Page 1 Transformer Protection System Transformer protection and control Instruction manual 345 revision: 1.41 Manual P/N: 1601-9098-A4 GE publication code: GEK-113568C Copyright © 2011 GE Multilin GE Multilin 215 Anderson Avenue, Markham, Ontario Canada L6E 1B3 Tel: (905) 294-6222 Fax: (905) 201-2098 Internet: http://www.GEmultilin.com...
Page 2 The contents of this manual are the property of GE Multilin Inc. This documentation is furnished on license and may not be reproduced in whole or in part without the permission of GE Multilin. The content of this manual is for informational use only and is subject to change without notice.
Page 3: Table Of Contents
Table of Contents 1. INTRODUCTION Overview ..........................1 - 1 Cautions and warnings ....................1 - 2 Description of the 345 Transformer Protection System ......1 - 3 345 order codes......................1 - 7 Specifications........................1 - 8 Password security........................1 - 8 Protection..........................1 - 8 Metering............................1 - 10 Data capture ..........................1 - 10...
Page 4 Connecting to the relay....................3 - 16 Working with setpoints and setpoint files ..............3 - 17 Engaging a device ......................3 - 17 Entering setpoints.......................3 - 17 File support ..........................3 - 18 Using setpoints files......................3 - 18 Downloading and saving setpoints files ..............3 - 19 Adding setpoints files to the environment ..............3 - 20 Creating a new setpoint file ...................3 - 20 Upgrading setpoint files to a new revision .............3 - 21...
Page 5 Clock ............................6 - 6 Password security........................6 - 7 Passwords ..........................6 - 9 Communications ........................6 - 10 RS485 interface ........................6 - 11 Ethernet...........................6 - 11 Modbus............................6 - 12 IEC 60870-5-103 serial communication ..............6 - 13 IEC60870-5-104 protocol....................6 - 27 DNP communication ......................6 - 28 IEC 61850 GOOSE communications................6 - 42 Event recorder ........................6 - 43 Transient recorder .......................6 - 44...
Page 6 APPENDIX. Change notes ........................Appendix - 1 Manual Revision history....................Appendix - 1 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 7: Introduction
Digital Energy Multilin 345 Transformer Protection System Chapter 1: Introduction Introduction Overview The 345 is a microprocessor-based relay for primary and backup protection of small to medium size distribution transformers. The relay provides advanced algorithms for automatic magnitude and phase compensation for more than twenty types of two- winding transformers, good sensitivity for the detection of winding ground faults, and the flexibility to set any of the phase, ground, neutral and negative sequence currents over- current elements.
Page 8: Cautions And Warnings
CAUTIONS AND WARNINGS CHAPTER 1: INTRODUCTION Cautions and warnings Before attempting to install or use this device, it is imperative that all caution and danger indicators in this manual are reviewed to help prevent personal injury, equipment damage, or downtime. The following icons are used to indicate notes, cautions, and dangers. Figure 1: Note icons used in the documentation NOTE CAUTION...
Page 9: Description Of The 345 Transformer Protection System
CHAPTER 1: INTRODUCTION DESCRIPTION OF THE 345 TRANSFORMER PROTECTION SYSTEM Description of the 345 Transformer Protection System Relay functions are controlled by two processors: a Freescale MPC5554 32-bit microprocessor measures all analog signals and digital inputs and controls all output relays;...
Page 10 DESCRIPTION OF THE 345 TRANSFORMER PROTECTION SYSTEM CHAPTER 1: INTRODUCTION Figure 2: Single line diagram Winding 1 Winding 2 50BF 50BF 51_2 51_2 Calculate Calculate Restraint Current Differential Currents 50/87 Calculate BLOCK Harmonics 2nd and 5th Metering 897743.CDR 1–4 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 11 CHAPTER 1: INTRODUCTION DESCRIPTION OF THE 345 TRANSFORMER PROTECTION SYSTEM Table 1: Protection Elements ANSI Device Description Percent Differential 50/87 Instantaneous Differential Restricted Ground Fault Thermal Model Phase Instantaneous Overcurrent Ground/Sensitive Ground Instantaneous Overcurrent Neutral Instantaneous Overcurrent 50BF Breaker Failure Phase Timed Overcurrent Ground/Sensitive Ground Timed Overcurrent Neutral Timed Overcurrent...
Page 12 DESCRIPTION OF THE 345 TRANSFORMER PROTECTION SYSTEM CHAPTER 1: INTRODUCTION Figure 3: Main menu XFMR PERCENT DIFF ACTUAL VALUES ACTUAL VALUES PCNT DIFF FUNCTION A1 STATUS QUICK SETUP ▼ A2 METERING SETPOINTS MINIMUM PICKUP MAINTENANCE A3 RECORDS SLOPE 1 ▼ BREAKPOINT 1 A4 TARGET MESSAGES BREAKPOINT 2...
Page 13: 345 Order Codes
CHAPTER 1: INTRODUCTION 345 ORDER CODES 345 order codes The information to specify a 345 relay is provided in the following order code figure. Figure 4: 345 order codes 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 1–7 Courtesy of NationalSwitchgear.com...
Page 14: Specifications
SPECIFICATIONS CHAPTER 1: INTRODUCTION Specifications Specifications are subject to change without notice. NOTE: NOTE Password security PASSWORD SECURITY Master Reset Password: ........8 to 10 alpha-numeric characters Settings Password:..........3 to 10 alpha-numeric characters for local and remote access Control Password: ..........3 to 10 alpha-numeric characters for local and remote access Protection PHASE/NEUTRAL/GROUND/NEGATIVE SEQUENCE TIMED OVERCURRENT (51P/51N/51G/...
Page 15 CHAPTER 1: INTRODUCTION SPECIFICATIONS PHASE/NEUTRAL/GROUND/NEGATIVE SEQUENCE INSTANTANEOUS OVERCURRENT (50P/50N/50G/50_2) Current:..............Fundamental Pickup Level:............0.05 to 20.00 x CT in steps of 0.01 x CT Dropout Level: ............97 to 99% of Pickup @ I > 1 x CT Pickup - 0.02 x CT @ I <1 x CT Time Delay: ............0.00 to 300.00 sec in steps of 0.01 Operate Time:............<30 ms @ 60Hz (I >...
Page 16: Metering
SPECIFICATIONS CHAPTER 1: INTRODUCTION Metering PHASE & GROUND CURRENT INPUTS CT Primary: ............1 to 6000 A Range:..............0.02 to 20 × CT Input type:.............. 1 A or 5 A (must be specified with order P1G1 or P5G5) Configurable 1 A or 5 A (must be specified with order P0G0) Nominal frequency: ...........
Page 17: Controls
CHAPTER 1: INTRODUCTION SPECIFICATIONS CLOCK Setup:................Date and time Daylight Saving Time IRIG-B:...............Auto-detect (DC shift or Amplitude Modulated) Amplitude modulated: 1 to 10 V pk-pk DC shift: 1 to 10 V DC Input impedance: 40 kOhm ± 10% RTC Accuracy: ± 1 min / month at 25°C Controls LOGIC ELEMENTS Number of logic elements: ......16...
Page 18: Power Supply
SPECIFICATIONS CHAPTER 1: INTRODUCTION FORM-A RELAYS Configuration: ............2 (two) electromechanical Contact material:..........silver-alloy Operate time:............<8 ms Continuous current:........... 10 A Make and carry for 0.2s:........30 A per ANSI C37.90 Break (DC inductive, L/R=40 ms):....24 V / 1 A 48 V / 0.5 A 125 V / 0.3 A 250 V / 0.2 A...
Page 19: Communications
CHAPTER 1: INTRODUCTION SPECIFICATIONS Communications SERIAL RS485 port: ............Opto-coupled Baud rates:.............up to 115 kbps Response time:.............1 ms typical Parity:................None, Odd, Even Protocol: ..............Modbus RTU, DNP 3.0, IEC 60870-5-103 Maximum distance: ...........1200 m (4000 feet) Isolation:..............2 kV ETHERNET (COPPER) Modes:..............10/100 MB (auto-detect) Connector:..............RJ-45 Protocol: ..............Modbus TCP, DNP3.0, iec 60870-5-104, IEC 61850 GOOSE ETHERNET (FIBER)
Page 20 SPECIFICATIONS CHAPTER 1: INTRODUCTION TESTING AND CERTIFICATION TEST REFERENCE STANDARD TEST LEVEL Damped Magnetic Immunity IEC61000-4-10 Level 4 Voltage Dip & interruption IEC61000-4-11 0,40,70,80% dips,250/300cycle interrupts Damped Oscillatory IEC61000-4-12 2.5KV CM, 1KV DM Conducted RF Immunity 0- IEC61000-4-16 Level 4 150khz Voltage Ripple IEC61000-4-17...
Page 21: Installation
Digital Energy Multilin 345 Transformer Protection System Chapter 2: Installation Installation Mechanical installation This section describes the mechanical installation of the 345 system, including dimensions for mounting and information on module withdrawal and insertion. Dimensions The dimensions of the 345 are shown below. Additional dimensions for mounting and panel cutouts are shown in the following sections.
Page 22: Product Identification
MECHANICAL INSTALLATION CHAPTER 2: INSTALLATION Figure 1: 345 dimensions Product identification The product identification label is located on the side panel of the 345. This label indicates the product model, serial number, firmware revision, and date of manufacture. Figure 2: 345 label 2–2 345 TRANSFORMER PROTECTION SYSTEM –...
