Schweitzer Engineering Laboratories SEL-351R Quick Start Installation And User Manual
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Schweitzer Engineering Laboratories SEL-351R Quick Start Installation And User Manual

Recloser control
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SEL-351R
Recloser Control
Quick-Start Installation
and User's Guide
20070802
*PM351RQS-01*
Courtesy of NationalSwitchgear.com

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  • Page 1 SEL-351R Recloser Control Quick-Start Installation and User’s Guide 20070802 *PM351RQS-01* Courtesy of NationalSwitchgear.com...
  • 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

    Important Notes for Detail 6 ........................1.24 Section 2: Communications Overview ................................. 2.1 Getting Started With Communications......................2.1 Communications Connections Example......................2.2 Serial Ports............................... 2.3 Serial Port Default Settings ..........................2.3 Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 4 Factory EZ Settings............................4.3 Settings Descriptions ............................4.6 Settings Groups 1 (Main) and 2 (Alternate) EZ Settings .................4.6 Global EZ Settings..........................4.22 EZ Settings Sheets for the SEL-351R Recloser Control ................SET.1 Recloser Curve Designations........................SET.8 Section 5: Testing Overview................................5.1 AC AMMETER on the Type MET Control Tester ..................5.2 Testing In-Service Control..........................5.2...
  • Page 5 Testing the 120 Vac (GFCI) Convenience Outlet .................... 7.1 Factory Assistance............................7.1 Section 8: Specifications Specifications ..............................8.2 Appendix A: Quick-Start Guide Change Information Appendix B: Reference Replaced Figures .............................B.1 Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
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  • Page 7: List Of Tables

    Ratings for User-Available Voltage Sources (see Figure 1.9) ..........1.13 Table 1.2 Control Cable Receptacle Pin Descriptions ................. 1.21 Table 1.3 Replacement Fuses for the SEL-351R Recloser Control (see Figure 1.13)......1.22 Table 2.1 EIA-232 Pinout Functions...................... 2.3 Table 2.2 EIA-485 Pinout Functions......................
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  • Page 9: List Of Figures

    Figure 1.13 SEL-351R Recloser Control Factory-Installed Wiring Inside the Enclosure ...... 1.17 Figure 1.14 Current Polarity From Recloser Primary to SEL-351R Recloser Control Current Inputs... 1.19 Figure 1.15 User Terminal Block Wiring or Setting Changes Accommodate All Possible Primary Connections to the Recloser (to keep consistent with SEL-351R Recloser Control current channel designations)..
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  • Page 11: Preface

    Quick-Start Installation and User’s Guide This SEL-351R Recloser Control Quick-Start Installation and User's Guide helps you install, communicate with, set, and test the SEL-351R in its EZ (“easy”) mode of operation. The EZ mode performs traditional recloser control functions and operations.

  • Page 12: Conventions

    Recloser control responses visible on the PC screen. Safety Information This SEL-351R Quick-Start Installation and User's Guide does not cover all of the possible conditions or circumstances that can occur during the installation, operation, or testing of the SEL-351R. If additional information is...
  • Page 13 Keep the following safety concerns in mind when working with your SEL-351R. CAUTION CAUTION The SEL-351R contains devices Do not connect this control to an sensitive to Electrostatic Discharge energized recloser until all control (ESD). When working on the relay...
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  • Page 15: Section 1: Installation

    CVE, CXE, CZE, VSA). ➤ Extra Detail Compatibility Install the SEL-351R Recloser Control in new or retrofit recloser installations ® in place of Kyle Form 3, 3A, 4, 4A, 4C, and Type FXA and FXB controls. The SEL-351R is compatible with Cooper three-phase reclosers (with 24 Vdc trip/close circuits) that are compatible with the previously mentioned Kyle controls.

  • Page 16: Reclosers With Internal Battery Charging Transformers

    Accessories can be mounted on the back panel, above the terminal block. See Figure 1.10 for more details. Control Cable The SEL-351R uses the same control cable that connects a Kyle Form 3, 3A, 4, 4A, 4C, or Type FXA or FXB control to a Cooper three-phase recloser. ➤ Knockout 7/8"...

  • Page 17: Installation Step 1: Mount The Enclosure

    (511.2 mm) Traditional drill plan 18" (457.2 mm) Figure 1.3 SEL-351R Recloser Control Dimensions and Mounting Drill Plan Important Notes for 1. Use either of the two drill plans detailed in Figure 1.3. The traditional drill plan (20-1/8 inches on center) is for retrofits of Installation Step 1 single-size Kyle enclosures–no extra drilling of the pole or...

