Residual O/C Element W3–W4 Residual Inv.-Time O/C PU (OFF, 0.5–16.0 A secondary) (5 A) (OFF, 0.1–3.2 A secondary) (1 A) 51NC2P* * Must be OFF if Restricted Earth Fault is used.
  • Page 249 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 15 of 38 Thermal Element (SEL-387-6 Relay Only) Group______________ Cooling Stage 3 (SEL control equation) OGIC CS23S Cooling Stage 3 (SEL control equation) OGIC CS33S Default Ambient Temp. –40–85ºC)
  • Page 250 16 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Thermal Element (SEL-387-6 Relay Only) Group______________ General Cooling System Constants Nominal Insulation Life (1000–999999 hr) ILIFE Enable Default Constants (Y/N) EDFTC Transformer 1 Hot-Spot Thermal Time Constant (0.01–2.00 hr) Ths1 Constant to Calc.
  • Page 251 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 17 of 38 Thermal Element (SEL-387-6 Relay Only) Group______________ Oil Thermal Time Constant (0.1–20.0 hr) OTR21 Oil Exponent (0.1–5) EXPn21 Winding Exponent (0.1–5) EXPm21 Cooling Stage 2 Constants Top-Oil Rise/Amb (0.1–100.0ºC)
  • Page 252 18 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ RTD A Elements (SEL-387-5 and SEL-387-6 Relays Only) Group______________ Cooling Stage 3 Constants Top-Oil Rise/Amb (0.1–100.0ºC) THor33 Hot-Spot Cond. Rise/Top Oil (0.1–100.0ºC) THgr33 Ratio Losses (0.0–100.0) RATL33 Oil Thermal Time Constant (0.1–20.0 hr)
  • Page 253 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 19 of 38 RTD B Elements (SEL-387-5 and SEL-387-6 Relays Only) Group______________ RTD B Elements (SEL-387-5 and SEL-387-6 Relays Only) RTD 1B Alarm Temperature (OFF, 32–482°F) 49A01B RTD 1B Trip Temperature (OFF, 32–482°F) 49T01B RTD 2B Alarm Temperature (OFF, 32–482°F)
  • Page 254 20 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Miscellaneous Timers Group______________ Miscellaneous Timers Minimum Trip Duration Time Delay (4–8000 cycles) TDURD Close Failure Logic Time Delay (OFF, 0–8000 cycles) Control Equations Set 1...
  • Page 255 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 21 of 38 Control Equations Set 2 Group______________ OGIC Set 1 Latch Bit 4 SET Input (SEL control equation) OGIC S1SLT4 Set 1 Latch Bit 4 RESET Input (SEL...
  • Page 256 22 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Control Equations Set 3 OGIC Group______________ Set 2 Latch Bit 4 SET Input (SEL control equation) OGIC S2SLT4 Set 2 Latch Bit 4 RESET Input (SEL...
  • Page 257 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 23 of 38 Control Equations Set 3 Group______________ OGIC S3V7 Timer Dropout (0–999999 cycles) S3V7DO Set 3 Variable 8 (SEL control equation) OGIC S3V8 S3V8 Timer Pickup (0–999999 cycles) S3V8PU S3V8 Timer Dropout (0–999999 cycles)
  • Page 258 24 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Date _______________ Trip Logic Group______________ Trip Logic ULTR1 ULTR2 ULTR3 ULTR4 ULTR5 Close Logic 52A1 52A2 52A3 52A4 ULCL1 ULCL2 ULCL3 ULCL4 Event Report Triggering Output Contact Logic (Standard Outputs)
  • Page 259 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) 25 of 38 Output Contact Logic (Extra Interface Board 2 or 6) Group______________ OUT106 OUT107 Output Contact Logic (Extra Interface Board 2 or 6) OUT201 OUT202 OUT203 OUT204...
  • Page 260 26 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Date________________ Relay Settings SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Relay Settings Length of Event Report (15, 30, 60 cycles) Length of Pre-fault in Event Report (1 to (LER-1))
  • Page 261 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) 27 of 38 Breaker 2 Monitor kA Interrupted Set Point 3 min (0.1–999.0 kA pri) B1KAP3 Breaker 2 Monitor BKR2 Trigger Equation (SELOGIC control equation) BKMON2 Close/Open Set Point 1 max (1–65000 operations) B2COP1 kA Interrupted Set Point 1 min (0.1–999.0 kA pri)
  • Page 262 28 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Date________________ Through-Fault Event Monitor (SEL-387-5 and SEL-387-6 Relays) Through-Fault Event Monitor (SEL-387-5 and SEL-387-6 Relays) Enable Through-Fault Event Winding (N, 1, 2, 3, 4) ETHRU Changing setting ETHRU resets/clears through-fault event information.
  • Page 263 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) 29 of 38 Setting Group Selection Setting Group Selection Select Setting Group 1 (SEL control equation) OGIC Select Setting Group 2 (SEL control equation) OGIC Select Setting Group 3 (SEL...
  • Page 264 30 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Date________________ Front Panel DP4 Label 1 (16 characters) (Enter NA to Null) DP4_1 DP4 Label 0 (16 characters) (Enter NA to Null) DP4_0 Show Display Point 5 (SEL...
  • Page 265 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) 31 of 38 Text Labels (All But SEL-387-0 Relay) Show Display Point 13 (SEL control equation) OGIC DP13 DP13 Label 1 (16 characters) (Enter NA to Null)
  • Page 266 32 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Date________________ Text Labels (All But SEL-387-0 Relay) Pulse Local Bit LB4 Label (7 characters) (Enter NA to Null) PLB4 Local Bit LB5 Name (14 characters) (Enter NA to Null)
  • Page 267 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) 33 of 38 Text Labels (All But SEL-387-0 Relay) Pulse Local Bit LB12 Label (7 characters) (Enter NA to Null) PLB12 Local Bit LB13 Name (14 characters) (Enter NA to Null)
  • Page 268 34 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Sequential Events Recorder Settings (SET R Command) Date________________ Trigger Conditions SEL-387-0, -5, -6 Relay Settings Sheet Sequential Events Recorder Settings (SET R Command) Trigger Conditions Trigger SER (24 Relay Word bits per SERn equation, 96 total)
  • Page 269 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) 35 of 38 Port 1 (SET P 1) Rear Panel, EIA-485 Plus IRIG-B SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) RTSCTS setting does not appear if PROTO = LMD or DNP. LMD PREFIX, ADDR, and SETTLE do NOTE: not appear if PROTO = SEL or DNP.
  • Page 270 36 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) Date________________ Port 3 (SET P 3) Rear Panel, EIA-232 Stop Bits (1, 2) STOP Time-out (for inactivity) (0–30 minutes) T_OUT Send auto messages to port (Y, N)
  • Page 271 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) 37 of 38 Port N (SET P N), EIA-232 for PROTO = RTDA Send auto messages to port (Y, N) AUTO Enable hardware handshaking (Y, N) RTSCTS...
  • Page 272 38 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) Date________________ Port N (SET P N), EIA-232 for PROTO = RTDB RTD 10B Type (NA, PT100, NI100, NI120, CU10) RTD10TB = RTD 11B Type (NA, PT100, NI100, NI120, CU10)
  • Page 273 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 1 of 38 Configuration Settings Group______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Configuration Settings Relay Identifier (39 Characters) = XFMR 1 Terminal Identifier (59 Characters)
  • Page 274 2 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Differential Elements Group______________ Winding 1 CT Ratio (1–50000) CTR1 = 120; 600 (first value applies to a 5 A relay; second value applies to a 1A relay) Winding 2 CT Ratio (1–50000)
  • Page 275 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 3 of 38 Restricted Earth Fault Group______________ Restraint Slope 2 Percentage (OFF, 25–200%) SLP2 = 50 Restraint Current Slope 1 Limit ((1–20) multiple of tap) IRS1 Unrestrained Element Current PU ((1–20) multiple of tap)
  • Page 276 4 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Winding 1 O/C Elements Group______________ 50P12 Torque Control (SEL control equation) OGIC 50P12TC Phase Inst. O/C Level 3 PU (OFF, 0.25–100.00 A secondary) (5 A) 50P13P = 0.50...
  • Page 277 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 5 of 38 Winding 1 O/C Elements Group______________ Neg.-Seq. Inv.-Time O/C EM Reset (Y, N) 51Q1RS 51Q1 Torque Control (SEL control equation) OGIC 51Q1TC Winding 1 Residual O/C Elements Residual Def.-Time O/C Level 1 PU...
  • Page 278 6 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Winding 2 O/C Elements Group______________ Winding 2 O/C Elements Winding 2 Phase O/C Elements Phase Def.-Time O/C Level 1 PU (OFF, 0.25–100.00 A secondary) (5 A)
  • Page 279 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 7 of 38 Winding 2 O/C Elements Group______________ 50Q21 Torque Control (SEL control equation) OGIC 50Q21TC Neg.-Seq. Inst. O/C Level 2 PU (OFF, 0.25–100.00 A secondary) (5 A)
  • Page 280 8 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Winding 3 O/C Elements Group______________ 51N2 Torque Control (SEL control equation) OGIC 51N2TC Winding 2 Demand Metering Demand Ammeter Time Constant (OFF, 5–255 min)
  • Page 281 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 9 of 38 Winding 3 O/C Elements Group______________ Phase Inv.-Time O/C PU (OFF, 0.5–16.0 A secondary) (5 A) 51P3P = 4.0 (OFF, 0.1–3.2 A secondary) (1 A) = 0.8...
  • Page 282 10 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Winding 4 O/C Elements Group______________ Residual Level 1 O/C Delay (0–16000 cycles) 50N31D 50N31 Torque Control (SEL control equation) OGIC 50N31TC Residual Inst. O/C Level 2 PU (OFF, 0.25–100.00 A secondary) (5 A)
  • Page 283 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 11 of 38 Winding 4 O/C Elements Group______________ 50P41 Torque Control (SEL control equation) OGIC 50P41TC Phase Inst. O/C Level 2 PU (OFF, 0.25–100.00 A secondary) (5 A)
  • Page 284 12 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Winding 4 O/C Elements Group______________ Neg.-Seq. Inv.-Time O/C PU (OFF, 0.5–16.0 A secondary) (5 A) 51Q4P = 6.0 (OFF, 0.1–3.2 A secondary) (1 A) = 1.2...
  • Page 285 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 13 of 38 Combined O/C Elements Group______________ Neg.-Seq. Demand Ammeter Threshold (OFF, 0.5–16.0 A secondary) (5 A) QDEM4P = 1.0 (OFF, 0.1–3.2 A secondary) (1 A) = 0.2 Residual Demand Ammeter Threshold (OFF, 0.5–16.0 A secondary) (5 A)
  • Page 286 14 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Thermal Element (SEL-387-6 Relay Only) Group______________ W3–W4 Phase Inv.-Time O/C Time-Dial 51PC2TD = 3.00 (US 0.5–15.0, IEC 0.05–1.00) W3–W4 Phase Inv.-Time O/C EM Reset (Y, N) 51PC2RS W3–W4 Residual O/C Element...
  • Page 287 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 15 of 38 Thermal Element (SEL-387-6 Relay Only) Group______________ Cooling Stage 3 Rating (0.2–5000.0 MVA) MCS33 = 170.0 Cooling Stage 3 (SEL control equation) OGIC CS13S Cooling Stage 3 (SEL...
  • Page 288 16 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Thermal Element (SEL-387-6 Relay Only) Group______________ Cooling System Efficiency-Transformer 1 (5–100ºC) CSEP1 = 15 Cooling System Efficiency-Transformer 2 (5–100ºC) CSEP2 = 15 Cooling System Efficiency-Transformer 3 (5–100ºC)
  • Page 289 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 17 of 38 Thermal Element (SEL-387-6 Relay Only) Group______________ Cooling Stage 1 Constants Top-Oil Rise/Amb (0.1–100.0ºC) THor21 = 55.0 Hot-Spot Cond. Rise/Top Oil (0.1–100.0ºC) THgr21 = 25.0 Ratio Losses (0.0–100.0)
  • Page 290 18 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ RTD A Elements (SEL-387-5 and SEL-387-6 Relays Only) Group______________ Oil Thermal Time Constant (0.1–20.0 hr) OTR32 = 2.0 Oil Exponent (0.1–5) EXPn32 = 0.9 Winding Exponent (0.1–5)
  • Page 291 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 19 of 38 RTD B Elements (SEL-387-5 and SEL-387-6 Relays Only) Group______________ RTD 11A Trip Temperature (OFF, 32–482°F) 49T11A = OFF RTD 12A Alarm Temperature (OFF, 32–482°F)
  • Page 292 20 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Miscellaneous Timers Group______________ Miscellaneous Timers Minimum Trip Duration Time Delay (4–8000 cycles) TDURD Close Failure Logic Time Delay (OFF, 0–8000 cycles) = 60 Control Equations Set 1...
  • Page 293 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 21 of 38 Control Equations Set 2 Group______________ OGIC Set 1 Latch Bit 4 SET Input (SEL control equation) OGIC S1SLT4 Set 1 Latch Bit 4 RESET Input (SEL...
  • Page 294 22 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Control Equations Set 3 OGIC Group______________ Set 2 Latch Bit 4 SET Input (SEL control equation) OGIC S2SLT4 Set 2 Latch Bit 4 RESET Input (SEL...
  • Page 295 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 23 of 38 Control Equations Set 3 Group______________ OGIC S3V7 Timer Dropout (0–999999 cycles) S3V7DO = 0.000 Set 3 Variable 8 (SEL control equation) OGIC S3V8 S3V8 Timer Pickup (0–999999 cycles) S3V8PU = 0.000...
  • Page 296 24 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example Date _______________ Trip Logic Group______________ Trip Logic = 50P11T + 51P1T +51Q1T + OC1 + LB3 = 51P2T + 51Q2T + OC2 = 50P31 + 51P3T + OC3...
  • Page 297 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Group Settings (SET Command) Example 25 of 38 Output Contact Logic (Extra Interface Board 2 or 6) Group______________ OUT106 = CLS2 OUT107 = CLS3 Output Contact Logic (Extra Interface Board 2 or 6)
  • Page 298 26 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example Date________________ Relay Settings SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example Relay Settings Length of Event Report (15, 30, 60 cycles)
  • Page 299 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example 27 of 38 Breaker 2 Monitor Close/Open Set Point 3 max (1–65000 operations) B1COP3 = 12 kA Interrupted Set Point 3 min (0.1–999.0 kA pri) B1KAP3 = 20.0...
  • Page 300 28 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example Date________________ Through-Fault Event Monitor (SEL-387-5 and SEL-387-6 Relays) Through-Fault Event Monitor (SEL-387-5 and SEL-387-6 Relays) Enable Through-Fault Event Winding (N, 1, 2, 3, 4) ETHRU Changing setting ETHRU resets/clears through-fault event information.
  • Page 301 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example 29 of 38 Front Panel Select Setting Group 5 (SEL control equation) OGIC Select Setting Group 6 (SEL control equation) OGIC Front Panel Energize LEDA (SEL...
  • Page 302 30 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example Date________________ Front Panel DP6 Label 1 (16 characters) (Enter NA to Null) DP6_1 DP6 Label 0 (16 characters) (Enter NA to Null) DP6_0 Show Display Point 7 (SEL...
  • Page 303 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example 31 of 38 Text Labels (All But SEL-387-0 Relay) Show Display Point 15 (SEL control equation) OGIC DP15 DP15 Label 1 (16 characters) (Enter NA to Null)
  • Page 304 32 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example Date________________ Text Labels (All But SEL-387-0 Relay) Set Local Bit LB6 Label (7 characters) (Enter NA to Null) SLB6 Pulse Local Bit LB6 Label (7 characters) (Enter NA to Null)
  • Page 305 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Global Settings (SET G Command) Example 33 of 38 Text Labels (All But SEL-387-0 Relay) Set Local Bit LB14 Label (7 characters) (Enter NA to Null) SLB14 Pulse Local Bit LB14 Label (7 characters) (Enter NA to Null)
  • Page 306 34 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Sequential Events Recorder Settings (SET R Command) Example Date________________ Trigger Conditions SEL-387-0, -5, -6 Relay Settings Sheet Sequential Events Recorder Settings (SET R Command) Example Trigger Conditions Trigger SER (24 Relay Word bits per SERn equation, 96 total)
  • Page 307 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) Example 35 of 38 Port 1 (SET P 1) Rear Panel, EIA-485 Plus IRIG-B SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) Example RTSCTS setting does not appear if PROTO = LMD or DNP. LMD PREFIX, ADDR, and SETTLE do NOTE: not appear if PROTO = SEL or DNP.
  • Page 308 36 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) Example Date________________ Port 3 (SET P 3) Rear Panel, EIA-232 Stop Bits (1, 2) STOP Time-out (for inactivity) (0–30 minutes) T_OUT Send auto messages to port (Y, N)
  • Page 309 Date _______________ SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) Example 37 of 38 Port N (SET P N), EIA-232 for PROTO = RTDA Send auto messages to port (Y, N) AUTO Enable hardware handshaking (Y, N)
  • Page 310 38 of 38 SEL-387-0, -5, -6 Relay Settings Sheet Port Settings (SET P Command) Example Date________________ Port N (SET P N), EIA-232 for PROTO = RTDB RTD 10B Type (NA, PT100, NI100, NI120, CU10) RTD10TB = RTD 11B Type (NA, PT100, NI100, NI120, CU10)