Page 23: Mounting
CHAPTER 2: INSTALLATION MECHANICAL INSTALLATION Mounting STANDARD PANEL MOUNT The standard panel mount and cutout dimensions are illustrated below. To avoid the potential for personal injury due to fire hazards, ensure the unit is CAUTION: mounted in a safe location and/or within an appropriate enclosure. CAUTION Figure 3: Panel mounting Figure 4: Mounting tabs (optional)
Page 24: Unit Withdrawal And Insertion
MECHANICAL INSTALLATION CHAPTER 2: INSTALLATION From the rear of the panel screw the case into the panel at the 8 screw positions shown above. If added security is required, bend the retaining "V"tabs outward, to about 90°. These tabs are located on the sides of the case and appear as shown above. The relay can now be inserted and can be panel wired.
Page 25 CHAPTER 2: INSTALLATION MECHANICAL INSTALLATION 8 - 32X3/8IN P/HD PHIL BLK GE PART # 1408-0306; (QTY:8) TIGHTENING TORQUE: 15 IN LB THE HANDLE MUST BE ROTATED 90 ⁰ WHILE SLIDING THE 345 DRAW-OUT UNIT INTO THE CAPTIVE UNIT PUSH THE HANDLE DOWN AND TIGHTEN...
Page 26: Electrical Installation
ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION Electrical installation Figure 7: Typical wiring diagram TWO WINDING TRANSFORMER E5 D5 E6 D6 E7 D7 E8 D8 E9 D9 E10 D10 E11 D11 E12 D12 CO TROL POWER chassis Transformer Protection System 52a W1 BKR (CI #1) Winding 1 Breaker GROU D GND STUD...
Page 27: Terminal Identification
CHAPTER 2: INSTALLATION ELECTRICAL INSTALLATION Terminal identification When installing two lugs on one terminal, both lugs should be "right side up" as shown in NOTE: the picture below. This is to ensure the adjacent lower terminal block does not interfere with the lug body.
Page 28 ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION Figure 9: INCORRECT INSTALLATION METHOD (lower lug reversed) 2–8 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 29: Phase Sequence And Transformer Polarity
CHAPTER 2: INSTALLATION ELECTRICAL INSTALLATION Figure 10: Terminal Identification IRIG-B + POWER SUPPLY + INPUT 1 IRIG-B - POWER SUPPLY - RS485 + CHASSIS GND RS485 - INPUT 2 W1 TRIP N/O RS485 COM CHASSIS GND W1 TRIP COM INPUT 3 RESERVED W1 TRIP OPTV RESERVED...
Page 30: Current Inputs
ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION Current inputs The 345 relay has eight (8) channels for AC current inputs, each with an isolating transformer. There are no internal ground connections on the current inputs. Current transformers with 1 to 6000 A primaries may be used. Verify that the relay’s nominal input current of 1 A or 5 A matches the secondary rating CAUTION: of the connected CTs.
Page 31: Zero Sequence Ct Installation
CHAPTER 2: INSTALLATION ELECTRICAL INSTALLATION Figure 11: Ground/Sensitive Ground wiring Transformer Winding 1 Transformer Winding 1 SR345 PHASE CURRENT PHASE CURRENT INPUTS GROUND GROUND GROUND GROUND CURRENT INPUT GROUND CURRENT INPUT GROUND CURRENT INPUT GROUND CURRENT INPUT GROUND CURRENT INPUT...
Page 32: Control Power
ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION Control power Control power supplied to the relay must match the installed power supply range. If the CAUTION: applied voltage does not match, damage to the unit may occur. All grounds MUST be connected for safe, normal operation regardless of control power supply type. CAUTION The label found on the relay specifies its order code or model number.
Page 33: Trip1 And Trip2 Output Relays
CHAPTER 2: INSTALLATION ELECTRICAL INSTALLATION A wet contact has one side connected to the positive terminal of an external DC power supply. The other side of this contact is connected to the required contact input terminal. In addition, the negative side of the external source must be connected to the relay’s DC negative rail at Terminal C11.
Page 34 ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION As long as the current through the Voltage Monitor is above the threshold of the trickle currents (see Technical Specification for Form A output relays), the circuit integrity for the Trip coil is effectively normal. If the Trip coil circuit gets disconnected, or if in general a high resistance is detected in the circuitry, a Trip alarm will be set and the “ALARM”...
Page 35: Serial Communications
CHAPTER 2: INSTALLATION ELECTRICAL INSTALLATION Serial communications Figure 17: RS485 wiring diagram 345 IED TWISTED PAIR SHIELD Z T (*) RS485 + OPTOCOUPLER OPTOCOUPLER RS485 - DATA DATA SCADA, PLC, OR COMMON PERSONAL COMPUTER GROUND THE SHIELD AT THE SCADA/PLC/COMPUTER ONLY OR THE 350C ONLY RS485 + (*) TERMINATING IMPEDANCE AT EACH END...
Page 36: Irig-B
Figure 18: IRIG-B connection GPS SATELLITE SYSTEM GPS CONNECTION OPTIONAL GE MULTILIN IRIG-B 345 RELAY RG58/59 COAXIAL CABLE TIME CODE GENERATOR IRIG-B(+)
Page 37 Digital Energy Multilin 345 Transformer Protection System Chapter 3: Interfaces Interfaces There are two methods of interfacing with the 345 Transformer Protection System. • Interfacing via the relay keypad and display. • Interfacing via the EnerVista SR3 Setup software. This section provides an overview of the interfacing methods available with the 345 using the relay control panels and EnerVista SR3 Setup software.
Page 38 FRONT CONTROL PANEL INTERFACE CHAPTER 3: INTERFACES Front control panel interface Figure 1: Transformer Protection System Front Panel GE Multilin SR345 Transformer Protection System I SERVICE TRIP W1 BREAKER OPE W1 BREAKER OPE TROUBLE ALARM W1 BREAKER CLOSED SETPOI T...
Page 39: Interfaces Front Control Panel Interface
CHAPTER 3: INTERFACES FRONT CONTROL PANEL INTERFACE Description The relay front panel provides an interface with a liquid crystal display, LED status indicators, control keys, and a USB program port. The display and status indicators show the relay information automatically. The control keys are used to select the appropriate message for entering setpoints or displaying measured values.
Page 40 FRONT CONTROL PANEL INTERFACE CHAPTER 3: INTERFACES Figure 3: Typical paging operation from Main Menu selection △ ACTUAL VALUES A1 STATUS ▶ █ █ CLOCK A1 STATUS Back 1 click A2 METERING CONTACT INPUTS A3 RECORDS OUTPUT RELAYS ▽ Back ◁...
Page 41: Led Status Indicators
CHAPTER 3: INTERFACES FRONT CONTROL PANEL INTERFACE The MESSAGE ▲ and MESSAGE ▼ keys scroll through any active conditions in the relay. Diagnostic messages are displayed indicating the state of protection and monitoring elements that are picked up, operating, or latched. LED status indicators •...
Page 42: Relay Messages
FRONT CONTROL PANEL INTERFACE CHAPTER 3: INTERFACES To clarify this ambiguity, the BKR CONNECTED function under SETPOINTS/S2 SYSTEM SETUP/S2 BREAKER should be programmed to an additional contact input. When this additional input is closed, a single 52a or 52b contact will show both breaker states. When the breaker is racked out, this additional breaker connected input should be open.
Page 43: Self-Test Errors
CHAPTER 3: INTERFACES FRONT CONTROL PANEL INTERFACE Self-test errors The relay performs self diagnostics at initialization (after power up), and continuously as a background task to ensure that the hardware and software are functioning correctly. There are two types of self-test warnings indicating either a minor or major problem. Minor problems indicate a problem with the relay that does not compromise protection of the power system.
Page 44: Flash Messages
FRONT CONTROL PANEL INTERFACE CHAPTER 3: INTERFACES Table 2: Major Self-test Errors Self-test Error Latched Description of How Often the Test What to do Message Target Problem is Performed Message? UNIT FAILURE: This warning is Every 5 seconds Contact the factory and caused by a unit provide the failure code.
Page 45: Software Setup
Although settings can be entered manually using the control panel keys, a PC can be used to download setpoints through the communications port. The EnerVista SR3 Setup software is available from GE Multilin to make this as convenient as possible. With EnerVista SR3 Setup running, it is possible to: •...
Page 46: Hardware And Software Requirements
At least 100 MB of hard disk space is available. • At least 256 MB of RAM is installed. The EnerVista SR3 Setup software can be installed from either the GE EnerVista CD or the GE Multilin website at http://www.GEmultilin.com. Installing the...
Page 47 CHAPTER 3: INTERFACES SOFTWARE SETUP EnerVista Launchpad will obtain the latest installation software from the Web or CD and automatically start the installation process. A status window with a progress bar will be shown during the downloading process. Select the complete path, including the new directory name, where the EnerVista SR3 Setup software will be installed.
Page 48 SOFTWARE SETUP CHAPTER 3: INTERFACES If you are going to communicate from your computer to the 345 Relay using the USB port: 10. Plug the USB cable into the USB port on the 345 Relay then into the USB port on your computer.
Page 49: Connecting Enervista Sr3 Setup To The Relay
(for USB communications) or to the RS485 terminals on the back of the device (for RS485 communications). This example demonstrates an USB connection. For RS485 communications, the GE Multilin F485 converter will be required. Refer to the F485 manual for additional details. To configure the relay for Ethernet communications, see Configuring Ethernet Communications below.
Page 50: Using The Quick Connect Feature
SOFTWARE SETUP CHAPTER 3: INTERFACES Using the Quick The Quick Connect button can be used to establish a fast connection through the front Connect feature panel USB port of a 345 relay, or through the Ethernet port. The following window will appear when the QuickConnect button is pressed: As indicated by the window, the "Quick Connect"...