  • Page 18: Installation Step 2: Ground The Enclosure

    Pole Pole Figure 1.4 SEL-351R Customer Ground Connection to Required System Grounding Important Notes for 1. All devices interfacing to the SEL-351R must be connected to the same pole ground. Figure 1.4 shows a suggested method of Installation Step 2 making these connections.

  • Page 19: Installation Step 3: Connect The Battery

    2" 1-2/10" (1 vent plug installed) (50.8 mm) (30.5 mm) Figure 1.5 SEL-351R Recloser Control Grounding Lug Location and Other Dimensional Information (bottom view) Installation Step 3: Connect the Battery separable FRONT PANEL STILL DARK! The front panel is still dark after connector connecting the battery.

  • Page 20: Installation Step 4: Wake Up The Control

    (–) terminal of one 12 Vdc battery to the (+) terminal of the other 12 Vdc battery to make an effective 24 Vdc battery. Installation Step 4: Wake Up the Control Press the front-panel {WAKE UP} operator control, and the SEL-351R turns on. The following should be observed: ➤...

  • Page 21: Installation Step 6: Connect The 120 Vac Power

    120 Vac (GFCI) To POWER When 120 Vac is connected to the convenience outlet connector J6 SEL-351R, the front-panel AC SUPPLY LED illuminates. If still extinguished, check fuse in 120 Vac terminal block position 28. The AC SUPPLY LED illuminates if the relay...

  • Page 22: Installation Step 7: Verify Settings And Set Date And Time

    If the {ALTERNATE SETTINGS} operator control pushbutton is accidentally settings have been properly programmed and verified. Refer to pressed (switching the active settings group), the SEL-351R still operates on Section 4: Settings for programming the same settings. Refer to the Factory EZ Settings on page 4.3...

  • Page 23: Installation Step 10: Metering Check (If Recloser Is Closed)

    1.15. In installations where single-phase 120 Vac power is the only voltage brought to the SEL-351R, the instantaneous metering values will display the expected primary value for VA, VB, and VC for assigned voltage input V1, V2, and V3; and VS will be equal to zero (0) or negligible. (See Figure 1.11...

  • Page 24: Option 1: Connect Three-Phase And Synchronism Check Voltage

    Option 1: Connect Three-Phase and Synchronism Check Voltage The SEL-351R has three analog voltage input terminal connections labeled V1, V2, and V3. Wiring to the power system (potential transformer connections and recloser primary bushing connections) can be random, but correct power system “A-B-C”...

  • Page 25: Important Notes For Option

    (rated 120 Vac line-to-neutral) is brought factory-installed jumpers (bringing 120 Vac to voltage input V1) must be separately to the SEL-351R and is also required to provide 120 removed. (There is an exception to Vac to power the unit, then the factory-installed jumpers that...

  • Page 26: Option 2: Monitor Ext. Contacts With 24 Vdc; Power Radio With 12 Vdc

    26). These voltage sources are grounded inside the SEL-351R relay terminal block position 26. module. 3. External control wiring brought into the SEL-351R enclosure WARNING for connection to the extra I/O (output contacts OUT101 through If external voltage is used to energize ALARM and optoisolated inputs IN101 through IN106—see...

  • Page 27: Option 3: Mount Accessories Inside Enclosure

    Figure 1.1 Figure 1.2. When the swing panel is closed, the distance between the back panel of the SEL-351R relay module and the back panel of the SEL-351R enclosure (above the terminal block) is 4 inches (101.6 mm). This does not include space taken up by mounting an accessory panel onto the mounting studs–this would subtract from the 4-inch...

  • Page 28: Detail 1: Factory-Installed Terminal Block Voltage Jumpers

    Detail 1 separately to the SEL-351R unit. The 120 Vac power does not have to come from power system Phase A. Voltage input V1 should be energized, either with the factory-installed jumpers...

  • Page 29: Detail 2: Side Panel (Figure 1.12)

    Cooper reclosers, as further detailed in Figure 1.14. If the SEL-351R is used with a circuit breaker, positions 1–8 would probably need to be rewired on the user side. Figure 1.12 Figure 1.14 show the polarity/non-polarity terminals for the CURRENTS connector J10.

  • Page 30: Figure 1.12 Sel-351R Recloser Control Side Panel

    1.16 Installation Detail 3: Wiring Diagram (Figure 1.13) Figure 1.12 SEL-351R Recloser Control Side Panel Recloser Control Quick-Start Installation and User’s Guide SEL-351R Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 31: Figure 1.13 Sel-351R Recloser Control Factory-Installed Wiring Inside The Enclosure

    Installation 1.17 Detail 3: Wiring Diagram (Figure 1.13) Figure 1.15. Figure 1.13 SEL-351R Recloser Control Factory-Installed Wiring Inside the Enclosure Quick-Start Installation and User’s Guide Recloser Control Date Code 20070802 SEL-351R Courtesy of NationalSwitchgear.com...