  • Page 311: Overview

    Use one of the SEL protocols for communication. The SEL ASCII commands and structure are defined in detail in this section. Other SEL protocols used for interfacing other intelligent electronic devices for automated communication are described in detail in the appendices. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 312: Establish Communication

    Port 3 Rear Port 4 Front Pin Number EIA-232 with EIA-485 EIA-232 EIA-232 IRIG-B +TX (Out) N/C or +5 Vdc* N/C or +5 Vdc* –TX (Out) RXD (In) RXD (In) RXD (In) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 313: Table 7.2 Sel-387 Communication Cable Numbers

    For connecting devices at over 100 feet, fiber-optic transceivers are available. The SEL-2800 and SEL-2810 provide fiber-optic links between devices for electrical isolation and long-distance signal transmission. Call the factory for further information on these products. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 314: Sel-387 To Computer

    9-Pin Female "D" Subconnector "D" Subconnector Func. Func. Cable C227A *DTE Device SEL-387 Relay 9-Pin Male 25-Pin Female "D" Subconnector "D" Subconnector Func. Func. *DTE = Data Terminal Equipment (Computer, Terminal, etc.) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 315: Sel-387 To Modem

    *DCE Device 9-Pin Male 25-Pin Male "D" Subconnector "D" Subconnector Func. Func. TXD (IN) DTR (IN) RXD (OUT) CD (OUT) +5 VDC PWR (IN) *DCE = Data Communications Equipment (Modem, etc.) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 316: To Sel Communications Processor

    RXD, RX Receive Data TXD, TX Transmit Data +(–)IRIG-B IRIG-B Time-Code Input Ground SHIELD Shielded Ground Request to Send Clear to Send Data Carrier Detect Data Terminal Ready Data Set Ready SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 317: Communications Protocol

    ➤ You may truncate commands to the first three characters. EVENT 1 <Enter> would become EVE 1 <Enter>. ➤ Upper- and lowercase characters may be used without distinction, except in passwords. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 318 Distributed Port Switch Protocol (LMD) for more information. SEL Distributed Network Protocol (Not Available in the SEL-387-0) SEL Distributed Network Protocol (DNP) meets DNP3 Level 2 requirements. Select the protocol by setting PROTOCOL = DNP, a SET P setting. See Appendix G: Distributed Network Protocol for more information.
  • Page 319 SEL Unsolicited Sequential Events Recorder (SER) Protocol provides SER events to an automated data collection system. SEL Unsolicited SER Protocol is available on any serial port. The protocol is described in Appendix F: Unsolicited SER Protocol. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 320: Sel Ascii Protocol Details

    Date and time of group change GRO n command. ➤ Active setting group now being used Status Report The relay automatically generates a status report whenever the self-tests declare a failure state and some warning states. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 321 The relay is shipped with the default factory passwords shown in the table under PAS (Passwords) on page 7.23. Below are the access level hierarchy, the access level prompts, and commands allowed in each of the four access levels: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 322: Access Levels