Page 51: Configuring Ethernet Communications
Install and start the latest version of the EnerVista SR3 Setup Setup software (available NOTE from the GE EnerVista CD). See the previous section for the installation procedure. Click on the Device Setup button to open the Device Setup window and click the Add Site button to define a new site.
Page 52: Connecting To The Relay
SOFTWARE SETUP CHAPTER 3: INTERFACES Enter the IP address, slave address, and Modbus port values assigned to the 345 relay (from the S1 RELAY SETUP > COMMUNICATIONS > ETHERNET menu). Click the Read Order Code button to connect to the 345 and upload the order code. If a communications error occurs, ensure that the Ethernet communication values correspond to the relay setting values.
Page 53: Working With Setpoints And Setpoint Files
CHAPTER 3: INTERFACES SOFTWARE SETUP The "Front Panel" settings window will open with a corresponding status indicator on the lower left of the EnerVista SR3 Setup window. If the status indicator is red, verify that the serial, USB, or Ethernet cable is properly connected to the relay, and that the relay has been properly configured for communications (steps described earlier).
Page 54: File Support
SOFTWARE SETUP CHAPTER 3: INTERFACES Clicking the arrow at the end of the box displays a numerical keypad interface that allows the user to enter a value within the setpoint range displayed near the top of the keypad: Click = to exit from the keypad and keep the new value. Click on X to exit from the keypad and retain the old value.
Page 55: Downloading And Saving Setpoints Files
CHAPTER 3: INTERFACES SOFTWARE SETUP Settings files are organized on the basis of file names assigned by the user. A settings file contains data pertaining to the following types of relay settings: • Device Definition • Relay Setup • System Setup •...
Page 56: Adding Setpoints Files To The Environment
SOFTWARE SETUP CHAPTER 3: INTERFACES Adding setpoints files The EnerVista SR3 Setup software provides the capability to review and manage a large to the environment group of setpoint files. Use the following procedure to add an existing file to the list. In the files pane, right-click on Files and select the Add Existing Setting File item as shown: The Open dialog box will appear, prompting the user to select a previously saved...
Page 57: Upgrading Setpoint Files To A New Revision
CHAPTER 3: INTERFACES SOFTWARE SETUP Select the Firmware Version, and Order Code options for the new setpoint file. For future reference, enter some useful information in the Description box to facilitate the identification of the device and the purpose of the file. To select a file name and path for the new file, click the button beside the File Name box.
Page 58: Printing Setpoints And Actual Values
SOFTWARE SETUP CHAPTER 3: INTERFACES For example, if the firmware revision is L0L01MA120.000 (Firmware Revision 1.20) and the current setpoint file revision is 1.10, change the setpoint file revision to “1.2x”. Enter any special comments about the setpoint file in the "Description" field. Select the desired firmware version from the "New File Version"...
Page 59: Printing Actual Values From A Connected Device
CHAPTER 3: INTERFACES SOFTWARE SETUP The process for Offline > Print Preview Settings File is identical to the steps above. Setpoint lists can be printed in the same manner by right clicking on the desired file (in the file list) or device (in the device list) and selecting the Print Device Information or Print Settings File options.
Page 60: Loading Setpoints From A File
To upgrade the 345 firmware, follow the procedures listed in this section. Upon successful completion of this procedure, the 345 will have new firmware installed with the factory default setpoints.The latest firmware files are available from the GE Multilin website at http:// www.GEmultilin.com.
Page 61 CHAPTER 3: INTERFACES SOFTWARE SETUP The EnerVista SR3 Setup software will request the new firmware file. Locate the folder that contains the firmware files to load into the 345. The firmware filename has the following format: L3 L01 M A 130 . 000 Modification Number (000 = none) Firmware Rev # Board Assembly Rev #...
Page 62: Advanced Enervista Sr3 Setup Features
SOFTWARE SETUP CHAPTER 3: INTERFACES When communications is established, the saved setpoints must be reloaded back into the relay. See Loading Setpoints from a File for details. Modbus addresses assigned to firmware modules, features, settings, and corresponding data items (i.e. default values, min/max values, data type, and item size) may change slightly from version to version of firmware.
Page 63 CHAPTER 3: INTERFACES SOFTWARE SETUP DELTA TRIGGER TIME & DATE CURSOR LINE POSITION VECTOR DISPLAY SELECT Indicates time difference Displays the time and date Click here to open a new graph Indicates the cursor line position between the two cursor of the Trigger.
Page 64 SOFTWARE SETUP CHAPTER 3: INTERFACES Preference Button The following window will appear: Change the color of each graph as desired, and select other options as required, by checking the appropriate boxes. Click OK to store these graph attributes, and to close the window.
Page 65: Protection Summary
CHAPTER 3: INTERFACES SOFTWARE SETUP Protection summary Protection Summary is a single screen which holds the summarized information of different settings from Grouped Elements, Control Elements and Maintenance screens. Protection Summary Screen allows the User to: • view the output relay assignments for the elements •...
Page 66: Password Security
SOFTWARE SETUP CHAPTER 3: INTERFACES Password security Password security is an optional feature of the 345 which can be setup using the SR3 EnerVista Setup software. The password system has been designed to facilitate a hierarchy for centralized management. This is accomplished through a Master level access password which can be used for resetting lower level access passwords and higher level privileged operations.
Page 67 CHAPTER 3: INTERFACES SOFTWARE SETUP characters in length, and must have minimum 2 letters and 2 numbers. The letters are case sensitive. After entering a valid Master Reset Password, enter the new Master Reset Password again to confirm, then select Change Password. Now that the Master Reset Password has been programmed, enter it again to log in to the Master Access level.
Page 68 SOFTWARE SETUP CHAPTER 3: INTERFACES Initial setup of the Local Setpoint and Local Control passwords requires the Master Access level. If Overwrite Local Passwords is set to YES, Local passwords can be changed remotely only (over RS485 or Ethernet). If Overwrite Local Passwords is set to NO, Local passwords can be changed locally only (over USB or keypad).
Page 69: Actual Values
Digital Energy Multilin 345 Transformer Protection System Chapter 4: Actual values Actual values Actual values All measured values, the status of digital inputs and outputs, and fault analysis information are accessed in Actual Values mode. Actual value messages are organized into logical groups for easy reference as shown below.
Page 70 ACTUAL VALUES CHAPTER 4: ACTUAL VALUES Figure 1: Actual Values main menu ACTUAL VALUES A1 STATUS A1 STATUS A2 METERING CLOCK A2 WINDING 1 CURRENTS A3 RECORDS CONTACT INPUTS W1 PH A CURRENT ▼ OUTPUT RELAYS ▼ ▼ A4 TARGET MESSAGES W1 PH B CURRENT LOGIC ELEMENTS W1 PH C CURRENT...
Page 71: A1 Status
CHAPTER 4: ACTUAL VALUES A1 STATUS A1 Status Figure 2: Status menu A1 STATUS CLOCK A1 CLOCK CONTACT INPUTS CURRENT DATE: ▼ OUTPUT RELAYS ▼ CURRENT TIME: LOGIC ELEMENTS VIRTUAL INPUTS A1 CONTACT INPUTS REMOTE INPUTS 52a W1 BRK (CI#1) REMOTE OUTPUTS ▼...
Page 72: Clock
A1 STATUS CHAPTER 4: ACTUAL VALUES Clock PATH: ACTUAL VALUES > A1 STATUS > CLOCK CURRENT DATE Feb 12 2009 Range: Date in format shown Indicates today’s date. CURRENT TIME 09:17:12 Range: Time in format shown Indicates the current time of day. Contact inputs PATH: ACTUAL VALUES >...
Page 73: Output Relays
CHAPTER 4: ACTUAL VALUES A1 STATUS Output relays PATH: ACTUAL VALUES > A1 STATUS > OUTPUT RELAYS RELAY 1 TRIP (Output Relay #1) Range: Off, On The “ON” state of Output Relay #1 (W1 TRIP) shows that a TRIP command has been sent to the W1 breaker.
Page 74: Remote Outputs
A1 STATUS CHAPTER 4: ACTUAL VALUES Remote outputs The state of all active remote outputs is displayed here. PATH: ACTUAL VALUES > A1 STATUS > REMOTE OUTPUTS REMOTE OUTPUTS 1 to 32 Range: Off, On Contact inputs summary PATH: ACTUAL VALUES > A1 STATUS > C. INPUTS SUMMARY C.
Page 75: Logic Elements Summary
CHAPTER 4: ACTUAL VALUES A1 STATUS Logic elements summary PATH: ACTUAL VALUES > A1 STATUS > LOGIC ELEM SUMMARY LOGIC ELEM SUMMARY LE#1 LE#9 LE#2 LE#10 LE#3 LE#11 LE#4 LE#12 LE#5 LE#13 LE#6 LE#14 LE#7 LE#15 LE#8 LE#16 This display shows a summary of the states of all logic elements. GOOSE status PATH: ACTUAL VALUES >...
Page 76: A2 Metering
A2 METERING CHAPTER 4: ACTUAL VALUES A2 Metering The relay measures fundamental frequency phase and ground currents, and all auxiliary analog inputs. Other values like neutral current, symmetrical components, differential and restraint currents are derived. All quantities are recalculated every power system cycle and perform protection and monitoring functions.
Page 77 CHAPTER 4: ACTUAL VALUES A2 METERING WINDING 2 CURRENT W2 PH A CURRENT 0.0 A 0 Range: 1 to 6000 A, 0 to 359 W2 PH B CURRENT 0.0 A 0 Range: 1 to 6000 A, 0 to 359 W2 PH C CURRENT 0.0 A 0 Range: 1 to 6000 A, 0 to 359 W2 NTRL CURRENT...