  • Page 32: Detail 4: Current Polarity/Recloser Primary Connections

    Detail 4: Current Polarity/ Recloser Primary Connections The SEL-351R has three current inputs I1, I2, and I3 for terminal connections. Wiring to the power system current transformer connections can be random, but correct power system “A-B-C” designation is still needed within the SEL-351R algorithms.

  • Page 33: Figure 1.14 Current Polarity From Recloser Primary To Sel-351R Recloser Control Current Inputs

    Phase Rotation setting in Table 4.3 and in Settings Descriptions on page 4.6. Control Cable Receptacle Figure 1.14 Current Polarity From Recloser Primary to SEL-351R Recloser Control Current Inputs Quick-Start Installation and User’s Guide Recloser Control Date Code 20070802 SEL-351R Courtesy of NationalSwitchgear.com...

  • Page 34: Figure 1.15 User Terminal Block Wiring Or Setting Changes Accommodate All Possible Primary Connections To The Recloser (To Keep Consistent With Sel-351R Recloser Control Current Channel Designations)

    ACB (see Table 4.3). Figure 1.15 User Terminal Block Wiring or Setting Changes Accommodate All Possible Primary Connections to the Recloser (to keep consistent with SEL-351R Recloser Control current channel designations) Recloser Control Quick-Start Installation and User’s Guide SEL-351R Date Code 20070802...

  • Page 35: Detail 5: Control Cable Receptacle And Replacement Fuses

    (not used in control) Close Recloser Ground Monitored Close Circuit Point (not connected) Terminal I1 Current (not connected) Figure 1.16 Control Cable Receptacle (viewed from inside SEL-351R enclosure) Quick-Start Installation and User’s Guide Recloser Control Date Code 20070802 SEL-351R Courtesy of NationalSwitchgear.com...

  • Page 36: Table 1.3 Replacement Fuses For The Sel-351R Recloser Control (See Figure 1.13)

    1.22 Installation Detail 5: Control Cable Receptacle and Replacement Fuses Table 1.3 Replacement Fuses for the SEL-351R Recloser Control (see Figure 1.13) Catalog Fuse Location Ampere Rating Dimensions Manufacturer Purpose Numbers Terminal block 0.125 A 0.197 x 0.787" Bussman GMD-0.125...

  • Page 37: Detail 6: Trip And Close Circuits

    +24 Vdc three-phase motor-operated reclosers (as compared to Figure 1.17) requires a few settings to be modified. Refer to SEL Application Guide AG99-10, Change Logic in SEL-351R Recloser Control for Motor-Operated Reclosers. Trip Coil (52b) monitored trip circuit point (52a)

  • Page 38: Important Notes For Detail

    With contact SW2 open, there is no way to close the recloser until the manual operating lever is reset again– contact SW2 is then closed. Recloser Control Quick-Start Installation and User’s Guide SEL-351R Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 39: Section 2: Communications

    You can access many of the features of the SEL-351R from the front panel; however, some features can only be accessed from one of the serial ports.

  • Page 40: Communications Connections Example

    Other devices useful for automated communications include the SEL-2032, SEL-2030, and SEL-2020 Communications Processors. You can use a variety of terminal emulation programs on your personal computer to communicate with the SEL-351R. Figure 2.1 presents some example SEL-351R communications connections (see Table 2.4...

  • Page 41: Serial Ports

    Port 1. See the front of Section 10 ➤ Serial Port F (front panel) in the SEL-351R Recloser Control Instruction Manual for more information on the Wake-Up Port. An EIA-485 serial communications port is available as an ordering option: ➤...

  • Page 42: Pinout Functions For Port

    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-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 43: Communications Cables

    SEL-351R Computer (25-pin) C227A Contact SEL for information on other available cables. SEL-351R SEL-2032, SEL-2030, or SEL-2020 Communications Processor C273A SEL-351R Modem C222 Cable Diagrams The following cable diagrams correspond to the cables listed in Table 2.4...

  • Page 44: Commands

    *DCE = Data Communications Equipment (Modem, etc.) Figure 2.6 SEL-351R to Modem Commands The following serial port commands are available for use with the SEL-351R. Much of the information available from the serial port commands is also Commands, passwords, or settings...

  • Page 45: Table 2.5 Sel-351R Recloser Control Command Summary

    Communications Commands Table 2.5 SEL-351R Recloser Control Command Summary (Sheet 1 of 3) Corresponding Access Level Description Front-Panel and Available Commands Pushbutton Access Level 0 The only operation that can be performed at Access Level 0 is to go to Access Levels 1 or E. The screen prompt is:...
  • Page 46 Communications Commands Table 2.5 SEL-351R Recloser Control Command Summary (Sheet 2 of 3) Corresponding Access Level Description Front-Panel and Available Commands Pushbutton SER d1 d2 Show rows in the Sequential Events Recorder (SER) event report from date d1 to d2. Entry of dates is dependent on the Date Format setting DATE_F (= MDY or YMD).