    After issuing the 2AC command and entering the password, if it is required [see for default factory passwords], the relay pulses the PAS (Passwords) ALARM contact and is in Access Level 2. The Access Level 2 prompt appears =>> SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 323 Access Level 2 for viewing relay information, controlling the breaker, and changing settings. Firmware upgrades to Flash memory (see Appendix B: SEL-300 Series Relays Firmware Upgrade Instructions) are also performed from this level. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 324: Figure 7.2 Access Level Relationship

    THERMAL R THERMAL R THERMAL T THERMAL T THERMAL T TIME TIME TIME TRIGGER TRIGGER TRIGGER QUIT QUIT QUIT QUIT ACCESS ACCESS ACCESS ACCESS LEVEL 0 Figure 7.2 Access Level Relationship SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 325: Command Definitions

    7.23. Use the PASSWORD command from Access Level 2 to change this password. Install main board jumper JMP6A to disable password protection. The following display indicates successful access to Level B: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 326 The BRE R n command resets the trip counter, trip current data and contact wear percentages for Breaker n. Issue BRE R A to reset all Breaker Monitors at one time. Use the BRE command to verify resetting of the data. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 327 Refer to Appendix E: Compressed ASCII Commands for a complete description of the command, as well as additional Compressed ASCII commands CAS, CBR, CHI, CST, and CTA. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 328 SET G date format setting DATE_F. The following example views the current date, verifies the DATE_F setting, and changes the date. Note that single-digit numbers may be entered without leading zeros like the 9 in 11/9/ SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 329 ). The number of full Event Reports completely saved in Flash summaries. SEL-387-6 firmware memory depends on the SET G setting LER as follows: versions R304 and R405 display 40 event summaries. All other firmware versions display 80 event summaries. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 330 =>HIS C <Enter> Clear History Buffer Are you sure (Y/N) ? Y <Enter> Clearing Complete {Relay pauses after the word Clearing} => SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 331 No Board Connected =>> IRI (IRIG-B Synchronization) Access Levels 1, B, 2 The IRIG command forces the relay to read the demodulated IRIG-B time- code input at the time of the command. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 332: Table 7.4 Met Command Choices

    Section 5: Metering and Monitoring where a sample report also is shown. If the Analog Input Label settings (IAW1, etc.) have been renamed, these will appear in the report as set. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 333 Use PAS <Enter> to inspect passwords. The passwords for Levels 1, B, and 2 are displayed. =>>PAS <Enter> 1:OTTER B:EDITH 2:TAIL =>> To change a password, use the following syntax: PAS n newpas <Enter> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 334 The QUIT command returns the relay to Access Level 0 from Level 1, B, or 2. The command displays the relay settings RID, TID, date, and time of QUIT command execution. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 335 =>SER 2/26/97 2/27/97 <Enter> XFMR 1 Date: 03/13/97 Time: 18:27:42.091 STATION A FID=SEL-387-X104-V-D970311 DATE TIME ELEMENT STATE 2/26/97 10:33:54.873 TRIP3 Asserted 2/26/97 10:33:55.373 TRIP3 Deasserted 2/27/97 10:34:06.872 CLS3 Asserted 2/27/97 10:34:07.372 CLS3 Deasserted => Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 336 W3CTC VWDG1 = 230.00 VWDG2 = 138.00 VWDG3 = 13.80 Issue <CTRL> X to Stop Scrolling =>> Table 7.5 lists the editing keys that you can use with the SET command. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 337: Table 7.5 Editing Keys For Set Commands

    DC battery monitor thresholds, breaker monitor settings, analog input labels, SSn setting group variables, and definition of front-panel programmable LED and Display Point variables. The entire syntax of the SET G command follows: SET G Setting TERSE<Enter> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 338: Table 7.6 Settings For Each Communication Port

    Time-out returns port to Access Level 0. AUTO send auto messages to the port; Yes or No. RTSCTS enable hardware handshaking; Yes or No (only if PROTO = SEL). FASTOP enable Fast Operate function; Yes or No. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 339 Settings cannot be entered or modified with this command. Change settings with the SET command from Access Level 2. Refer to Section 6: Setting the Relay for information on all settings. The following example demonstrates the report for the SHO command. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 340 HST2 = 200 FAAL1 = 50.00 FAAL2 = 50.00 RLOLL = 50.00 TLOLL = 50.00 CSEP1 = 15 ILIFE = 180000 EDFTC TDURD = 9.000 = 60.000 (Continued on next page) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 341 SET G command from Access Level 2. Refer to Section 6: Setting the Relay for information on all settings. The following example demonstrates the report for the SHO G command. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 342 Press RETURN to continue DP8_1 DP8_0 DP9_1 DP9_0 DP10 DP10_1 DP10_0 DP11 DP11_1 DP11_0 DP12 DP12_1 DP12_0 DP13 DP13_1 DP13_0 DP14 DP14_1 DP14_0 DP15 DP15_1 DP15_0 DP16 (Continued on next page) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 343 =>> SHO R (Show SER Settings) Access Levels 1, B, 2 SHOWSET R displays the Sequential Events Recorder settings. The syntax of the SHO R command follows: SHO R Setting <Enter> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 344 Do not ignore warnings; contact the factory. If the Analog Input Label settings (IAW1, etc.) have been renamed, these will appear in the report as set. The STATUS report format appears below: SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 345 QUIT command is executed, TAR 0 command is executed, or the TAR R command is executed. The TARGET command does not remap the front-panel LEDs. See the TAR F command. The following examples demonstrate the TARGET command: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 346 The front-panel LEDs remain remapped until the front panel times out, the TAR R command is executed, or the {TARGET RESET} pushbutton is pushed. Refer to Section 4: Control Logic for a list of the Relay Word and the corresponding rows. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 347: Table 7.7 Tfe Command Choices

    There are several choices for the THE command, listed briefly below. Refer to Section 5: Metering and Monitoring for a complete description of the thermal monitoring reports. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 348: Table 7.8 The Command Choices

    (e.g., testing or commissioning). The event type is recorded as TRIG any time the TRI command is issued. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 349: Alarm Conditions

    Table 7.10 Main Board Jumpers Jumper Comment JMP6A Disables password protection when installed JMP6B Enables CLO, OPE, and PUL commands when installed Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
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  • Page 351: Sel-387 Relay Command Summary

    Display demand metering data, in primary amperes. Enter number k to scroll metering k times on screen. MET DIF k Display differential metering data, in multiples of TAP. Enter number k to scroll metering k times on screen. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 352 Retrives daily profile data from day x to day y. If x and y are omitted, retrieves entire profile data. If x or y is omitted, retrieves profile from day x (y) to present. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 353 Switch to Setting Group n. (Will not function if any SSn Relay Word bit is asserted.) HIS n Show brief summary of the n latest event reports. HIS C Clear the brief summary and corresponding standard event reports. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 354 Displays cumulative and individual through-fault event data. All the most recent individual events are displayed, up to 1200. TFE C Clears/resets cumulative and individual through-fault event data. TFE P Preloads cumulative through-fault event data. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 355 Enter date in this manner if Date Format setting DATE_F = MDY. DAT y/m/d Enter date in this manner if Date Format setting DATE_F = YMD. EVE n Show standard event report number n, with 1/4-cycle resolution. Attach S8 for 1/8-cycle resolution. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 356 RESET51 command resets all inverse-time O/C elements for the four windings, including the Combined Overcurrent elements. SER d1 Show rows in the Sequential Events Recorder (SER) event report for date d1. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 357 Clears the hourly profile, daily profile, and thermal event data archives and resets the total loss-of-life values. THE T Displays the four temperature inputs received from an SEL-2032, an SEL-2030, or an SEL-2020 Communications Processor. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 358 Level 2. The screen prompt is: =>> Show or set time (24 hour time). Show time presently in the relay by entering just TIM. Example time 22:47:36 is entered with command TIM 22:47:36. Trigger an event report. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 359: Section 8: Front-Panel Interface

    TAR F command will not be reset to the default targets. Reset FP_TO to some nonzero value, then push any button—the relay will not revert to the new value of FP_TO until a button has been pushed. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 360: Displays

    The two-line current display for a Winding “n” is turned off if both of the settings E87Wn and EOCn are set to “N.” Each display (except for the SEL-387-0) remains for Global setting SCROLD (seconds) before scrolling continues. Any message generated by the relay due to an alarm condition takes precedence over the normal default display.
  • Page 361 , and allow another attempt. After three Invalid Password incorrect attempts, the relay will pulse the ALARM contact for one second and the front panel will exit the command you are trying to access. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 362: Pushbuttons

    If is selected, a third menu appears prompting the user to select to either the demand information or to the demand DISPLAY RESET accumulators. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 363 The up/down arrow keys are then used to manually scroll through the diagnostic fields, showing the analog channel offsets, power supply voltages, internal temperature, RAM (OK/FAIL), etc. The display remains in this scroll sequence until either {CANCEL} or {EXIT} is pushed. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 364 OTHER Push {EXIT} to return to the default display. The rotating default display can be locked on a single screen. Access the scroll lock control with the {OTHER} pushbutton. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 365 OTHER main menu; or, simply push {CANCEL} to return to the main menu. Push OTHER {EXIT} to return to the default display. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 366 RESET for help during set/show routine RESET} pushbutton provides the user with a short description of the setting and the range of values, should the user not recognize the setting by its Character string name. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 367 If you do not recognize this setting, push the {TARGET RESET} pushbutton and the following description will scroll across the first line: Enable Wdg1 in Differential Element (Y, N) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 368 {TARGET RESET} pushbutton, and a single scroll across the first line will indicate that this is the Protocol ( , LMD, DNP) (RTDA, SEL-387 SEL-387 setting. RTDB for -5 and -6 Relays) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 369: Figure 8.2 Local Control Switch Configured As An On/Off Switch

    {CANCEL} can be used to return to an earlier menu. {EXIT} will abort the command and return to the default display. PORT CNTRL (Not Included in SEL-387-0) Use local control to enable/disable schemes, trip/close breakers, and so on, via the front panel. Local Control...