Page 78 A2 METERING CHAPTER 4: ACTUAL VALUES TRANSFORMER DIFFERENTIAL AND RESTRAINT CURRENTS PH A DIFF CURRENT 0.00 x CT 0 PH A RESTR CURRENT 0.00 x CT 0 DIFF 2 HARM PH A 0.0 % f0 DIFF 5 HARM PH A 0.0 % f0 PH B DIFF CURRENT 0.00 x CT 0...
Page 79 CHAPTER 4: ACTUAL VALUES A2 METERING TRANSFORMER THERMAL CAPACITY CURRENTS THERM CAP PH A 0.0% Range: 1 to 150% THERM CAP PH B 0.0% Range: 1 to 150% THERM CAP PH C 0.0% Range: 1 to 150% 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 4–11 Courtesy of NationalSwitchgear.com...
Page 80: A3 Records
A3 RECORDS CHAPTER 4: ACTUAL VALUES A3 Records The 345 has an event recorder which runs continuously. All event records are stored in memory such that information is maintained for up to 3 days even after losing relay control power. The events are displayed from newest to oldest event. Each event has a header message containing a summary of the event that occurred, and is assigned an event number equal to the number of events that have occured since the recorder was cleared.
Page 81 CHAPTER 4: ACTUAL VALUES A3 RECORDS E5655 TRIP Ph IOC1 Trip OP W2 Ig x CTg(W2)0.00 x CT 0° Lag ▼ E5655 TRIP Ph IOC1 Trip OPW2 In x CT(W2)0.00 x CT 0° Lag ▼ E5655 TRIP Ph IOC1 Trip OP W2 Igd x CT(W2)0.00 x CT ▼...
Page 82 A3 RECORDS CHAPTER 4: ACTUAL VALUES Second and fifth harmonic per-phase differential current. All per Winding 1 and 2. The Event Recorder can be cleared from ACTUAL VALUES > A3 RECORDS > CLEAR EVENT REC setpoint. The following table provides a list of the event types: Table 2: Event type Event Type Display...
Page 83 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition Trace Mem. Trigger Rx Goose 1 ON Rx Goose 1 OFF Rx Goose 2 ON Rx Goose 2 OFF Rx Goose 3 ON Rx Goose 3 OFF Rx Goose 4 ON Rx Goose 4 OFF Rx Goose 5 ON Rx Goose 5 OFF...
Page 84 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0x008A Virtual IN 11 On 0x008B Virtual IN 12 On 0x008C Virtual IN 13 On 0x008D Virtual IN 14 On 0x008E Virtual IN 15 On 0x008F Virtual IN 16 On 0x0090 Virtual IN 17 On 0x0091 Virtual IN 18 On...
Page 85 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition 0x00B9 Virtual IN 26 Off 0x00BA Virtual IN 27 Off 0x00BB Virtual IN 28 Off 0x00BC Virtual IN 29 Off 0x00BD Virtual IN 30 Off 0x00BE Virtual IN 31 Off 0x00BF Virtual IN 32 Off 0x01C0 Remote IN 1 On...
Page 86 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0x01E8 Remote IN 9 Off 0x01E9 Remote IN 10 Off 0x01EA Remote IN 11 Off 0x01EB Remote IN 12 Off 0x01EC Remote IN 13 Off 0x01ED Remote IN 14 Off 0x01EE Remote IN 15 Off 0x01EF Remote IN 16 Off...
Page 87 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition 0x8584 LE 4 Trip DPO 0x85C1 LE 5 Trip PKP 0x85C2 LE 5 Trip OP 0x85C4 LE 5 Trip DPO 0x8601 LE 6 Trip PKP 0x8602 LE 6 Trip OP 0x8604 LE 6 Trip DPO 0x8641 LE 7 Trip PKP...
Page 88 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0x9141 Gnd TOC1 Trip PKP 0x9142 Gnd TOC1 Trip OP 0x9144 Gnd TOC1 Trip DPO 0x9181 Ph IOC2 Trip PKP 0x9182 Ph IOC2 Trip OP 0x9184 Ph IOC2 Trip DPO 0x9189 Ph A IOC2 Trip PKP 0x918A Ph A IOC2 Trip OP...
Page 89 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition 0x9684 SGnd IOC2 Trip DPO 0x9701 Pcnt Diff Trip PKP 0x9702 Pcnt Diff Trip OP 0x9704 Pcnt Diff Trip DPO 0x9709 Ph Diff A Trip PKP 0x970A Ph Diff A Trip OP 0x970C Ph Diff A Trip DPO 0x9711...
Page 90 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0x9D42 LE 14 Trip OP 0x9D44 LE 14 Trip DPO 0x9D81 LE 15 Trip PKP 0x9D82 LE 15 Trip OP 0x9D84 LE 15 Trip DPO 0x9DC1 LE 16 Trip PKP 0x9DC2 LE 16 Trip OP 0x9DC4 LE 16 Trip DPO...
Page 91 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition 0xAC04 LO Amb Temp DPO 0xAC42 Self Test Alarm OP 0xAD02 R1 CoilMonAlrm OP 0xAD42 R2 CoilMonAlrm OP 0xAD81 BKR1 Fail Alrm PKP 0xAD82 BKR1 Fail Alrm OP 0xAD84 BKR1 Fail Alrm DPO 0xADC2 BKR1 Stat Fail OP 0xAEC1...
Page 92 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0xB142 Gnd TOC1 Alarm OP 0xB144 Gnd TOC1 Alarm DPO 0xB181 Ph IOC2 Alarm PKP 0xB182 Ph IOC2 Alarm OP 0xB184 Ph IOC2 Alarm DPO 0xB189 Ph A IOC2 Alrm PKP 0xB18A Ph A IOC2 Alrm OP 0xB18C...
Page 93 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition 0xB701 Pcnt Diff Alrm PKP 0xB702 Pcnt Diff Alrm OP 0xB704 Pcnt Diff Alrm DPO 0xB709 Ph Dif A Alarm PKP 0xB70A Ph Dif A Alarm OP 0xB70C Ph Dif A Alarm DPO 0xB711 Ph Dif B Alarm PKP 0xB712...
Page 94 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0xBD44 LE 14 Alarm DPO 0xBD81 LE 15 Alarm PKP 0xBD82 LE 15 Alarm OP 0xBD84 LE 15 Alarm DPO 0xBDC1 LE 16 Alarm PKP 0xBDC2 LE 16 Alarm OP 0xBDC4 LE 16 Alarm DPO 0xC042 Output Relay 3 On...
Page 95 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition 0xCCC2 BKR Stat Open 0xCD02 BKR Stat Clsd 0xCD42 Setpoint Group1 On 0xCEC4 Rstrt Inhibit Off 0xD001 Ph IOC1 PKP 0xD002 Ph IOC1 OP 0xD004 Ph IOC1 DPO 0xD041 Ntrl IOC1 PKP 0xD042 Ntrl IOC1 OP 0xD044...
Page 96 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0xD682 SGnd IOC2 OP 0xD684 SGnd IOC2 DPO 0xD701 Pcnt DIFF PKP 0xD702 Pcnt DIFF OP 0xD704 Pcnt DIFF DPO 0xD741 RGF1 PKP 0xD742 RGF1 OP 0xD744 RGF1 DPO 0xD781 RGF2 PKP 0xD782 RGF2 OP 0xD784...
Page 97 CHAPTER 4: ACTUAL VALUES A3 RECORDS Code Type Definition 0xDC41 LE 10 PKP 0xDC42 LE 10 OP 0xDC44 LE 10 DPO 0xDC81 LE 11 PKP 0xDC82 LE 11 OP 0xDC84 LE 11 DPO 0xDCC1 LE 12 PKP 0xDCC2 LE 12 OP 0xDCC4 LE 12 DPO 0xDD01...
Page 98 A3 RECORDS CHAPTER 4: ACTUAL VALUES Code Type Definition 0xF242 Ph TOC2 Block 0xF244 Ph TOC2 Block DPO 0xF282 Ntrl TOC2 Block 0xF284 Ntrl TOC2 Blk DPO 0xF2C2 Gnd TOC2 Block 0xF2C4 Gnd TOC2 Blk DPO 0xF302 SGnd TOC1 Block 0xF304 SGnd TOC1 BlockDPO 0xF642...
Page 99: Transient Records
CHAPTER 4: ACTUAL VALUES A3 RECORDS Transient records PATH: ACTUAL VALUES > A3 RECORDS > TRANSIENT RECORDS FORCE TRIGGER? Range: No, Yes TOTAL RECORDS Range: N/A AVAILABLE RECORDS Range: N/A LAST CLEARED Feb 08 2009 Range: N/A Clear event record PATH: ACTUAL VALUES >...
Page 100: A4 Target Messages
A4 TARGET MESSAGES CHAPTER 4: ACTUAL VALUES A4 Target messages Target messages are automatically displayed for any active condition on the relay such as pickups, trips, alarms, or asserted input. The target messages shown in the table below are displayed as necessary. The relay displays the most recent event first, and after 5 seconds starts rolling up the other target messages, until the Reset command is initiated.
Page 101 CHAPTER 4: ACTUAL VALUES A4 TARGET MESSAGES Code Type Definition 0x9180 Ph IOC2 Trip 0x91C0 Ntrl IOC2 Trip 0x9200 Gnd IOC2 Trip 0x9240 Ph TOC2 Trip 0x9280 Ntrl TOC2 Trip 0x92C0 Gnd TOC2 Trip 0x9300 SGnd TOC1 Trip 0x9640 SGnd IOC1 Trip 0x9680 SGnd IOC2 Trip 0x9700...