  • Page 47: Event Reports

    2.7). CON n Control Relay Word bit RBn, Remote Bit n where n = 1 through 8 (1 through 16 on the SEL-351R-2). Execute CON n, and the relay responds: CONTROL RBn . Then reply with one of the following: SRB n set Remote Bit n (assert RBn).

  • Page 48: Access Levels And Password Protection

    The SEL-351R ships from the factory with default passwords (see Table 2.7). If restrictions are to be placed on personnel using the SEL-351R, the factory default passwords must be changed. Make sure that password information is stored for future reference in the event that it is lost or forgotten.

  • Page 49: Change Passwords

    The recloser control may issue a weak password warning if the new password can be strengthened. Examples of valid, distinct passwords include: SDFdfa098&^# &*LKJoi09873 m,nYIO689&(* Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 50: Disable Passwords

    Password Jumper This subsection provides instructions for putting the password jumper in place if you wish to operate the SEL-351R without password protection or in the event that the passwords are lost or forgotten. When the password jumper (JMP6-A) is ON (in place), password protection is disabled.
  • Page 51 Step 7. Take swing panel with the SEL-351R relay module to an ESD (Electrostatic Discharge) protected work area. Step 8. Remove six hex nuts and shoulder washers on right and left sides of the SEL-351R relay module.
  • Page 52 2.14 Communications Password Jumper Step 21. Reinstall wing nuts in the upper-right and lower-right corners of the swing panel. Step 22. Reenergize the SEL-351R. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 53: Figure 2.7 Jumper, Connector, And Major Component Locations On The Sel-351R Main Board

    Communications 2.15 Password Jumper OUT101 OUT102 OUT103 OUT104 OUT105 OUT106 OUT107 ALARM Figure 2.7 Jumper, Connector, and Major Component Locations on the SEL-351R Main Board Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
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  • Page 55: Section 3: Front-Panel Interface

    Operator Controls U.S. Patents 5,041,737 5,208,545 5,317,472 5,349,490 5,365,396, 5,479,315 5,515,227 5,602,707 5,694,281 Foreign Patents issued and other U.S. and Foreign Patents Pending Figure 3.1 SEL-351R Front-Panel Interface Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 56: Figure 3.2 Sel-351R Front-Panel Interface Configurable Labels

    Opening U.S. Patents 5,041,737 5,208,545 5,317,472 5,349,490 5,365,396, 5,479,315 5,515,227 5,602,707 5,694,281 Foreign Patents issued and other U.S. and Foreign Patents Pending Figure 3.2 SEL-351R Front-Panel Interface Configurable Labels SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802...

  • Page 57: Status And Trip Target Leds

    Most of the Status and Trip Target LEDs and Operator Controls can change function (if desired by the user) by programming at a higher logic level (see the SEL-351R Recloser Control Instruction Manual). This subsection discusses each function as shipped from the factory and inscribed on the front panel.

  • Page 58: Table 3.1 Front-Panel Pushbutton Secondary Functions

    Some of the pushbutton primary functions require a password to execute. Refer to Section 2: Communications for serial port command, access level, and password information. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 59: Pushbutton Primary Functions

    Access None Show SEL-351R event data. Corresponding Password for Primary Access Serial Port Front-Panel Description Function Level Command Access None Show SEL-351R diagnostic and battery information. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 60 None Show or set SEL-351R time. None Show SEL-351R set reclosures and current reclose count. None Show status of internal SEL-351R elements on LCD display and second row of front-panel target LEDs. BRK_MON DISPLAY BRE A None Show recloser wear and trip operation counters.
  • Page 61 Level Command Access Primary Functions ACTIVE GROUP DISPLAY None Show active setting group. CHANGE GRO n Level B Change active setting group to setting group n. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 62: Operator Controls

    Corresponding LED illuminates to indicate the enabled state. NOTE: The {REMOTE ENABLED} operator control is not operable with the factory settings. See the SEL-351R Recloser Control Instruction Manual for information and ideas on how to program this control.
  • Page 63 After the unit wakes up, the front panel illuminates, and the unit can then be interrogated via the front panel or serial port. The {WAKE UP} operator control is also used to turn on the SEL-351R after the battery has been installed (see the installation steps in the Section 1: Installation).
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  • Page 65: Section 4: Settings

    Older electronic control designation: A Newer microprocessor-based control designation: 101 Traditional recloser curve A and curve 101 are the same curve–use either designation in making curve settings in the SEL-351R. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802...