  • Page 370: Table 8.1 Correspondence Between Local Control Switch Positions And Label Settings

    View Local Control (With Factory Settings) Access local control via the {CNTRL} pushbutton. If local control switches exist (i.e., corresponding switch position label settings were made), the following message displays with the rotating default display messages. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 371 RETURN MANUAL TRIP 1 (logical 0) Logical 1 Trip? Yes No ←→ TRIP Scroll left with the left arrow button and then select to show the new local control switch position. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 372 . Use the up/down arrow keys and OUT101 OUT107 ALARM {SELECT} to choose. The display will follow with a verification request. Yes/No Again, use the up/down arrow keys and {SELECT} to choose. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 373: Secondary Function Review

    The first button, {TARGET RESET / LAMP TEST}, has no secondary function except as a HELP key, explained earlier under the SET primary function. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 374: Pushbutton/Serial Port Equivalents

    {EVENTS} {STATUS} {OTHER} DAT, TIM, TAR F, BRE, BRE R, RES {SET} SET, SET G, SET P, SHO, SHO G, SHO P, PAS {CNTRL} PUL, CLO, OPE {GROUP} GRO, GRO n SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 375: Programmable Leda, Ledb, Ledc

    For testing or other purposes, however, these programmable LEDs can be very helpful for identifying conditions, defined by SEL control equations, that are of OGIC interest to the user. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 376: Rotating Default Display

    The optoisolated input IN102 is energized when the 52a circuit breaker auxiliary contact is closed, resulting in: IN102 = logical 1 DP2 = This results in the display of corresponding text setting DP2_1 on the front- panel display. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 377: Dynamic Display

    Display Points reflect actual settings and values in the relay and are in addition to the programmable text discussed previously. The relay displays these settings and metering quantities on the rotating default display. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 378 (;;;) and overcurrent element number shown in Table 8.4. You can vary the number of label characters in the prelabel and the postlabel as long as the sum does not exceed the maximum. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 379: Table 8.4 Dynamic Display Same-Line Overcurrent Elements

    Dual-Line Setting Example Enter the following settings for a dual-line display: Brkr 1 Trips at DP1_0 = ::51P1P DP2_0 = DP1 = DP2 = The following appears on the front-panel display: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 380 These dynamic display names have the same names as the Relay Word bits: IAW1, IBW1, ICW1, 3I1W1, 3I2W1, IRW1, IAW2, IBW2, ICW2, 3I1W2, 3I2W2, IRW2, IOP1, IOP2, IOP3, IRT1, IRT2, IRT3, I1F2, I2F2, I3F2, I1F5, SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 381: Table 8.5 Dynamic Display Mnemonics

    Bkr1 external trip IA EXTIBW1 Bkr1 external trip IB EXTICW1 Bkr1 external trip IC WEARAB1 Bkr1 A-phase wear monitor WEARBB1 Bkr1 B-phase wear monitor WEARCB1 Bkr1 C-phase wear monitor INTTRB2 Bkr2 internal trip count Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 382: Scroll Lock Control Of Front-Panel Lcd

    If no button is pressed for eight seconds, the reminder message will appear for one second, followed by the active screen. Scroll lock ON SELECT to Unlock Restart Scrolling (Unlock) The {SELECT} pushbutton unlocks the LCD and resumes the rotating display. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 383 {SELECT} pushbutton a second time to freeze scrolling. Exit Press the {EXIT} pushbutton to leave and return the Scroll Lock Control rotating display to normal operation. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 384: Figures Of Selected Front-Panel Menu Structures

    12.3 12.3 12.3 IRW1 PK= 1234 mmddyy hh:mm:ss I1F2 I2F2 I3F2 12.3 12.3 12.3 Last Reset From mmddyy hh:mm:ss I1F5 I2F5 I3F5 12.3 12.3 12.3 Figure 8.5 METER Menu and Display Structure SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 385: Figure 8.6 Events Display Structure

    12.3 12.3 12.3 n W4 A 12.3 12.3 12.3 n = event number Where m = group number If secondary currents > 99.9, drop the decimal place. Note: Figure 8.6 EVENTS Display Structure Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 386: Figure 8.7 Other / Bkr Menu And Display Structure

    Reset Bkr W1 999ex 12345kA Yes No P3 999in 12345kA 999ex 12345kA %wear P1 [default display] 100 100 100 Last Reset From mmddyy hh:mm:ss Figure 8.7 OTHER / BKR Menu and Display Structure SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 387: Figure 8.8 Set Menu And Display Structure

    Exit Settings ←→ Save Changes Save Changes Yes No Yes No Yes No Yes No Exit Settings ←→ Exit Settings ←→ Yes No Yes No Figure 8.8 SET Menu and Display Structure Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
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  • Page 389: Section 9: Event Reports And Ser

    512 lines of the SER report in nonvolatile memory. If the report fills up, newer rows overwrite the oldest rows in the report. See Figure 9.8 for an example SER report. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 390: Standard 15-, 30-, Or 60-Cycle Event Reports

    1 transition, it generates an event report (if it is not already generating a report that encompasses the new transition). The factory setting is: ER = /50P11 + /51P1 + /51Q1 + /51P2 + /51Q2 + /51P3 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 391: Standard Event Report Summary

    15-, 30-, or 60-cycle event report, and triggers. the other information follows at the end. See Figure 9.2. The example event summary in Figure 9.1 corresponds to the full-length standard 15-cycle event report in Figure 9.2. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 392: Table 9.1 Event Types

    Event: Targets The target field shows all front-panel targets that were illuminated at the end of the triggered event report. The targets include: TRIP INST 87-1 87-2 , and 87-3 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 393: Retrieving Full-Length Standard Event Reports

    Ly–w = Displays from cycle y to cycle w Refer to Figure 9.2 for an example winding event report. This example event report displays rows of information each quarter-cycle and was retrieved with the EVE <Enter> command. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 394: Table 9.2 Winding Event Report Current Columns

    Current measured by Winding 4 input channel IB (Amps, secondary) ICW4 Current measured by Winding 4 input channel IC (Amps, secondary) Table 9.3 summarizes the winding event report output and input columns. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 395: Table 9.3 Winding Event Report Output And Input Columns

    Ly–w Displays from cycle y to cycle w Refer to Figure 9.3 for an example digital event report. This example event report displays rows of information each quarter-cycle and was retrieved with the EVE D <Enter> command. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 396: Table 9.4 Digital Event Report Column Description

    50B13 asserted 50B34 50B14 asserted 50B13 and 50B14 asserted Winding 1 50C13 asserted 50C34 50C14 asserted 50C13 and 50C14 asserted Winding 1 50N11 asserted 50N1 50N11T asserted Winding 1 50N12 asserted 50N2 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 397 DC3 asserted DC4 asserted DC3 and DC4 asserted TRP 12 TRIP1 asserted TRIP2 asserted TRIP1 and TRIP2 asserted TRP 34 TRIP3 asserted TRIP4 asserted TRIP3 and TRIP4 asserted TRP 5 TRIP5 asserted Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 398 Latch Bits, eight of the 16 Remote Bits, the eight digital outputs, and the six optoisolated inputs are shown. Use the EVENT DIF command to retrieve differential event reports. There are several options to customize the report format. The general command format is: SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 399: Table 9.5 Differential Event Report Current Columns

    Operate current for differential element 1 (multiples of tap) IRT1 Restraint current for differential element 1 (multiples of tap) I1F2 Second-harmonic current for differential element 1 (multiples of tap) I1F5 Fifth-harmonic current for differential element 1 (multiples of tap) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 400: Table 9.6 Differential Event Report Element Columns

    S1VnT asserted (timed out); S1Vn asserted S1VnT asserted, S1Vn deasserted (timing to reset) Set 1 Latch Bit 1 Latched LT 12 Latch Bit 2 Latched Latch Bit 1 and Latch Bit 2 Latched SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 401 OUT103 and OUT104 asserted OUT 56 OUT105 asserted OUT106 asserted OUT105 and OUT106 asserted OUT 7A OUT107 asserted ALARM asserted OUT107 and ALARM asserted IN 12 IN101 asserted IN102 asserted IN101 and IN102 asserted Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 402 EVE R S4 <Enter> command. The raw event report always shows 1.5 cycles of pretrigger data, in this case six samples instead of four. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 403: Table 9.7 Raw Winding Event Report Current Columns

    Current measured by Winding 3 input channel IB (Amps, secondary) ICW3 Current measured by Winding 3 input channel IC (Amps, secondary) IAW4 Current measured by Winding 4 input channel IA (Amps, secondary) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 404: Compressed Ascii Event Reports

    Filtered Event and rms magnitude values. Figure 9.7 shows how the event report current column data can be converted to phasor rms values. Reports SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 405: Figure 9.6 Derivation Of Event Report Current Values And Rms Current Values From Sampled Current Waveform

    2748 A, rms. The true rms value is shown as IA times 1/sqrt(2) = 3887 • peak 0.707 = 2748 A. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 406: Figure 9.7 Derivation Of Phasor Rms Current Values From Event Report Current Values

    Event Report. In Figure 9.7 at the present sample the phasor rms current value is: ∠ 2749 A – 30.0° Equation 9.1 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 407 ∠ 2745 A – 120.0° Equation 9.3 Thus, the phasor rotates in a counterclockwise direction in 90-degree increments, as expected, when successive pairs of samples are used for making the calculation. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 408: Sequential Events Recorder (Ser) Event Report

    Generally, the rows are listed from top to bottom in chronological order, oldest first, to facilitate analyzing the sequence. The newest records have the lowest row numbers, the oldest records the highest row numbers. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 409: Making Ser Event Report Trigger Settings

    They display with the oldest row at the beginning (top) of the report and the latest row at the end (bottom) of the report, for the given date. Chronological progression through the report is down the page and in descending row number. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 410: Clearing Ser Event Report Buffer

    SER C commands to once per week or The process of clearing SER event reports may take up to 30 seconds under less. normal operation or longer if the relay is busy processing a fault or protection logic. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 411: Section 10: Testing And Troubleshooting

    The paragraphs below describe when each type of test is performed, the goals of testing at that time, and the relay functions that you need to test at each point. This information is intended as a guideline for testing SEL relays. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 412: Testing Methods And Tools