Page 102 A4 TARGET MESSAGES CHAPTER 4: ACTUAL VALUES Code Type Definition 0xB100 Ntrl TOC1 Alrm 0xB140 Gnd TOC1 Alarm 0xB180 Ph IOC2 Alarm 0xB1C0 Ntrl IOC2 Alarm 0xB200 Gnd IOC2 Alarm 0xB240 Ph TOC2 Alarm 0xB280 Ntrl TOC2 Alrm 0xB2C0 Gnd TOC2 Alarm 0xB300 SGnd TOC1 Alarm 0xB640...
Page 103 CHAPTER 4: ACTUAL VALUES A4 TARGET MESSAGES Code Type Definition 0xCA80 Reset OK 0xCD00 BKR Stat Clsd 0xCD40 Setpoint Group1 0xD000 Ph IOC1 0xD040 Ntrl IOC1 0xD080 Gnd IOC1 0xD0C0 Ph TOC1 0xD100 Ntrl TOC1 0xD140 Gnd TOC1 0xD180 Ph IOC2 0xD1C0 Ntrl IOC2 0xD200...
Page 104 A4 TARGET MESSAGES CHAPTER 4: ACTUAL VALUES Code Type Definition 0xF040 Ntrl IOC1 Block 0xF080 Gnd IOC1 Block 0xF0C0 Ph TOC1 Block 0xF100 Ntrl TOC1 Block 0xF140 Gnd TOC1 Block 0xF180 Ph IOC2 Block 0xF1C0 Ntrl IOC2 Block 0xF200 Gnd IOC2 Block 0xF240 Ph TOC2 Block 0xF280...
Page 105 CHAPTER 4: ACTUAL VALUES A4 TARGET MESSAGES Examples of how the messages appear on the display: Example 1: Phase IOC1 Settings: • PH IOC1 FUNCTION = Trip • PH IOC1 PICKUP = 1.00 x CT • PH IOC1 DELAY = 0.20 s When current greater than the IOC1 pickup level is applied, the 345 display shows the following target message: A4 TARGET MESSAGES...
Page 106 A4 TARGET MESSAGES CHAPTER 4: ACTUAL VALUES 4–38 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 107: Quick Setup - Front Control Panel
Digital Energy Multilin 345 Transformer Protection System Chapter 5: Quick setup - Front control panel Quick setup - Front control panel The “Quick Setup” utility is part of the 345 relay main menu, and can be used for quick and easy programming.
Page 108 CHAPTER 5: QUICK SETUP - FRONT CONTROL PANEL Figure 1: Quick Setup menu ACTUAL VALUES QUICK SETUP QUICK SETUP XFMR PERCENT DIFF SETPOINTS RELAY STATUS PCNT DIFF FUNCTION MAINTENANCE ▼ ▼ NOMINAL FREQUENCY MINIMUM PICKUP W1 PH CT PRIMARY SLOPE 1 W1 GND CT PRIMARY BREAKPOINT 1 BREAKPOINT 2...
Page 109 CHAPTER 5: QUICK SETUP - FRONT CONTROL PANEL QUICK SETUP MENU Quick Setup menu The setpoints below can be programmed under the "Quick Setup" menu. Note that monitoring of Breaker Status via 52a, 52b, or both of these contacts,, should be programmed under SETPOINTS >...
Page 110 QUICK SETUP MENU CHAPTER 5: QUICK SETUP - FRONT CONTROL PANEL XFMR PERCENT DIFF Range: Disabled, Trip, Latched Alarm, Alarm Default: Disabled ↘ PCNT DIFF FUNCTION Range: Disabled, Trip, Latched Alarm, Alarm Default: Disabled MINIMUM PICKUP Range: 0.05 to 1.00 x CT in steps of 0.01 x CT Default: 0.10 x CT SLOPE 1 Range: 15 to 100% in steps of 1%...
Page 111 CHAPTER 5: QUICK SETUP - FRONT CONTROL PANEL QUICK SETUP MENU GND TOC1 FUNCTION Range: Disabled, Trip, Latched Alarm, Alarm Default: Disabled ↘ GND CT INPUT Range: CT(W1), CT(W2) Default: CT(W1) GND TOC1 PICKUP Range: 0.04 to 20.00 x CT in steps of 0.01 x CT Default: 1.00 x CT GND TOC1 CURVE Range: ANSI Extremely/Very/Moderately/Normally Inverse, Definite...
Page 112 QUICK SETUP MENU CHAPTER 5: QUICK SETUP - FRONT CONTROL PANEL GND IOC FUNCTION Range: Disabled, Trip, Latched Alarm, Alarm Default: Disabled ↘ GND CT INPUT Range: CT(W1), CT(W2) Default: CT(W1) GND IOC1 PICKUP Range: 0.05 to 20.00 x CT in steps of 0.01 x CT Default: 1.00 x CT RLY1 TRIP W1 BKR Range: Do not operate, Operate...
Page 113: Setpoints
Digital Energy Multilin 345 Transformer Protection System Chapter 6: Setpoints Setpoints Setpoints Main Menu The 345 has a considerable number of programmable setpoints, all of which make the relay extremely flexible. These setpoints have been grouped into a variety of pages and subpages as shown below.
Page 114: Setpoint Entry Methods
Any of these methods can be used to enter the same information. A computer, however, makes entry much easier. Files can be stored and downloaded for fast, error free entry when a computer is used. To facilitate this process, the GE EnerVista CD with the EnerVista SR3 Setup software is supplied with the relay.
Page 115: Logic Diagrams
CHAPTER 6: SETPOINTS SETPOINTS MAIN MENU • DELAY setpoint: The <ELEMENT_NAME> DELAY setpoint selects a fixed time interval to delay an input signal from appearing at the output. The time from a contact input change of state or an AC parameter input level change to a contact closure of the 1 Trip relay, is the time selected as time delay in this setpoint plus approximately up to 2 power frequency periods.
Page 116 SETPOINTS MAIN MENU CHAPTER 6: SETPOINTS • MIN: minimum • SEC, s: seconds • Ctrl: control • Hr & hr: hour • O/L: overload 6–4 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 117: S1 Relay Setup
CHAPTER 6: SETPOINTS S1 RELAY SETUP S1 Relay setup Figure 2: Relay setup menu S1 RELAY SETUP CLOCK S1 CLOCK PASSWORD SECURITY DATE (MM/DD/YYYY) ▼ COMMUNICATIONS ▼ TIME (HH:MM:SS) EVENT RECORDER DLS ENABLE S1 EVENT RECORDER TRANSIENT RECDR DLS START MONTH PICKUP EVENTS FRONT PANEL DLS START WEEK...
Page 118: Clock
S1 RELAY SETUP CHAPTER 6: SETPOINTS Clock The 345 relay has an internal real time clock that performs time stamping via IRIG-B for various features such as the event and transient recorders. This time stamping is available with the IRIG-B signal connected to the relay terminals and set to “Enabled”. When an IRIG- B device is connected to the relay terminals, the relay detects the DC shift or the Amplitude Modulated signal automatically.
Page 119: Password Security
CHAPTER 6: SETPOINTS S1 RELAY SETUP DLS START WEEK: Range: Not Set, 1 , Last Default: Not Set This setting sets the week of the month for the DLS start time. DLS START WEEKDAY: Range: Not Set, MON, TUE, WED, THU, FRI, SAT, SUN Default: Not Set This setting sets the weekday for the DLS start time.
Page 120 S1 RELAY SETUP CHAPTER 6: SETPOINTS passwords consist of 3 to 10 alphanumeric characters. The Local and the Remote passwords are initially set after entering in a Master Reset Password (MRP). The Master Reset Password (MRP) is set to “NULL” when the relay is shipped from the factory. When the MRP is programmed to “NULL”...
Page 121: Passwords
CHAPTER 6: SETPOINTS S1 RELAY SETUP • Disabling password security • All Setpoint and Control Level access rights For details on Password Security setup and handling using the EnerVista Setup software, refer to Chapter 3. Passwords This section allows the user to change the Local Setpoint and Local Control Passwords. The local user may change a local password from the keypad if all of the following are true: •...
Page 122: Communications
S1 RELAY SETUP CHAPTER 6: SETPOINTS Communications Figure 4: Communications main menu S1 COMMUNICATIONS RS485 S1 RS485 ETHERNET RS485 BAUD RATE ▼ MODBUS PROTOCOL ▼ RS485 COMM PARITY IEC 60870-5-103 REAR 485 PROTOCOL IEC 60870-5-104* DNP PROTOCOL 61850 PROTOCOL** S1 ETHERNET IP ADDRESS * Available with comms Order Code 1 ▼...
Page 123: Rs485 Interface
CHAPTER 6: SETPOINTS S1 RELAY SETUP RS485 interface The 345 is equipped with one serial RS485 communication port. The RS485 port has settings for baud rate and parity. It is important that these parameters agree with the settings used on the computer or other equipment that is connected to these ports. This port may be connected to a computer running the EnerVista SR3 Setup software.
Page 124: Modbus
S1 RELAY SETUP CHAPTER 6: SETPOINTS Connection Type Range: Copper, fiber Default: Copper This setting specifies the connection type (Copper or Fiber) used for Ethernet communication. When changing Ethernet settings, power to the relay must be cycled in order for the new NOTE: settings to become active.
Page 125: Iec 60870-5-103 Serial Communication
CHAPTER 6: SETPOINTS S1 RELAY SETUP IEC 60870-5-103 serial PATH: SETPOINTS > S1 RELAY SETUP > COMMUNICATIONS > IEC61870-5-103 communication Figure 7: IEC 60870-5-103 serial communication menu S1 60870-5-103 GENERAL S1 103 GENERAL BINARY INPUTS SLAVE ADDRESS ▼ MEASURANDS ▼ SYNCH TIMEOUT COMMANDS S1 103 FIRST ASDU...