  • Page 66: Table 4.1 Recloser Curve Designations

    User-designed curves (created with the SEL-5804 TOC [Time-Overcurrent] Recloser Curve Designer software package) can be downloaded instead to any of the four user-programmable curves in the SEL-351R. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802...

  • Page 67: Factory Ez Settings

    Settings Factory EZ Settings Factory EZ Settings The SEL-351R ships with the factory EZ settings shown in Table 4.3. The corresponding number references provide a quick way to find the settings (or subsettings) in the Settings Descriptions on page 4.6.
  • Page 68 Time delay–ground high current trip (cycles) 0.00 Activate high current trip–ground High current lockout–phase (Y/N) High current lockout–phase (multiple) Activate high current lockout–phase High current lockout–ground (Y/N) SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 69 Factory defaults cause these settings to be hidden. As a general rule, if a main setting is set to N, the subsettings that follow are hidden. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 70: Settings Descriptions

    CT Ratio 1000.0 1.0–6000.0 The CT Ratio (current transformer [CT] ratio) setting programs the SEL-351R to operate with a recloser CT ratio (e.g., for the common recloser CT ratio 1000:1, the setting CT Ratio = 1000.0 is made). ➤ IMPORTANT: The following settings change in accordance to the CT Ratio setting: Min.
  • Page 71 IMPORTANT: If Min. trip–SEF is set to OFF, then the following settings are all hidden and set to zero (0) and OFF, respectively: Time delay–SEF (No. 12) Operations to lockout–SEF (No. 17) Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 72 This setting is usually set to N, except for special applications. ➤ This setting is hidden and set to N if Fast curve–ground is programmed with a recloser or user curve. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802...
  • Page 73 This is in addition to the built-in 2-cycle time delay. ➤ This setting is hidden and set to zero (0) if Min. trip–SEF (No. 7) is set to OFF. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 74 (provided the {GROUND ENABLED} operator control is on). If absolutely no ground protection is desired (e.g., “switch” mode), Min. trip–ground (No. 6) or Delay curve–ground (No. 11) must also be set to OFF. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 75: Table 4.4 Seconds-To-Cycles Conversion (60 Hz)

    1 (reclosing is disabled; 1 “trip” – 1 = 0 “reclosures”). ➤ If a Reclose interval setting is set to zero (0), the corresponding auto reclose attempt and any following auto reclose attempts are aborted. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 76 VA detecting 120 Vac. ➤ IMPORTANT: If Close power wait time is set to OFF, then the SEL-351R waits indefinitely for 120 Vac to appear, in order for reclosing to proceed–there is no restrictive time window.
  • Page 77 15 cycles–the ground fast curve effectively flattens out at 15 cycles. ➤ This setting is hidden and set to zero (0) if Complex fast curve–ground is set to N. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 78 The Const. time adder–ground delay curve setting adds a constant time to the ground delay curve, if set other than 0 cycles. ➤ This setting is hidden and set to zero (0) if Complex delay curve–ground is set to N. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 79 If set to zero (0), phase high current tripping operates instantaneously. ➤ This setting is hidden and set to zero (0) if High current trip–phase is set to N. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 80 Operations to lockout–ground = 4, then the range for Activate high current trip–ground is from 1 to 4). ➤ This setting is hidden and set to OFF if High current trip–ground is set to N. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802...
  • Page 81 The High current lockout–phase (multiples of Min. trip–phase) setting determines the exceeded phase current thresh- old at which the SEL-351R goes to the lockout state immediately when tripping. Example: If High current lockout–phase = 13.00 (multiples of Min. trip–phase) and Min. trip–phase (No. 5) = 400 Amps primary, then the phase current threshold for phase high current lockout operates at a value equal to: 13.00 •...
  • Page 82 ➤ This setting is hidden and set to OFF if Cold load pickup scheme is set to N or Delay curve–phase (No. 10) is set to OFF. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 83 SEF, depending on the subsidence rates of inrush currents). ➤ This setting is hidden and set to zero (0) if Cold load pickup scheme is set to N. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 84 ➤ This setting is hidden and set to N if Restore min. trips–time limit is set to OFF or Delay curve–ground (No. 11) is set to OFF. SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 85 Incr. Sequence coordination The Sequence coordination setting keeps the SEL-351R in step with a downstream recloser control, preventing the overreaching SEL-351R Fast curve elements from tripping for faults beyond the downstream recloser. Sequence coordination advances the operations counter each time the following sequence occurs: ➤...

  • Page 86: Global Ez Settings

    Recloser Wear Monitor = Y: The recloser wear monitor must be set at a higher level, with the SET G command (see the SEL-351R Recloser Control Instruc- tion Manual). This setting is usually selected if a circuit breaker is connected to the SEL-351R instead of a recloser.