    ➤ Replace the ribbon cable, press the front-panel {METER} pushbutton, and compare the relay readings to other accurate instruments in the relay input circuits. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 413: Low-Level Test Interface

    Refer to Section 2: Installation for jumper locations. Using contact operation as an indicator, you can measure element operating characteristics, stop timers, etc. Tests in this section assume an a output contact. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 414 (Relay Word bit), unless this bit has been renamed using one of the ALIASn settings, in which case the ALIAS will appear in the report. Clear the SER report with the SER C command. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 415: Acceptance Testing

    Check the information on this sticker before applying power to the relay or starting tests. Be sure your dc supply is correctly adjusted for the control and logic input requirements. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 416: Power Supply

    Level 0 communications. Method: Apply control voltage to the relay. The enable target (EN) LED should illuminate. If not, be sure that power is present. Type <Enter> from your terminal to get the SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 417 Method: The relay is shipped with factory settings; type SHO <Enter> to view the settings. Section 6: Setting the Relay includes a complete description of the settings. The terminal display should look similar to the following: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 418 HST2 = 200 FAAL1 = 50.00 FAAL2 = 50.00 RLOLL = 50.00 TLOLL = 50.00 CSEP1 = 15 ILIFE = 180000 EDFTC TDURD = 9.000 = 60.000 (Continued on next page) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 419: Outputs

    For example, type PUL OUT101 <Enter> to test output contact OUT101. d. Repeat this step for each output. Use the TARGET F command to display the appropriate output elements. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 420: Inputs

    A and B current source returns. Set the current sources to deliver one ampere with A- phase at 0 degrees, B-phase lagging A-phase by 120 degrees, and C-phase leading A phase by 120 degrees. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 421: Figure 10.3 Test Connections For Balanced Load With Three-Phase Current Sources

    Current Current Source 2 Source 1 IAW1 IBW1 ICW1 IAW2 IBW2 ICW2 IAW3 IBW3 ICW3 IAW4 IBW4 ICW4 SEL-387 (partial) Figure 10.4 Test Connections for Balanced Load With Two-Phase Current Sources Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 422: Winding Overcurrent

    Remember to view the appropriate TARget and apply current to the appropriate winding. The computer terminal will display the LED labels from left to right when the TAR F command is issued. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 423: Table 10.2 Instantaneous Overcurrent Elements And Corresponding Settings

    Definite-time elements will be equal to the delay setting (i.e., 50P11D setting for the 50P11 element). Inverse- time elements are calculated using three element settings and the operating time equations shown in Section 3: Differential, Restricted Earth Fault, Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 424 Step 4 for each time element listed in Table 10.3 for each winding. b. Remember to set the SER for the appropriate elements and apply current to the appropriate winding. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 425: Table 10.3 Time-Delayed Overcurrent Elements And Corresponding Settings

    3I2 = A-phase + B-phase (shifted by –120°) + C-phase (shifted by 120°) This means that if balanced positive-sequence currents are applied to the relay, the relay reads 3I2 = 0 (load conditions). Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 426 Step 2. Purpose: Assert the torque-control equation. Method: Apply the appropriate conditions to assert the torque- control equation. For this test example, apply control voltage to IN101. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 427: Combined Overcurrent Elements

    The test configuration is that shown in Figure 10.5, with two sources delivering current to the same phase of Windings 1 and 2, or Windings 3 and 4. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 428 51PC1 and 51PC1T will appear in the second row of LEDs, in the A and B positions, during the tests. Before the test, LED C should be lit, representing bit 51PC1R (reset). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 429 Step 5. Purpose: Verify the operation time. Method: a. Type SER <Enter> to view the SER records. The assertion and deassertion of each element listed in the SER1, 2, 3, and 4 settings are recorded. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 430: Restricted Earth Fault (Ref) Function

    Setting IRW4 at 1 A represents a multiple of pickup of M = 2.0. We can use the equation below to calculate the expected operating time for curve U4 at M = 2, TD = 0.5: SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 431 Subtract the time of assertion of the directional element (32IF) from the assertion time of the time-out bit (REFP). This is the operate time, which should be about one second, as calculated above. (50G4 will have Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 432: Differential

    87U Unrestrained Element Operating Region U87P Selected IRT Test Points 87R Restrained Element Operating Region SLP2 Test SLP1 Restraining Test Region O87P IRS1 O87P SLP1 Figure 10.6 Percentage Restraint Differential Characteristic SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 433: Table 10.4 Connection Compensation Factor

    LED labels from left to right when the TAR F command is issued. Table 10.4 Connection Compensation Factor WnCTC Setting √3 Odd: 1, 3, 5, 7, 9, 11 Even: 2, 4, 6, 8, 10, 12 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 434 Remember to view the appropriate TARget and apply current to the appropriate winding. The computer terminal will display the LED labels from left to right when the TAR F command is issued. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 435 ⎠ Equation 10.5 b. Calculate the Winding 2 current for the test using the following formula: ⎛ ⎞ SLP1 IAW2 • – ------------- - • TAP2 • ⎝ ⎠ Equation 10.6 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 436 LED labels from left to right when the TAR F command is issued. IRS1 must be greater than: ------------- - • 087P7 SLP1 Equation 10.8 if SLP2 is not set to OFF. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 437 – SLP2 ---------------------------------- IAW1 • ------------- - • • TAP1 • ⎝ ⎝ ⎠ ⎝ ⎠ ⎠ Equation 10.10 Calculate the Winding 2 current for the test using the following formula: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 438 This example tests the second-harmonic blocking current that the magnitude of second-harmonic current function. must exceed for differential restraint and that HRSTR = N. b. Enter SHO PCT2 <Enter>. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 439: Figure 10.7 Test Connections For Parallel Current Sources

    (fundamental), ±5% ± 0.02 I Current Current Source 1 Source 2 IAW1 IBW1 ICW1 IAW2 IBW2 ICW2 IAW3 IBW3 ICW3 IAW4 IBW4 ICW4 SEL-387 (partial) Figure 10.7 Test Connections for Parallel Current Sources Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 440 PCT5 setting divided by 100, multiplied by the magnitude of the fundamental current source, ±5% and ±0.02 I IAW1 (fifth harmonic) = PCT5/100 • IAW1 (fundamental), ±5% ±0.02 I SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 441 Testing and Troubleshooting 10.31 Acceptance Testing Harmonic Restraint (All But SEL-387-0 Relay) Step 1. Purpose: Verify the second-harmonic restraint percentage. Method: a. Execute the SHOW command via the relay front panel or serial port and verify the percentage of fundamental...

  • Page 442: Time-Code Input (Irig-B)

    Adjust the source to obtain an “ON” current of about 10 mA. c. Execute the IRIG command. d. Make sure the relay clock displays the correct date and time. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 443: Thermal Element

    FAA1, and FAA2 bits to assert. Step 2. Initialize the thermal element. a. With the relay turned on and the contact wired to IN101 closed, issue the THE R command to initialize the thermal element. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 444 The following is a typical SER report for this test. 06/09/00 07:27:39.752 IN101 Deasserted 06/09/00 07:37:16.315 Asserted 06/09/00 07:39:16.689 Asserted 06/09/00 07:41:16.436 Asserted 06/09/00 07:44:16.448 Asserted 06/09/00 07:46:17.062 FAA1 Asserted 06/09/00 07:49:16.316 FAA2 Asserted SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 445: Commissioning Testing

    Use the PULSE command to verify relay output contact operation. Use the SEL-387-0, -5, -6 Relay Commissioning Test Worksheet, located at the end of this section, to verify correct CT connections and settings when placing the relay in service.

  • Page 446: Maintenance Testing

    At SEL, we recommend that maintenance tests on SEL relays be limited under the guidelines provided above. The time saved may be spent analyzing event data and thoroughly testing those systems that require more attention. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 447: Relay Troubleshooting

    Locate the contrast adjust hole behind the front panel beside the serial port. (This requires unscrewing and removing the front-panel plate.) c. Insert a small screwdriver in this hole to adjust the contrast. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 448 1. The digital signal processor has failed; contact the factory. Tripping Output Relay Remains Closed Following Fault 1. Auxiliary contact inputs improperly wired. 2. Output relay contacts burned closed. 3. Interface board failure. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 449 1. Power supply +12 V output out-of- tolerance. See STATUS command. 2. A/D converter failure. Self-Test Failure: –12 V PS 1. Power supply –12 V output out-of- tolerance. See STATUS command. 2. A/D converter failure. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 450 3. Interface board failure. Self-Test Failure: CR_RAM, EEPROM, and IO_BRD 1. Self-test detected setting location movement as a result of Flash firmware upgrade. Execute R_S command. 2. Main board failure, contact the factory. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 451 5. Other self-test failure. Self-Test Failure: Temp After R_S Command 1. Record STA command and state of all outputs. 2. Call the factory. 3. Powering down the relay will reset the logic. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 452: Relay Calibration

    We appreciate your interest in SEL products and services. If you have questions or comments, please contact us at: Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA USA 99163-5603 Tel: (509) 332-1890 Fax: (509) 332-7990 Internet: www.selinc.com SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 453: System Information

    Date _______________ 1 of 4 SEL-387-0, -5, -6 Relay Commissioning Test Worksheet System Information System Settings RID (Relay identification) = TID (Terminal identification) = MVA (Maximum transformer Rating) = Winding 1 Winding 2 Winding 3 Winding 4 Current transformer connection:...

  • Page 454: Settings Check

    Note the following commissioning checks will not detect the failure to properly filter zero-sequence current. Failure to adhere to this check will result in a differential operation for external faults involving ground. Proper zero-sequence filtering verified? SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 455: Connection Check

    180° out of phase with the reference phase position for that winding. The reason is that CT polarity marks normally face away from the transformer on all windings.) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
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  • Page 457: Appendix A: Firmware And Manual Versions

    Firmware Identification (FID) label: FID=SEL-387-x-Rxxx-Vx-Dxxxxxx For firmware versions with the date code of October 4, 1999 (SEL-387-5), or June 29, 2000 (SEL-387-0), or later, the FID label will appear as follows with the Part/Revision number in bold: FID=SEL-387-x-Rxxx-Vx-Z001001-Dxxxxxxxx...
  • Page 458 Firmware and Manual Versions Firmware Table A.1 Firmware Revision History–SEL-387-0 Relay (Sheet 2 of 3) Manual Firmware Part/Revision No. Description of Firmware—SEL-387-0 Relay Date Code This firmware applies to the manual listed below: ➤ SEL-387-0-R607-V0-Z004003-D20050614 Manual update only. See Table A.6...