Page 126 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0x0049 Contact IN 10 On 0x0060 Contact IN 1 Off 0x0061 Contact IN 2 Off 0x0062 Contact IN 3 Off 0x0063 Contact IN 4 Off 0x0064 Contact IN 5 Off 0x0065 Contact IN 6 Off 0x0066 Contact IN 7 Off...
Page 127 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0x00A4 Virtual IN 5 Off 0x00A5 Virtual IN 6 Off 0x00A6 Virtual IN 7 Off 0x00A7 Virtual IN 8 Off 0x00A8 Virtual IN 9 Off 0x00A9 Virtual IN 10 Off 0x00AA Virtual IN 11 Off 0x00AB Virtual IN 12 Off...
Page 128 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0x01D3 Remote IN 20 On 0x01D4 Remote IN 21 On 0x01D5 Remote IN 22 On 0x01D6 Remote IN 23 On 0x01D7 Remote IN 24 On 0x01D8 Remote IN 25 On 0x01D9 Remote IN 26 On 0x01DA Remote IN 27 On...
Page 129 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0x8044 Therm O/L Trip DPO 0x804A Therm PhA Trip OP 0x804C Therm PhA Trip DPO 0x8052 Therm PhB Trip OP 0x8054 Therm PhB Trip DPO 0x8062 Therm PhC Trip OP 0x8064 Therm PhC Trip DPO 0x84C1 LE 1 Trip PKP...
Page 130 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0x9082 Gnd IOC1 Trip OP 0x9084 Gnd IOC1 Trip DPO 0x90C1 Ph TOC1 Trip PKP 0x90C2 Ph TOC1 Trip OP 0x90C4 Ph TOC1 Trip DPO 0x90C9 Ph A TOC1 Trip PKP 0x90CA Ph A TOC1 Trip OP 0x90CC...
Page 131 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0x9261 Ph C TOC2 Trip PKP 0x9262 Ph C TOC2 Trip OP 0x9264 Ph C TOC2 Trip DPO 0x9281 Ntrl TOC2 Trip PKP 0x9282 Ntrl TOC2 Trip OP 0x9284 Ntrl TOC2 Trip DPO 0x92C1 Gnd TOC2 Trip PKP 0x92C2...
Page 132 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0x9C04 LE 9 Trip DPO 0x9C41 LE 10 Trip PKP 0x9C42 LE 10 Trip OP 0x9C44 LE 10 Trip DPO 0x9C81 LE 11 Trip PKP 0x9C82 LE 11 Trip OP 0x9C84 LE 11 Trip DPO 0x9CC1 LE 12 Trip PKP...
Page 133 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0xA601 LE 6 Alarm PKP 0xA602 LE 6 Alarm OP 0xA604 LE 6 Alarm DPO 0xA641 LE 7 Alarm PKP 0xA642 LE 7 Alarm OP 0xA644 LE 7 Alarm DPO 0xA681 LE 8 Alarm PKP 0xA682 LE 8 Alarm OP...
Page 134 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0xB084 Gnd IOC1 Alarm DPO 0xB0C1 Ph TOC1 Alarm PKP 0xB0C2 Ph TOC1 Alarm OP 0xB0C4 Ph TOC1 Alarm DPO 0xB0C9 Ph A TOC1 Alrm PKP 0xB0CA Ph A TOC1 Alrm OP 0xB0CC Ph A TOC1 Alrm DPO 0xB0D1...
Page 135 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0xB262 Ph C TOC2 Alrm OP 0xB264 Ph C TOC2 Alrm DPO 0xB281 Ntrl TOC2 Alrm PKP 0xB282 Ntrl TOC2 Alrm OP 0xB284 Ntrl TOC2 Alrm DPO 0xB2C1 Gnd TOC2 Alarm PKP 0xB2C2 Gnd TOC2 Alarm OP 0xB2C4...
Page 136 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0xBC01 LE 9 Alarm PKP 0xBC02 LE 9 Alarm OP 0xBC04 LE 9 Alarm DPO 0xBC41 LE 10 Alarm PKP 0xBC42 LE 10 Alarm OP 0xBC44 LE 10 Alarm DPO 0xBC81 LE 11 Alarm PKP 0xBC82 LE 11 Alarm OP...
Page 137 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0xC5C4 LE 5 DPO 0xC601 LE 6 PKP 0xC602 LE 6 OP 0xC604 LE 6 DPO 0xC641 LE 7 PKP 0xC642 LE 7 OP 0xC644 LE 7 DPO 0xC681 LE 8 PKP 0xC682 LE 8 OP 0xC684...
Page 138 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0xE042 Therm O/L Blck 0xE182 Output Relay 1 BLK 0xE1C2 Output Relay 2 BLK 0xE882 Group Change Blk 0xF002 Ph IOC1 Block 0xF042 Ntrl IOC1 Block 0xF082 Gnd IOC1 Block 0xF0C2 Ph TOC1 Block 0xF102 Ntrl TOC1 Block...
Page 139 CHAPTER 6: SETPOINTS S1 RELAY SETUP IEC60870-5-104 Figure 8: IEC 60870-5-104 protocol menu protocol S1 60870-5-104 GENERAL S1 104 GENERAL CLIENT ADDRESS FUNCTION ▼ POINT LIST TCP PORT SLAVE ADDRESS 104 BINARY INPUTS CYCLIC DATA PERIOD POINT 0 TCP CONN. TIMEOUT ▼...
Page 140: Dnp Communication
S1 RELAY SETUP CHAPTER 6: SETPOINTS DNP communication The menu structure for the DNP protocol is shown below. The following path is available using the keypad. For instructions on how to use the keypad, please refer to the 345 Instruction Manual, Chapter 3 - Working with the Keypad. PATH: SETPOINTS >...
Page 141 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0x0042 Contact IN 3 On 0x0043 Contact IN 4 On 0x0044 Contact IN 5 On 0x0045 Contact IN 6 On 0x0046 Contact IN 7 On 0x0047 Contact IN 8 On 0x0048 Contact IN 9 On 0x0049 Contact IN 10 On...
Page 142 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0x009D Virtual IN 30 On 0x009E Virtual IN 31 On 0x009F Virtual IN 32 On 0x00A0 Virtual IN 1 Off 0x00A1 Virtual IN 2 Off 0x00A2 Virtual IN 3 Off 0x00A3 Virtual IN 4 Off 0x00A4 Virtual IN 5 Off...
Page 143 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0x01CC Remote IN 13 On 0x01CD Remote IN 14 On 0x01CE Remote IN 15 On 0x01CF Remote IN 16 On 0x01D0 Remote IN 17 On 0x01D1 Remote IN 18 On 0x01D2 Remote IN 19 On 0x01D3 Remote IN 20 On...
Page 144 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0x01FB Remote IN 28 Off 0x01FC Remote IN 29 Off 0x01FD Remote IN 30 Off 0x01FE Remote IN 31 Off 0x01FF Remote IN 32 Off 0x8002 Any Trip 0x8042 Therm O/L Trip OP 0x8044 Therm O/L Trip DPO 0x804A...
Page 145 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0x9021 Ph C IOC1 Trip PKP 0x9022 Ph C IOC1 Trip OP 0x9024 Ph C IOC1 Trip DPO 0x9041 Ntrl IOC1 Trip PKP 0x9042 Ntrl IOC1 Trip OP 0x9044 Ntrl IOC1 Trip DPO 0x9081 Gnd IOC1 Trip PKP 0x9082...
Page 146 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0x9244 Ph TOC2 Trip DPO 0x9249 Ph A TOC2 Trip PKP 0x924A Ph A TOC2 Trip OP 0x924C Ph A TOC2 Trip DPO 0x9251 Ph B TOC2 Trip PKP 0x9252 Ph B TOC2 Trip OP 0x9254 Ph B TOC2 Trip DPO 0x9261...
Page 147 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0x9842 NSeq TOC2 Trip OP 0x9844 NSeq TOC2 Trip DPO 0x99C1 SGnd TOC2 Trip PKP 0x99C2 SGnd TOC2 Trip OP 0x99C4 SGnd TOC2 Trip DPO 0x9C01 LE 9 Trip PKP 0x9C02 LE 9 Trip OP 0x9C04 LE 9 Trip DPO...
Page 148 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0xA544 LE 3 Alarm DPO 0xA581 LE 4 Alarm PKP 0xA582 LE 4 Alarm OP 0xA584 LE 4 Alarm DPO 0xA5C1 LE 5 Alarm PKP 0xA5C2 LE 5 Alarm OP 0xA5C4 LE 5 Alarm DPO 0xA601 LE 6 Alarm PKP...
Page 149 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0xB022 Ph C IOC1 Alrm OP 0xB024 Ph C IOC1 Alrm DPO 0xB041 Ntrl IOC1 Alrm PKP 0xB042 Ntrl IOC1 Alrm OP 0xB044 Ntrl IOC1 Alrm DPO 0xB081 Gnd IOC1 Alarm PKP 0xB082 Gnd IOC1 Alarm OP 0xB084...
Page 150 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0xB249 Ph A TOC2 Alrm PKP 0xB24A Ph A TOC2 Alrm OP 0xB24C Ph A TOC2 Alrm DPO 0xB251 Ph B TOC2 Alrm PKP 0xB252 Ph B TOC2 Alrm OP 0xB254 Ph B TOC2 Alrm DPO 0xB261 Ph C TOC2 Alrm PKP...