  • Page 87: Table 4.5 Recloser Interrupt Data

    3.8). In this mode, the {LOCK} operator control effectively operates as the other operator controls, with no time delay. Setting Default Range Incr. True three–phase voltage connected If True three–phase voltage is connected to the SEL-351R, the indication provided by A, B, and C FAULT TYPE LEDs is made more secure (see Figure 3.3). Setting Default Range Incr.
  • Page 88 6.5–20.0 Amp–hours The SEL-351R ships with two 2 x 3 cell assemblies each consisting of six 2 V, 8 Ah sealed lead–acid E-cells (Hawker Energy Cyclon 0850-004). The six E-cells are shrink–wrapped to make up a 12 V battery by Rose Electronics, part number EPG–0497. These two...

  • Page 89: Ez Settings Sheets For The Sel-351R Recloser Control

    Date _______________ EZ Settings Sheets for the SEL-351R Recloser Control SET.1 Settings Groups 1 (Main) and 2 (Alternate) EZ Settings (SET EZ n com- of 10 EZ Settings Sheets for the SEL-351R Recloser Control WARNING Anytime an EZ setting is changed, review all the EZ settings before enabling the new settings. Pay close attention in circumstances where a setting was once set to OFF or N and then later turned on (enabled)–other related settings may need to be turned on, though may still be set to OFF or N.
  • Page 90 SET.2 EZ Settings Sheets for the SEL-351R Recloser Control Date________________ of 10 Settings Groups 1 (Main) and 2 (Alternate) EZ Settings (SET EZ n com- Fast Curve–ground (see Recloser Curve Designations) Range: OFF, U1–U5 (US), C1–C5 (IEC) Incr.: -- Time dial–ground fast curve Range: 0.50–15.00 (U1–U5), 0.05–1.00 (C1–C5)
  • Page 91 Date _______________ EZ Settings Sheets for the SEL-351R Recloser Control SET .3 Settings Groups 1 (Main) and 2 (Alternate) EZ Settings (SET EZ n com- of 10 Reclose interval 1 Range: 0–999999.00 cycles Incr.: 0.25 Reclose interval 2 Range: 0–999999.00 cycles Incr.: 0.25...
  • Page 92 SET.4 EZ Settings Sheets for the SEL-351R Recloser Control Date________________ of 10 Settings Groups 1 (Main) and 2 (Alternate) EZ Settings (SET EZ n com- Const. time adder–phase delay curve Range: 0–60.00 cycles Incr.: 0.25 Vert. multiplier–phase delay curve Range: 0.10–2.00 cycles Incr.: 0.01...
  • Page 93 Date _______________ EZ Settings Sheets for the SEL-351R Recloser Control SET .5 Settings Groups 1 (Main) and 2 (Alternate) EZ Settings (SET EZ n com- of 10 High current lockout–phase Range: Y/N Incr.: -- High current lockout–phase (range given for CT Ratio = 1000.0) Range: 1.00–(20000/Min.
  • Page 94 SET.6 EZ Settings Sheets for the SEL-351R Recloser Control Date________________ of 10 Settings Groups 1 (Main) and 2 (Alternate) EZ Settings (SET EZ n com- Sequence coordination Range: Y/N Incr.: -- Ground trip precedence Range: Y/N Incr.: -- Underfrequency loadshedding Range: Y/N Incr.: --...
  • Page 95 Date _______________ EZ Settings Sheets for the SEL-351R Recloser Control SET .7 Global EZ Settings (SET FZ command) of 10 Global EZ Settings (SET FZ command) System Frequency Range: 50, 60 Hz Incr.: -- Phase Rotation Range: ABC, ACB Incr.: --...
  • Page 96 SET.8 EZ Settings Sheets for the SEL-351R Recloser Control Date________________ of 10 Global EZ Settings (SET FZ command) % Battery capacity for sleep Range: 0–100% Incr.: 1 Turn on the 12 V power Range: Y/N Incr.: -- Keep the 12 V power on while asleep Range: Y/N Incr.: --...

  • Page 97: Recloser Curve Designations

    Date _______________ EZ Settings Sheets for the SEL-351R Recloser Control SET .9 Global EZ Settings (SET FZ command) of 10 Recloser Curve Designations Quick Reference for Curve Settings: Fast Curve–phase Fast curve–ground Delay curve–phase Delay curve–ground Use any mix of old and new recloser curve designations when making curve settings.
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  • Page 99: Section 5: Testing

    Section 5 Testing Overview Basic recloser control functions in the SEL-351R Recloser Control can be TEST BATTERY WITH TYPE tested with the Type MET Electronic Recloser Control Tester (Type MET MET CONTROL TESTER? Control Tester). The tests covered in this section are:...