  • Page 459: Table A.2 Firmware Revision History-Sel-387-5 Relay

    Firmware and Manual Versions Firmware Table A.1 Firmware Revision History–SEL-387-0 Relay (Sheet 3 of 3) Manual Firmware Part/Revision No. Description of Firmware—SEL-387-0 Relay Date Code This firmware applies to the manual listed below: ➤ SEL-387-R105-V0-D20000629 Manual update only. See Table A.7...
  • Page 460 20010330 updates. SEL-387-5-R407-V0-Z101101-D20001220 Does Not Support PROTO=DNP SEL-387-5-R306-V0-Z001001-D20001121 This firmware differs from the previous versions as follows: ➤ Supports PROTO=DNP Corrected Object 32 in DNP versions. 20001220 SEL-387-5-R407-V0-Z101101-D20001220 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 461 Fixed SER to record RB (Remote Bits) and TRGTR (Target Reset) transitions. ➤ Added the STA C (Status Clear) command option. ➤ Increased character usage in ALIAS settings. ➤ Changed the TAP setting response from error to warning. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 462: Table A.3 Firmware Revision History-Sel-387-6 Relay

    ➤ Added Direct SEL-2600A communications to the SEL-387-5, and SEL-387-6. ➤ Added Temperature Monitoring and Alarms to the SEL-387-5, and SEL-387-6. ➤ Added Dynamic Display capability to the SEL-387-5 and SEL-387-6. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 463 SEL-387-6-R301-V0-Z001001-D20001121 ➤ Removed 32IOP supervision from REF logic to improve perfor- mance for fault close to the neutral point. ➤ Supports PROTO=DNP Initial release. 20000831 SEL-387-6-R400-V0-Z101101-D20000831 Does Not Support PROTO=DNP SEL-387-6-R300-V0-Z001001-D20000831 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 464: Table A.4 Settings Change History-Sel-387-5

    Added RTDA Trip Elements 49T01A through 49T12A ➤ Added RTDB Alarm Elements 49A01B through 49A12B ➤ Added RTDB Trip Elements 49T01A through 49T12B ➤ Removed THM1 through THM4 settings ➤ Added AMB, OIL1, OIL2, OIL3 settings SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 465: Instruction Manual

    A.7, and Table A.8 are lists of the instruction manual release dates and descriptions of modifications for the SEL-387-0, -5, -6, SEL-387-0, and SEL-387-5, -6, respectively. The most recent instruction manual revisions are listed at the top. Table A.6 Manual Revision History—SEL-387-0, -5, -6 (Sheet 1 of 6) Revision Date Summary of Revisions—SEL-387-0, -5, -6...
  • Page 466 A.10 Firmware and Manual Versions Instruction Manual Table A.6 Manual Revision History—SEL-387-0, -5, -6 (Sheet 2 of 6) Revision Date Summary of Revisions—SEL-387-0, -5, -6 Appendix G ➤ Corrected DNP Index references. This manual differs from the previous versions as follows:...
  • Page 467 Firmware and Manual Versions A.11 Instruction Manual Table A.6 Manual Revision History—SEL-387-0, -5, -6 (Sheet 3 of 6) Revision Date Summary of Revisions—SEL-387-0, -5, -6 Appendix G ➤ Modified Table G.3. ➤ Added information about Analogs 219–242. ➤ Updated Table G.4.
  • Page 468 Section 3 ➤ Deleted figures. ➤ Made typographical corrections. Section 4 ➤ Deleted the Relay Word bit table that applied to the SEL-387-0 Relay. Section 6 ➤ Deleted repetitious text. ➤ Corrected some defaults in Settings Sheets Example. Section 7 ➤...

  • Page 469: Appendix B: Sel-300 Series Relays Firmware Upgrade Instructions

    Made typographical corrections in the Settings Sheets and Settings Sheets Example. Section 7 ➤ Included notation about the number of events in an SEL-387-0 Relay event report. Section 8 ➤ Included notation about the number of events in an SEL-387-0 Relay event report.

  • Page 470: Table A.7 Manual Revision History-Sel-387-0 Relay

    Table A.6 Manual Revision History—SEL-387-0, -5, -6 (Sheet 6 of 6) Revision Date Summary of Revisions—SEL-387-0, -5, -6 Section 9 ➤ Included notation about the number of events in an SEL-387-0 Relay event report. Section 10 ➤ Added a test of harmonic restraint related to new firmware. Appendix A ➤...
  • Page 471 Firmware and Manual Versions A.15 Instruction Manual Table A.7 Manual Revision History—SEL-387-0 Relay (Sheet 2 of 4) Revision Date Summary of Revisions—SEL-387-0 Relay Section 1 ➤ Added introductory paragraph about CTs. ➤ Referenced SEL Application Guide 99-07. ➤ Corrected data in AC Current Inputs in General Specifications.
  • Page 472 A.16 Firmware and Manual Versions Instruction Manual Table A.7 Manual Revision History—SEL-387-0 Relay (Sheet 3 of 4) Revision Date Summary of Revisions—SEL-387-0 Relay Appendix A ➤ Listed firmware version SEL-387-R105, which supports battery-backed clock hardware change. This manual differs from the previous versions as follows:...

  • Page 473: Table A.8 Manual Revision History-Sel-387-5, -6 Relay

    This manual differs from the previous versions as follows: 20010330 Reissued Entire Manual as SEL-387-0, -5, -6 Instruction Manual ➤ Merged SEL-387-0 Instruction Manual into the SEL-387-5, -6 Instruction Manual to create the SEL-387-0, -5, -6 Instruction Manual. Section 1 ➤...
  • Page 474 Reordered steps. Appendix E ➤ Corrected CHISTORY command explanation. Appendix F ➤ Corrected name of Appendix F: Unsolicited SER Protocol. Appendix G ➤ Created Appendix G: Distributed Network Protocol (DNP) 3.00. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 475 Added CTS to Row 14 of Table 5.8 and Table 5.9. Section 7 ➤ Added discussion of STA C command. Section 9 ➤ Specified acceptable alias setting format and characters for alias names. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 476 Appendix F ➤ Updated text throughout. This manual differs from the previous versions as follows: 990721 Appendix A ➤ Updated to reflect new firmware (SEL-387-5, R301). ➤ 990518 Initial release (SEL-387-5, R300). SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 477: Required Equipment

    Serial communications cable (SEL Cable C234A or equivalent) ➤ Disk containing the firmware upgrade (.s19 or .exe) file ➤ Firmware Upgrade Instructions (these instructions) Optional Equipment These items help you manage relay settings and understand firmware upgrade procedures: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 478: Upgrade Procedure

    1K Xmodem or Xmodem protocol. Step 1. Connect a serial communications cable to the computer serial port: a. Check the computer for a label identifying the serial communications ports. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 479: Figure B.1 Establishing A Connection

    B.3) that correspond to the relay settings you recorded in Step 9 on page B.2. If the computer settings do not match the relay settings, change the computer settings to match the relay settings. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 480: Figure B.3 Determining Communications Parameters For The Computer

    Press <Enter>. In the terminal emulation window, you should see the Access Level 0 prompt, similar to that in Figure B.5. If this is successful, proceed to C. Save Settings and Other Data on page B.6. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 481: Failure To Connect

    Change the settings in the appropriate list boxes to match the settings you recorded in Step 9 on page B.2 and click OK twice to return to the terminal emulation window. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 482: Figure B.7 Correcting The Communications Parameters

    BOOT Step 1. From the Transfer menu in HyperTerminal, select Capture Text. Step 2. Enter a directory and filename for a text file where you will record the existing relay settings. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 483: Figure B.8 Preparing Hyperterminal For Id Command Display

    Under ASCII Receiving, select the check box to Append line feeds to incoming line ends. Figure B.8 Preparing HyperTerminal for ID Command Display. e. Click OK twice to go back to the terminal emulation window. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 484: Figure B.9 List Of Commands Available In Sel Boot

    FLASH Type : 040 Checksum = 370E Figure B.9 List of Commands Available in SEL BOOT Establish a High-Speed Connection Step 5. Type BAU 38400 <Enter> at the SEL prompt. boot !> SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 485: Figure B.10 Matching Computer To Relay Parameters

    Step 4. Select 1K Xmodem if this protocol is available on the PC. If the computer does not have 1K Xmodem, choose Xmodem. Step 5. Click Receive. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 486: Figure B.11 Example Receive File Dialog Box

    Figure B.13 Downloading Old Firmware Upload New Firmware Step 1. Prepare to load the firmware: a. Insert the disk containing the new firmware into the appropriate disk drive on the computer. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 487 If you see no indication of a transfer in progress within a few minutes after clicking Send, use the REC command again and reattempt the transfer. After the transfer completes, the relay displays the following: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 488: Figure B.14 Selecting New Firmware To Send To The Relay

    Step 7. Press <Enter> and confirm that the Access Level 0 prompt appears on the computer screen. Step 8. If you see the Access Level 0 prompt, proceed to G. Check Relay Self-Tests on page B.13. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 489: Table B.1 Troubleshooting New Firmware Upload

    Step 1. Type ACC <Enter>. Step 2. Type the Access Level 1 password and press <Enter>. You will see the Access Level 1 prompt. => Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 490 Step 4. Go to H. Verify Settings, Calibration, Status, Breaker Wear, and Metering on page B.15. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 491 Verify Settings, Calibration, Status, Breaker Wear, and Metering Step 1. Use the ACC and 2AC commands with the associated passwords to enter Access Level 2. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 492: Figure B.16 Preparing Hyperterminal For Id Command Display

    For a mismatch between a displayed FID or part number, and the firmware envelope label, reattempt the upgrade or contact the factory for assistance. Step 5. Type STA <Enter> and verify that all relay self-test parameters are within tolerance. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 493 SEL communications processor and the relay. Failure to perform this step can result in automatic data collection failure when cycling communications processor power. The relay is now ready for your commissioning procedure. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
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  • Page 495: Appendix Csel Distributed Port Switch Protocol (Lmd)