Page 151 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0xB804 NSeq TOC1 Alrm DPO 0xB841 NSeq TOC2 Alrm PKP 0xB842 NSeq TOC2 Alrm OP 0xB844 NSeq TOC2 Alrm DPO 0xB9C1 SGnd TOC2 Alrm PKP 0xB9C2 SGnd TOC2 Alrm OP 0xB9C4 SGnd TOC2 Alrm DPO 0xBC01 LE 9 Alarm PKP...
Page 152 S1 RELAY SETUP CHAPTER 6: SETPOINTS Code Type Definition 0xC542 LE 3 OP 0xC544 LE 3 DPO 0xC581 LE 4 PKP 0xC582 LE 4 OP 0xC584 LE 4 DPO 0xC5C1 LE 5 PKP 0xC5C2 LE 5 OP 0xC5C4 LE 5 DPO 0xC601 LE 6 PKP 0xC602...
Page 153 CHAPTER 6: SETPOINTS S1 RELAY SETUP Code Type Definition 0xDD81 LE 15 PKP 0xDD82 LE 15 OP 0xDD84 LE 15 DPO 0xDDC1 LE 16 PKP 0xDDC2 LE 16 OP 0xDDC4 LE 16 DPO 0xE002 Any Block 0xE042 Therm O/L Blck 0xE182 Output Relay 1 BLK 0xE1C2...
Page 154 S1 RELAY SETUP CHAPTER 6: SETPOINTS IEC 61850 GOOSE The 345 firmware supports IEC61850 GOOSE communications on the optional communications communications daughter board. Portions of the IEC61850 standard not pertaining to GOOSE, are not implemented in the 345 relay. The 345 relay does not support •...
Page 155: Event Recorder
CHAPTER 6: SETPOINTS S1 RELAY SETUP Event recorder The Event Recorder runs continuously, capturing and storing the last 256 events. All events are stored in a non-volatile memory where the information is maintained for up to 3 days in case of lost relay control power. PATH : SETPOINTS >...
Page 156: Transient Recorder
S1 RELAY SETUP CHAPTER 6: SETPOINTS REMOTE INPUTS Range: Disabled, Enabled Default: Enabled When set to “Enabled”, the event recorder records the events, which occur upon state change of any programmed remote input. SETTING DATE/TIME Range: Disabled, Enabled Default: Enabled When set to “Enabled”, the event recorder records the event of the changing of the date and time.
Page 157: Front Panel
CHAPTER 6: SETPOINTS S1 RELAY SETUP TRIGGER ON DPO Range: Off, On Default: Off Selection of “Yes” setting enables triggering for the recorder upon a Dropout condition detected from any protection or control element. TRIGGER ON TRIP Range: Off, On Default: Off Selection of “Yes”...
Page 158: Installation
S1 RELAY SETUP CHAPTER 6: SETPOINTS W1 BKR OPEN COLOR Range: Off, Red, Green, Orange Default: Green Allows the user to select the color of the LED indicator under Breaker Open conditions. W1 BKR CLSD COLOR Range: Off, Red, Green, Orange Default: Red Allows the user to select the color of the LED indicator under Breaker Closed conditions.
Page 159: S2 System Setup
CHAPTER 6: SETPOINTS S2 SYSTEM SETUP S2 System Setup Figure 11: System Setup menu S2 SYSTEM SETUP CURRENT SENSING POWER SYSTEM TRANSFORMER ▼ WNDG 1 BREAKER S2 CURRENT SENSING WNDG 2 BREAKER W1 PH CT PRIMARY ▼ W1 SENS GND PRIM W1 GND CT PRIMARY W2 PH CT PRIMARY W2 SENS GND PRIM...
Page 160: Power System
S2 SYSTEM SETUP CHAPTER 6: SETPOINTS W1 PH CT SECONDARY Range: 1 A to 5 A in steps of 1 A Default: 1 A Configurable 1 A or 5 A secondary (must be specified with order code P0G0). Enter the rated phase CT secondary current of the three-phase current transformers associated with Winding 1.
Page 161: Transformer
CHAPTER 6: SETPOINTS S2 SYSTEM SETUP SYSTEM ROTATION Range: ABC, ACB, Default: ABC Enter the phase sequence of the power system. Transformer PATH: SETPOINTS > S2 SYSTEM SETUP > TRANSFORMER XFMR RATED LOAD Range: 0.01 to 50.00 MVA in steps of 0.01 Default: 5.00 MVA Enter the self-cooled (100%) load rating for the power transformer.
Page 162: Transformer Setup Phase & Magnitude Compensations
S2 SYSTEM SETUP CHAPTER 6: SETPOINTS The Delta connection of CTs inherently has the effect of removing the zero sequence components of the phase currents. If there were a grounding bank on the Delta winding of the power transformer within the zone of protection, a ground fault would result in differential (zero sequence) current and false trips.
Page 163 CHAPTER 6: SETPOINTS S2 SYSTEM SETUP Consider a typical Wye/Delta power transformer with the following data: • Connection: Y/d30° (i.e. delta winding phase currents lag the corresponding wye winding phase currents by 30°) • Transformer rated load: 5/7/9 MVA • Winding 1: 13.8 kV nominal, 500/5 CT ratio •...
Page 164 The example below shows why this happens, using a transformer described in IEC nomenclature as “Yd1” or in GE Multilin nomenclature as “Y/d30.” Figure 12: Example transformer I ' – I ' I ' –...
Page 165 Note that the delta winding currents leads the wye winding currents by 30°, (which is a type Yd11 in IEC nomenclature and a type Y/d330 in GE Multilin nomenclature) which is in disagreement with the transformer nameplate. This is because the physical connections and hence the equations used to calculate current for the delta winding have not changed.
Page 166 S2 SYSTEM SETUP CHAPTER 6: SETPOINTS All information presented in this manual is based on connecting the relay phase A, B and C terminals to the power system phases A, B and C respectively. The transformer types and phase relationships presented are for a system phase sequence of ABC, in accordance with the standards for power transformers.
Page 167 CHAPTER 6: SETPOINTS S2 SYSTEM SETUP the power transformer within the zone of protection, a ground fault would result in differential (zero sequence) current and false trips. In such a case, it would be necessary to insert a zero sequence current trap with the Wye connected CTs on the Delta winding of the transformer.
Page 168 S2 SYSTEM SETUP CHAPTER 6: SETPOINTS TRANSFORMER TYPES A complete table of two-winding transformer types is shown below. Table 1: Transformer types Transformer Wdg. Connection Voltage Phase Transformer Wdg. Connection Voltage Phase Type Phasors Shift Type Phasors Shift (Φ (Φ comp comp 2W External...
Page 169 CHAPTER 6: SETPOINTS S2 SYSTEM SETUP Transformer Wdg. Connection Voltage Phase Transformer Wdg. Connection Voltage Phase Type Phasors Shift Type Phasors Shift (Φ (Φ comp comp D/d300° DELTA (gnd 1/ 300° lag D/y30° DELTA (gnd 1/ 0° DELTA (gnd 2/ 0°...
Page 170 S2 SYSTEM SETUP CHAPTER 6: SETPOINTS Transformer Wdg. Connection Voltage Phase Transformer Wdg. Connection Voltage Phase Type Phasors Shift Type Phasors Shift (Φ (Φ comp comp D/z180° DELTA (gnd 1/ 180° lag D/z240° DELTA (gnd 1/ 240° lag ZIG-ZAG (gnd 0°...
Page 171 CHAPTER 6: SETPOINTS S2 SYSTEM SETUP Φ GROUNDING[W] = "NOT WITHIN ZONE" GROUNDING[W] = "WITHIN ZONE" COMP 120° lag 150° lag 180° lag 210° lag 240° lag 270° lag 300° lag 330° lag 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–59 Courtesy of NationalSwitchgear.com...
Page 172 S2 SYSTEM SETUP CHAPTER 6: SETPOINTS MAGNITUDE, PHASE ANGLE, AND ZERO SEQUENCE COMPENSATION Transformer magnitude, phase angle, and zero-sequence compensation calculations Complete magnitude, phase angle, and zero sequence compensation is as follows: Winding 1 compensated currents: Winding 2 compensated currents: where: - magnitude, phase and zero sequence compensated winding w phase currents - magnitude compensation factor for winding 2 (see previous sections)
Page 173: Winding Breakers
CHAPTER 6: SETPOINTS S2 SYSTEM SETUP DIFFERENTIAL AND RESTRAINT CURRENT CALCULATIONS Differential currents are calculated as follows: Restraint currents are calculated as follows: where, are the phase differential currents, and are the phase restraint currents. Per the example, the per-phase differential and restraint currents would be as follows: Winding breakers The status of the Winding 1 breaker is monitored by the 345 relay using the status of either one or two contact inputs, 52a (CI#1) and 52b (CI#2), wired to the Winding 1 breaker...
Page 174 S2 SYSTEM SETUP CHAPTER 6: SETPOINTS 52a CONTACT Range: Disabled, Contact Input 1 Default: Disabled Select Contact Input 1 [52a (CI#1)] if connected to breaker auxiliary contact 52a. 52b CONTACT Range: Disabled, Contact Input 2 Default: Disabled Select Contact Input 2 [52b (CI#2)] if connected to breaker auxiliary contact 52b. BKR CONNECTED Range: Contact Input 5 to 10, Disabled Default: Disabled...
Page 175 CHAPTER 6: SETPOINTS S2 SYSTEM SETUP If the contact input selected under BKR CONNECTED setting is asserted, the breaker is considered connected to the primary system. When the breaker is determined disconnected, the breaker state is shown to be neither open, nor closed. Table 4: Breaker status with both contacts configured 52a contact status 52b contact status...