  • Page 100: Ac Ammeter On The Type Met Control Tester

    = 260 Amp primary. Testing In-Service Control The SEL-351R can be removed from service for testing and placed back into service without opening the recloser and interrupting service. However, during the time the SEL-351R is out of service, overcurrent protection provided by this recloser installation is lost.

  • Page 101: Placing The Sel-351R Recloser Control Back In Service

    Step 1. De-energize the SEL-351R. Recloser Control Step 2. Ground the enclosure of the SEL-351R (see Figure 1.4). Step 3. Connect the battery inside the SEL-351R enclosure–be sure of polarity (see Figure 1.6). Step 4. Power the SEL-351R with 120 Vac (see Figure 1.7).

  • Page 102: Type Met Control Tester

    Step 7. Plug the power cord into a 115 Vac grounded outlet. Step 8. Energize the tester by moving switch S-1 (POWER 115 Vac) to ON. Step 9. Connect the Type MET Control Tester to the SEL-351R with an appropriate test cable supplied with the tester.

  • Page 103: Control Operation Tests

    CONTROL STATE RESET LED on the SEL-351R to illuminate. Step 8. Apply a fault to the SEL-351R by setting switch S-2 (FAULT CURRENT) to the TEST position. Observe a number of things going on with the SEL-351R target LEDs: the CONTROL STATE RESET LED extinguishes and the CYCLE LED illuminates;...

  • Page 104: Ground Trip

    Testing Control Operation Tests Step 12. Return the SEL-351R and Type MET Control Tester settings to those specified in Initial Conditions for Control Tests on page 5.3 before proceeding to the next test. Ground Trip Step 1. Check that the SEL-351R and Type MET Control Tester...

  • Page 105: Minimum-Trip Tests

    Testing Minimum-Trip Tests Step 9. Apply a fault to the SEL-351R by setting switch S-2 (FAULT CURRENT) to the TEST position. Observe a number of things going on with the SEL-351R target LEDs: the CONTROL STATE RESET LED extinguishes and the CYCLE LED illuminates;...

  • Page 106: Ground

    (3 x) setting value Min. trip–phase and making setting Operations–phase fast curve = OFF. Step 3. Check to make sure that the SEL-351R is programmed for at least one ground fast curve trip operation (setting Operations– ground fast curve ≥ 1).

  • Page 107: Fast And Delay Curve Checks

    (including RECLOSER SIMULATOR OPEN and rotary switch TR-1 [FAULT CURRENT ADJUST] in most counter-clockwise position). Step 2. Check to make sure that the SEL-351R is programmed for at least one phase fast curve trip operation (setting Operations– phase fast curve ≥ 1).

  • Page 108: Phase Delay Curve

    The CLOSED light on the Type MET Control Tester and the RECLOSER CLOSED LED on the SEL-351R both illuminate. Step 9. Apply a fault to the SEL-351R by setting switch S-2 (FAULT CURRENT) to the TEST position. a. After the SEL-351R trips, set switch S-2 (FAULT CURRENT) back to the OFF position.

  • Page 109: Ground Fast Curve

    (3 x) setting value Min. trip–phase and making setting Operations–phase fast curve = OFF. Step 3. Check to make sure that the SEL-351R is programmed for at least one ground fast curve trip operation (setting Operations– ground fast curve = 1).

  • Page 110: Ground Delay Curve

    Wait a time period equal to the Reset time from lockout setting for the CONTROL STATE RESET LED on the SEL-351R to illuminate. Step 10. Apply a fault to the SEL-351R by setting switch S-2 (FAULT CURRENT) to the TEST position. a. After the SEL-351R trips, set switch S-2 (FAULT CURRENT) back to the OFF position.
  • Page 111 The CLOSED light on the Type MET Control Tester and the RECLOSER CLOSED LED on the SEL-351R both illuminate. Step 10. Apply a fault to the SEL-351R by setting switch S-2 (FAULT CURRENT) to the TEST position. a. After the SEL-351R trips, set switch S-2 (FAULT CURRENT) back to the OFF position.

  • Page 112: Reclosing Tests

    Step 3. Enable reclosing with the {RECLOSE ENABLED} operator control on the SEL-351R (corresponding LED illuminates). Step 4. If the SEL-351R is programmed for more than one phase fast curve trip operation (setting Operations–phase fast curve > 1), the reclose interval time preceding the second (or later) phase fast curve trip operation may be difficult to read on the MET Control Tester timer.