    ADDR: Two character ASCII address. The range is “01” to “99.” The default is “01.” SETTLE: Time in seconds that transmission is delayed after the request to send (RTS line) asserts. This delay accommodates transmitters with a slow rise time. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 496: Operation

    Step 6. Enter the sequence Ctrl + X QUIT <CR> before entering the prefix character if all relays in the multidrop network do not have the same prefix setting. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 497: Appendix D: Configuration, Fast Meter, And Fast Operate Commands

    SEL Application Guide AG95-10, Configuration and Fast Meter Messages, is a comprehensive description of the SEL binary messages. Below is a description of the messages provided in the SEL-387 Relay. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 498: Message Lists

    Request to Relay (ASCII) Response From Relay ASCII Firmware ID String and Terminal ID Setting (TID) ASCII Names of Relay Word bits ASCII Names of bits in the Fast Meter Status Byte SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 499: Message Definitions

    0004 53484F20470D (SHO G<CR>) Check the Global settings xxxx SEL protocol, (SEL-387-0 = 0100 Fast Meter, SEL-5, SEL-6 = 0300 Fast Meter and Fast Message xxxx LMD protocol, (SEL-387-0 = 0101 Fast Meter, SEL-5, SEL-6 = 0301 Fast Meter and Fast Message...
  • Page 500 Scale factor type (4-byte float) 00CA Scale factor offset (Winding 1) 494257310000 (IBW1) 00CA 494357310000 (ICW1) 00CA 494157320000 (IAW2) 00CE (Winding 2) 494257320000 (IBW2) 00CE 494357320000 (ICW2) 00CE 494157330000 (IAW3) 00D2 (Winding 3) 494257330000 (IBW3) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 501 IAW1 IBW1 ICW1 Connection byte–Based on PHROT and W2CT settings (Calculation block #2) Current calculation only FFFF No skew adjustment FFFF No RS offset FFFF No XS offset IAW2 IBW2 ICW2 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 502: A5D1 Request

    Scale factor (200 * Inom) * CTR3 Winding 3 xxxxxxxx Scale factor (200 * Inom) * CTR4 Winding 4 3C23D70A Scale factor (1/100) Reserved Checksum A5D1 Request In response to the A5D1 request, the relay sends the following block. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 503: A5B9 Fast Meter Status Acknowledge Message

    Analog channel offset FFFF No time stamp FFFF No digital data 494157310000 (IAW1) Analog channel name Analog channel type -- double precision float No scale factor 0000 No scale factor offset 494257310000 (IBW1) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 504 Description 0000 494357310000 (ICW1) 0000 334932573100 (3I2W1) 0000 495257310000 (IRW1) 0000 494157320000 (IAW2) 0000 494257320000 (IBW2) 0000 494357320000 (ICW2) 0000 334932573200 (3I2W2) 0000 495257320000 (IRW2) 0000 494157330000 (IAW3) 0000 494257330000 (IBW3) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 505 Fast Meter Configuration Messages (Sheet 3 of 3) Data Description 0000 494357330000 (ICW3) 0000 334932573300 (3I2W3) 0000 495257330000 (IRW3) 0000 494157340000 (IAW4) 0000 494257340000 (IBW4) 0000 494357340000 (ICW4) 0000 334932573400 (3I2W4) 0000 495257340000 (IRW4) 0000 Reserved Checksum Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 506: A5D2/A5D3 Demand/Peak Demand

    Clear remote bit RB3 Set remote bit RB3 Pulse remote bit RB3 Clear remote bit RB4 Set remote bit RB4 Pulse remote bit RB4 Clear remote bit RB5 Set remote bit RB5 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 507: A5E0 Fast Operate

    Clear remote bit RB16 Set remote bit RB16 Pulse remote bit RB16 Reserved pad Checksum A5E0 Fast Operate The external device sends the following message to perform a remote bit operation (set, clear, pulse). Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 508: A5E3 Fast Operate

    Table D.12 A5ED Fast Operate Reset Command Data Description A5ED Command Message Length - always 6 Operate Code (e.g., "00" for target reset, "TAR R") Operate Validation - (4 + Operate Code) + 1 Checksum SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 509: A546 Temperature

    In response to the DNA command, the relay sends names of the Relay Word bits, as described below: <STX> (STX character, 02) "xxxxxx","xxxxxx","xxxxxx","xxxxxx","xxxxxx","xxxxxx","xxxxxx","xxxxxx","yyyy"<CR> ... (49 more [50 more for SEL-387-6 Relay], where xxxxxx is a relay word element name) <ETX> (ETX character, 03) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 510: Bna Command

    SNS message for the SEL-387-5 is: <STX>"xxxx","xxxx","xxxx","xxxx","xxxx","xxxx","xxxx","xxxx","yyyy"<CR> "xxxx","xxxx","xxxx","xxxx","xxxx","xxxx","xxxx","xxxx","yyyy"<CR> "xxxx","xxxx","xxxx",<CR><ETX> where: = a string from the settings in SER (SER1, SER2, SER3, xxxx and SER4). = the 4-byte ASCII representation of the checksum. yyyy SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 511: Appendix E: Compressed Ascii Commands

    Transformer 3 daily thermal report CTHERMAL H 1 Transformer 1 hourly thermal report CTHERMAL H 2 Transformer 2 hourly thermal report CTHERMAL H 3 Transformer 3 hourly thermal report CTHERMAL T RTD input report Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 512: Cascii Command-General Format

    String of maximum m characters (e.g., 10S for a 10-character string) = the 4-byte ASCII representation of the hex checksum for yyyy the line. A Compressed ASCII command may require multiple header and data configuration lines. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 513 If a Compressed ASCII request is made for data that are not available, (e.g., the history buffer is empty or invalid event request), the relay responds with the following message: <STX>"No Data Available","0668"<CR><ETX> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 514: Sel-387-0, -5 Relay

    Compressed ASCII Commands SEL-387-0, -5 Relay SEL-387-0, -5 Relay CASCII Command Display the SEL-387 Compressed ASCII configuration message by sending: CAS <Enter> The SEL-387-5 sends (the SEL-387-0 sends a similar response): <STX> "CAS",7,"yyyy"<CR> "CST",1,"yyyy"<CR> "1H","FID","yyyy"<CR> "1D","40S","yyyy"<CR> "7H","MONTH_","DAY_","YEAR_","HOUR_","MIN_","SEC_","MSEC_","yyyy"<CR> "1D","I","I","I","I","I","I","I","yyyy"<CR> "26H","IAW1","IBW1","ICW1","IAW2","IBW2","ICW2","IAW3","IBW3","ICW3","IAW4", "IBW4","ICW4","+5V_PS","+5V_REG","-5V_REG","+12V_PS","-12V_PS","+15V_PS", "-15V_PS","TEMP","RAM","ROM","A/D","CR_RAM","EEPROM","IO_BRD","yyyy"<CR>...

  • Page 515: Cbreaker Command

    The CEV report contains every analog and digital element found in an EVE report, and displays the information in Compressed ASCII format by sending: CEV [DIF R] [n Sx Ly[–[w]] C] <Enter> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 516: Cevent Winding Report (Default)

    “>”. = relay element data, in hex ASCII, corresponding to the RLY_BITS DIGITAL_ELEMENT_NAMES = text refers to the current settings of the relay as described SETTINGS in the event report section. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 517: Cevent Differential Report

    = the data values corresponding to the first line labels. xxxx = the 4-byte ASCII representation of the hex checksum for yyyy the line. CSTATUS Command Display the SEL-387 Compressed ASCII status report by sending: CST <Enter> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 518: Ctarget Command

    = the labels for the given target. LLLL = 0 or 1 corresponding to the first line labels. = the 4-byte ASCII representation of the hex checksum for yyyy the line. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 519: Sel-387-6 Relay

    "IBW4","ICW4","VDC","TRIG","NAMES OF ELEMENTS IN ALL RELAY WORD ROWS", "yyyy"<CR> "60D","F","F","F","F","F","F","F","F","F","F","F","F","F","1S","96S","yyyy"<CR> "CEV C",1,"yyyy"<CR> "1H","FID","yyyy"<CR> "1D","40S","yyyy"<CR> "7H","MONTH_","DAY_","YEAR_","HOUR_","MIN_","SEC_","MSEC_","yyyy"<CR> "1D","I","I","I","I","I","I","I","yyyy"<CR> "5H","FREQ","SAM/CYC_A","SAM/CYC_D","NUM_OF_CYC","EVENT","yyyy"<CR> "1D","F","I","I","F","7S","yyyy"<CR> "15H","IAW1","IBW1","ICW1","IAW2","IBW2","ICW2","IAW3","IBW3","ICW3","IAW4", "IBW4","ICW4","VDC","TRIG","NAMES OF ELEMENTS IN ALL RELAY WORD ROWS", "yyyy"<CR> "120D","F","F","F","F","F","F","F","F","F","F","F","F","F","1S","96S","yyyy"<CR> (Continued on next page) Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 520 “#” is the number of subsequent ASCII names. For example, "21H" identifies a header line with 21 ASCII labels. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 521: Cbreaker Command

    The CEV report contains every analog and digital element found in an EVE report, and displays the information in Compressed ASCII format by sending: CEV [DIF R] [n Sx Ly[–[w]] C] <Enter> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 522: Cevent Winding Report (Default)

    “>”. = relay element data, in hex ASCII, corresponding to the RLY_BITS DIGITAL_ELEMENT_NAMES = text refers to the current settings of the relay as described SETTINGS in the event report section. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 523: Cevent Differential Report

    = the data values corresponding to the first line labels. xxxx = the 4-byte ASCII representation of the hex checksum for yyyy the line. CSTATUS Command Display the SEL-387 Compressed ASCII status report by sending: CST <Enter> The relay sends: Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 524: Ctarget Command

    Phase A, B or C. CTH Event Report If no parameters are specified on the command line, all archived thermal event reports are displayed. To obtain thermal event reports, send the following: SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 525: Cth Daily Profile Data Report

    <STX> "MONTH_","DAY_","YEAR_","HOUR_","MIN_","SEC_","MSEC_","yyyy"<CR> xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,"yyyy"<CR> "MONTH_","DAY_","YEAR_","Ambient","Calc TopOil","Msrd TopOil","Hot Spot","Load", "Max FAA","RLOL","TLOL",,"yyyy"<CR> xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,"yyyy"<CR> …(previous line repeated until all archive data is listed) <ETX> If no data are available, the relay replies: "No Data Available","0668"<CR> Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 526: Cth Hourly Profile Data Report

    = the 4-byte ASCII representation of the checksum for the yyyy line. CTH Temperature <STX> "MONTH_","DAY_","YEAR_","HOUR_","MIN_","SEC_","MSEC_","yyyy"<CR> xxxx,xxxx,xxxx,xxxx,xxxx,xxx,xxxx,"yyyy"<CR> Input Data Report "Input#","Temp","yyyy"<CR> xxxx,xxxx,"yyyy"<CR> …(previous line repeated for each input available) <ETX> SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 527 If no data are available the relay replies: "No Data Available","0668"<CR> where: = data values corresponding to the first line labels. xxxx = the 4-byte ASCII representation of the checksum for the yyyy line Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
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  • Page 529: Appendix F Unsolicited Ser Protocol

    Appendix F Unsolicited SER Protocol Overview This appendix describes special binary Sequential Events Recorder (SER) NOTE: The SEL-387-0 Relay does messages that are not included in Section 9: Event Reports and SER of the not include this feature. instruction manual. Devices with embedded processing capability can use these messages to enable and accept unsolicited binary SER messages from the SEL-387.