  • Page 113: Reset Times

    CONTROL STATE RESET LED on the SEL-351R to illuminate. Step 9. Apply a fault to the SEL-351R by setting switch S-2 (FAULT CURRENT) to the TEST position. Step 10. Record the reclose interval times as they appear on the timer after each reclose.
  • Page 114 (FAULT CURRENT) can be moved to the OFF position after the RESET LED is observed to illuminate. a. Record this time. Step 16. Return the SEL-351R and Type MET Control Tester settings to those specified in Initial Conditions for Control Tests on page 5.3...

  • Page 115: Section 6: Battery

    Section 6 Battery Overview When 120 Vac power is interrupted to the SEL-351R, a 24 Volt, 8.0 Amp-hour BATTERY LIST sealed lead-acid battery supplies power to the SEL-351R. The temperature- Battery Replacement on page 6.5. compensated battery monitor/charger monitors battery capacity, measures DO NOT TRANSPORT power supply load current, and calculates expected battery run time.

  • Page 116: Battery Status

    , then the battery failed the latest load test. See Battery Press the {STATUS} pushbutton on the front panel of the SEL-351R to access Load Test via Front Panel on page 6.3 more battery status information. With the secondary function up/down arrow Battery Load Test via Serial Port pushbuttons, move to different status screens.

  • Page 117: Battery Status Via Serial Port

    Even if the battery is fully charged, it is still trickle charged and thus, the SEL-351R is still in the charge mode. After the 24-hour timer times out (and the SEL-351R is still in the charge mode), a 1 Amp load is automatically paralleled with the battery for 5 seconds.

  • Page 118: Battery Load Test Via Serial Port

    PROBLEM LED illuminates and stays illuminated until the next battery load test is successful. This load test failure condition can be routed to an output contact if desired (see the SEL-351R Recloser Control Instruction Manual). Battery Load Test via Serial Port Step 1.

  • Page 119: Battery Replacement

    Automatic Battery Load Test. Battery Replacement The battery shipped with the SEL-351R consists of: ➤ Two 2 x 3 cell assemblies each consisting of six 2 V, 8 Ah sealed lead-acid E-cells (Hawker Energy Cyclon 0850-004). NEED TO CHANGE BATTERY...
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  • Page 121: Section 7: Convenience Outlet

    {TEST} button is depressed, DO NOT USE OUTLET. Factory Assistance 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 Telephone: (509) 332-1890 Fax: (509) 332-7990 Internet: www.selinc.com...
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  • Page 123: Specifications

    Section 8 Specifications This section includes the specifications for the SEL-351R Recloser Control. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 124 < 5 ms Note: LCD contrast impaired for temperatures below – 20°C Breaking Capacity (10,000 operations, L/R = 40 ms): (–4°F). The entire SEL-351R unit was operation tested up to +70°C (+158°F). The 20°C (36°F) difference between the +50°C 24 V 0.75 A...
  • Page 125 27 kV Time Dials Current 0.5–15.0, 0.01 steps Break Rating: 12 kA IEC: 0.05–1.00, 0.01 steps Continuous Current Rating: Recloser Curves: 0.10–2.00, 0.01 steps 800 A Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 126 Pickup Ranges 0.00–999,999.00 0.25-cycle steps (reclosing relay cycles: and some programmable timers) 0.00–16,000.00 0.25-cycle steps (some cycles: programmable and other timers) Pickup/Dropout Accuracy: ±0.25 cycle, ±0.1% SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 127: Table A.1 Quick-Start Guide Change Information

    Added V123 Terminal Connections, I123 Terminal Connections, and CT Polarity. Section 5 ➤ Changed VA to V1. Section 6 ➤ Modified description of Automatic Battery Load Test. Appendix B ➤ Added Figure B.2. Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...
  • Page 128 Table 2.5 and edited the CON command. Settings ➤ Added setting “Phantom voltages from (VA,VB,VC,VAB,VBC,VCA,OFF)” (SEL-351R-2 only) to provide more metering capability when three-phase voltages are not available. 20010518 This revision includes the following changes: Replaced Standard Product Warranty section with warranty statement on cover page.

  • Page 129: Appendix B: Reference Replaced Figures

    This figure has been replaced by Figure 1.13. See the explanation in the notes accompanying Figure 1.13. Figure B.1 SEL-351R Factory-Installed Wiring Inside the Enclosure (for units built before June 2001) Quick-Start Installation and User’s Guide SEL-351R Recloser Control Date Code 20070802 Courtesy of NationalSwitchgear.com...

  • Page 130: Figure B.2 Sel-351R Recloser Control Side Panel Prior To October 2004

    Reference Replaced Figures Figure B.2 SEL-351R Recloser Control Side Panel Prior to October 2004 SEL-351R Recloser Control Quick-Start Installation and User’s Guide Date Code 20070802 Courtesy of NationalSwitchgear.com...
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