  • Page 530: Recommended Message Usage

    SER messages, if additional SER records are available. When the response number reaches three, it wraps around to zero on the next increment. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 531: Functions And Function Codes

    If the SER1, SER2, SER3, or SER4 settings subsequently change to any non- NA value and SER entries trigger, unsolicited SER messages will generate with the new SER records. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 532: 0X02 - Function Code: Disable Unsolicited Data Transfer

    Response number (XX = 00, 01, 02, 03, 01, 02...) 00000000 Four bytes reserved for future use as a return routing address dddd Two-byte day of year (1–366) yyyy Two-byte, four-digit year (e.g., 1999 or 07CF hex) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 533: Acknowledge Message

    LSB set (except another Message acknowledge message) and which passes all other checks, including the CRC. The acknowledge message format is shown below. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 534: Examples

    SER message: A5 46 0E 00 00 00 00 00 00 98 00 XX cccc (XX is the same as the response number in the unsolicited SER message to which it responds.) SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 535: Notes

    16 seconds. The relay always requests acknowledgment in unsolicited SER messages (LSB of the status byte is set). Unsolicited SER messages can be enabled on multiple ports simultaneously. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 536 This page intentionally left blank...

  • Page 537: Appendix G: Distributed Network Protocol

    (Relay Word), contact I/O, targets, Sequential Events Recorder, breaker monitor, relay summary event reports, settings groups, and time synchronization. The SEL-387 Relay supports DNP point remapping and virtual terminal object. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 538: Configuration

    (i.e., MAXDLY and MINDLY). In addition, the SEL-387 monitors received data and treats receipt of data as a DCD indication. This allows RTS to be looped back to CTS in cases where the external transceiver does not support SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 539 DCD indication. The timing is the same as above, but PREDLY functions as if it were set to 0, and RTS is not actually deasserted after the PSTDLY time delay expires. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 540: Data-Link Operation

    This hold-off time will be a random value between the MINDLY and MAXDLY setting values. The hold-off time is random, which prevents multiple devices waiting to communicate on the network from continually colliding. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 541: Data Access Method

    The master never polls and Set CLASS to a non-zero value, relies on unsolicited reports only. Set UNSOL = Y, Set NUMEVE and AGEEVE according to how often messages are desired to be sent. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 542: Dnp3 Documentation

    Reports binary input change events Only non-time-tagged when no specific variation requested Reports time-tagged binary input change Never events when no specific variation requested Sends unsolicited responses Configurable with unsolicited message enable settings SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 543: Object Table

    0,1,7,8 16-Bit Binary Counter Without Flag 0,1,6,7,8 0,1,7,8 32-Bit Delta Counter Without Flag 16-Bit Delta Counter Without Flag Frozen Counter-All Variations 32-Bit Frozen Counter 16-Bit Frozen Counter 32-Bit Frozen Delta Counter Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 544 32-Bit Frozen Counter Event With Time 16-Bit Frozen Counter Event With Time 32-Bit Frozen Delta Counter Event With Time 16-Bit Frozen Delta Counter Event With Time Analog Input-All Variations 0,1,6,7,8 32-Bit Analog Input 0,1,6,7,8 0,1,7,8 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 545 Time and Date CTO Unsynchronized Time and Date CTO 07, quantity = 1 Time Delay-All Variations Time Delay Coarse Time Delay Fine 07, quantity = 1 All Classes of Data 1,20,21 Class 0 Data Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 546: Data Map

    Relay diagnostic failure. 01,02 1618 Relay diagnostic warning. 01,02 1619 New relay event available. 01,02 1620 Settings change or relay restart. 10,12 00–15 Remote bits RB1–RB16. 10,12 Pulse Open breaker 1 command OC. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 547 IB magnitude and angle for Wdg. 2. 30,32 16,17 IC magnitude and angle for Wdg. 2. 30,32 18,19 3I1 magnitude and angle for Wdg. 2. 30,32 20,21 3I2 magnitude and angle for Wdg. 2. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 548 Peak demand 312 mag. for Wdg.1. 94–96 Peak demand 312 time in DNP format for Wdg.1. 30,32 Peak demand IR mag. for Wdg.1. 98–100 Peak demand IR time in DNP format for Wdg.1. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 549 Breaker contact wear percentage (A, B, C) for Wdg. 2. 30,32 167–169 Breaker contact wear percentage (A, B, C) for Wdg. 3. 30,32 170–172 Breaker contact wear percentage (A, B, C) for Wdg. 4. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 550: Table G.6 Sel-387-5 And Sel-387-6 Relays Continuation Of Wye/Delta Dnp Data Map

    Sequential Events Recorder (SER) and carry the time stamp of actual occurrence. Add 800 to the Binary Input Point column to get the point mapping for points 800–1599. Static reads from these inputs will show the SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 551 RTD Failure Mode Error Code Open (Temp < –50°C) 7FFFh Short (Temp > 250°C) 8000h Fiber-Optic Communications Failure 7FFCh External RTD Unit Status Failure 7FF8h RTD Channel Not Used 7FF0h Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 552: Table G.7 Sel-387-5, -6 Relay Binary Input Lookup Table

    50P22 51P2 51P2T 51P2R PDEM2 39–32 50A23 50B23 50C23 50P23 50A24 50B24 50C24 50P24 47–40 50N21 50N21T 50N22 51N2 51N2T 51N2R NDEM2 55–48 50Q21 50Q21T 50Q22 51Q2 51Q2T 51Q2R QDEM2 63–56 SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 553 OUT214 OUT215 OUT216 351–344 OUT301 OUT302 OUT303 OUT304 OUT305 OUT306 OUT307 OUT308 359–352 OUT309 OUT310 OUT311 OUT312 OUT313 OUT314 OUT315 OUT316 367–360 375–368 LB10 LB11 LB12 LB13 LB14 LB15 LB16 383–376 Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...

  • Page 554: Relay Summary Event Data

    If no further event summaries are available, attempting to load the next event will cause the event type analog (point 201) to be set to 0. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

  • Page 555: Point Remapping

    If a single blank line is entered as the first line, the remapping is disabled for that type (i.e., the relay uses the default Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 556 +/– 10 counts. Similarly, the value that was at index 1 (now at index 3) is now scaled by 1 and uses a dead-band of +/– 15 counts. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 557 Master using the Virtual Port number by responding to a Master READ (FC = 1) request of object 113. Messages can flow in either direction at any time, however the relay sends messages only at the request of Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 558 DNP port, but you will need the appropriate access levels for setting changes and breaker operations. A virtual terminal session times out in the same way as an ASCII session. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 559 Number of data-link retries (0 for no confirm, 1–15) DRETRY Allow Unsolicited reporting (Y, N) UNSOL Enable unsolicited messages on power-up (Y, N) PUNSOL Address of master to report to (0–65534) REPADR Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 560 2 of 2 SEL-387-5, -6 Relay DNP Port—SET P Settings Sheet Date________________ Number of events to transmit on (1–200) NUMEVE = Age of oldest event to force transmit on, seconds (0.0–60.0) AGEEVE SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 561 Display demand metering data, in primary amperes. Enter number k to scroll metering k times on screen. MET DIF k Display differential metering data, in multiples of TAP. Enter number k to scroll metering k times on screen. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 562 Retrives daily profile data from day x to day y. If x and y are omitted, retrieves entire profile data. If x or y is omitted, retrieves profile from day x (y) to present. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 563 Switch to Setting Group n. (Will not function if any SSn Relay Word bit is asserted.) HIS n Show brief summary of the n latest event reports. HIS C Clear the brief summary and corresponding standard event reports. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 564 Displays cumulative and individual through-fault event data. All the most recent individual events are displayed, up to 1200. TFE C Clears/resets cumulative and individual through-fault event data. TFE P Preloads cumulative through-fault event data. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 565 Enter date in this manner if Date Format setting DATE_F = MDY. DAT y/m/d Enter date in this manner if Date Format setting DATE_F = YMD. EVE n Show standard event report number n, with 1/4-cycle resolution. Attach S8 for 1/8-cycle resolution. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 566 RESET51 command resets all inverse-time O/C elements for the four windings, including the Combined Overcurrent elements. SER d1 Show rows in the Sequential Events Recorder (SER) event report for date d1. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...
  • Page 567 Clears the hourly profile, daily profile, and thermal event data archives and resets the total loss-of-life values. THE T Displays the four temperature inputs received from an SEL-2032, an SEL-2030, or an SEL-2020 Communications Processor. Instruction Manual SEL-387-0, -5, -6 Relay Date Code 20050919...
  • Page 568 Level 2. The screen prompt is: =>> Show or set time (24 hour time). Show time presently in the relay by entering just TIM. Example time 22:47:36 is entered with command TIM 22:47:36. Trigger an event report. SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20050919...

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