Page 176: S3 Protection
S3 PROTECTION CHAPTER 6: SETPOINTS S3 Protection The 345 protection elements are organized in two identical setpoint groups: Setpoint Group 1 and Setpoint Group 2. Each Setpoint Group has the same protection functions, depending on the relay order code. These protection functions include: •...
Page 177: Setpoint Group 1(2)
CHAPTER 6: SETPOINTS S3 PROTECTION Setpoint group 1(2) Figure 15: Protection setpoint group 1(2) menu - 1 of 2 S3 SETPOINT GROUP 1 XFMR PCNT DIFF S3 XFMR PERCENT DIFF XFMR INST DIFF PCNT DIFF FUNCTION ▼ RESTD GND FAULT1 ▼...
Page 178 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 16: Protection setpoint group 1(2) menu - 2 of 2 S3 SETPOINT GROUP 1 S3 PHASE TOC1 XFMR PCNT DIFF PH TOC FUNCTION ▼ XFMR INST DIFF RESTD GND FLT PHASE CT INPUTS ▼ PH TOC1 PKP THERMAL MODEL PH TOC1 CURVE...
Page 179: Transformer Percent Differential
CHAPTER 6: SETPOINTS S3 PROTECTION Transformer percent The 345 provides one percent differential element per setpoint group. The settings menu of differential the percent differential element defines a dual slope, dual breakpoint differential/restraint characteristic. The calculation of differential and restraint currents are as shown on the figure below.
Page 180 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 18: Differential / Restraint characteristic Idifferential (xCT) SLOPE 2 100% OPERATE REGION Transition Region (lineal) SLOPE 1 PICKUP 0.30 BREAKPOINT 2 BREAKPOINT 1 Irestraint (xCT) 897802.cdr The figure above shows the differential/restraint characteristic of the main transformer percent differential protection.
Page 181 CHAPTER 6: SETPOINTS S3 PROTECTION BREAK 1 Range: 0.50 to 4.00xCT in steps of 0.01xCT Default: 1.50xCT The setting for Breakpoint 1 defines the limit of linear operation of Winding 1 CT, accounting for up to 80% of residual flux that effectively reduces the capability of the CT by a factor of 5.
Page 182 S3 PROTECTION CHAPTER 6: SETPOINTS INRUSH INHBT LEVEL Range: 0.1 to 40.0% in steps of 0.1 Default: 10% This setting specifies the ratio of 2nd harmonic differential current to the fundamental frequency differential current for the selected mode of 2nd harmonic inhibit. The percent differential protection will be blocked from operation if the actual ratio of the differential 2nd harmonic current to the fundamental frequency differential current is above this threshold.
Page 183 CHAPTER 6: SETPOINTS S3 PROTECTION OUTPUT RELAY 3 to 6 Range: Do Not Operate, Operate Default: Do Not Operate Any, or all, of the output relays 3 to 6 can be selected to operate upon percent differential operation. The selection of relay outputs operation is available no matter whether the Latched Alarm, Alarm, or Trip function is selected.
Page 184 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 20: Percent Differential Protection logic diagram 6–72 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 185: Transformer Instantaneous Differential
CHAPTER 6: SETPOINTS S3 PROTECTION Transformer The 345 relay provides one Instantaneous Differential element per setpoint group. instantaneous Instantaneous Differential protection is not biased protection and operates in a fashion similar to instantaneous overcurrent protection. Inputs to this protection are computed on differential the basis of the relay per-phase differential currents.
Page 186 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 21: Instantaneous Differential Protection logic diagram 6–74 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 187: Restricted Ground Fault
CHAPTER 6: SETPOINTS S3 PROTECTION Restricted ground Depending on the SR345 order code, the relay provides up to two Restricted Ground Fault fault elements per setpoint group; one per winding. The Restricted Ground Fault (RGF) protection provides ground fault detection for low- magnitude ground fault currents primarily for ground faults closed to the neutral point of the wye connected winding.
Page 188 S3 PROTECTION CHAPTER 6: SETPOINTS maximum measured line current (Imax) to produce a percent slope value. The slope setting allows the user to determine the sensitivity of the element based on the class and quality of the CTs used. The figure below shows the typical wiring between the winding CTs and the 345 CT terminals to assure the correct performance of the protection.
Page 189 CHAPTER 6: SETPOINTS S3 PROTECTION RGF PICKUP Range: 0.02 to 20 x CT (W1) in steps of 0.01 Default: 0.10 x CT (W1) This setting defines the minimum pickup level of the ground differential current required for operation. The pickup value is expressed in times phase CT primary rating. RGF SLOPE Range: 0 to 100% in steps of 1% Default: 0%...
Page 190 S3 PROTECTION CHAPTER 6: SETPOINTS BLOCK 1/2/3 Range: Off, Contact Input 1 to 10, Virtual Input1 to 32, Remote Input 1 to 32, Logic Elements1 to 16 Default: Off Three blocking inputs are provided in the Restricted Ground Fault menu. When any of the selected blocking inputs - Contact input, Virtual Input, or Remote Input - is turned on, the Restricted Ground Fault function will be blocked.
Page 191 CHAPTER 6: SETPOINTS S3 PROTECTION Figure 24: Restricted Earth Fault Protection logic diagram 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–79 Courtesy of NationalSwitchgear.com...
Page 192: Transformer Thermal Protection
S3 PROTECTION CHAPTER 6: SETPOINTS Transformer thermal The 345 relay provides one transformer thermal overload protection. Loads exceeding the protection transformer load ratings over certain period of time, can degrade the insulation, and in return may lead to short circuit conditions. The heating of the transformer is mostly of resistive type (I2R), hence the generated heat is directly proportional to the square of the flowing winding currents (I2 ).
Page 193 CHAPTER 6: SETPOINTS S3 PROTECTION THERMAL MDL FUNC Range: Disabled, Trip, Latched Alarm, Alarm Default: Disabled The output relays #1 “TRIP W1 BKR” and #2 “TRIP W2 BKR” will operate only if the Trip function is selected, and the accumulated thermal capacity for any of the phases is over 100%.
Page 194 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 25: Transformer Thermal Protection logic diagram 6–82 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 195: Phase Timed Overcurrent Protection
CHAPTER 6: SETPOINTS S3 PROTECTION Phase timed TIME OVERCURRENT CURVE CHARACTERISTICS overcurrent The 345 relay has two setpoint groups. When ordering the relay the user can select each protection group to have two phase time overcurrent 51P(2), two ground time overcurrent 51G(2), two neutral time overcurrent 51N(2), and two negative sequence time overcurrent 51_2(2) elements.
Page 196 S3 PROTECTION CHAPTER 6: SETPOINTS Table 6: ANSI Curve Trip Times (in seconds) Multiplier (TDM) Current (I/Ipickup) 10.0 ANSI Extremely Inverse 2.000 0.872 0.330 0.184 0.124 0.093 0.075 0.063 0.055 0.049 4.001 1.744 0.659 0.368 0.247 0.185 0.149 0.126 0.110 0.098 8.002 3.489...
Page 197 CHAPTER 6: SETPOINTS S3 PROTECTION Table 7: IEC (BS) Inverse Time Curve Constants IEC (BS) Curve Shape IEC Curve A (BS142) 0.140 0.020 IEC Curve B (BS142) 13.500 1.000 IEC Curve C (BS142) 80.000 2.000 IEC Short Inverse 0.050 0.040 Table 8: IEC Curve Trip Times (in seconds) Multiplier (TDM) Current (I/Ipickup)
Page 198 0.493 PHASE TIMED OVERCURRENT PROTECTION The SR345 relay has two Phase Time Overcurrent elements per protection group. The settings of this function are applied to each of the three phases to produce phase overcurrent trip or pickup. There is no intentional “dead band” where the current is above 6–86...
Page 199 CHAPTER 6: SETPOINTS S3 PROTECTION the pickup level. However the pickup accuracy is guaranteed within the current input accuracy of 3% above the set PKP value. The TOC pickup flag is asserted when the current on any phase is above the PKP value. The TOC trip flag is asserted if the element stays picked up for the time defined by the selected inverse curve and the magnitude of the current.
Page 200 S3 PROTECTION CHAPTER 6: SETPOINTS PH TOC1(2) RESET Range: Instantaneous, Linear Default: Instantaneous This setting provides for the selection of an Instantaneous or Linear reset time. If Instantaneous reset is selected, the phase TOC element will reset instantaneously providing the current drops below 97-99% of the Phase TOC PKP level before the time for operation is reached.
Page 201 CHAPTER 6: SETPOINTS S3 PROTECTION Figure 26: Phase Time Overcurrent Protection logic diagram 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–89 Courtesy of NationalSwitchgear.com...
Page 202: Phase Instantaneous Overcurrent Protection
S3 PROTECTION CHAPTER 6: SETPOINTS Phase instantaneous The 345 relay has two identical instantaneous overcurrent protections - Phase IOC1, and overcurrent Phase IOC2 per protection group. Each of them consists of three separate instantaneous overcurrent relays; one per phase, with identical settings. . protection The following path is available using the keypad.
Page 203 CHAPTER 6: SETPOINTS S3 PROTECTION OUTPUT RELAY 3 to 6 Range: Do not operate, Operate Default: Do not operate Any or all of the output relays 3 to 6 can be selected to operate upon phase IOC operation. Relay outputs operation is available no matter whether the Latched Alarm, Alarm, or Trip function is selected.
Page 204 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 27: Phase Instantaneous Overcurrent Protection logic diagram 6–92 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 205 CHAPTER 6: SETPOINTS S3 PROTECTION Ground timed The relay has two Ground Time Overcurrent elements per setpoint group. The settings of overcurrent the function are applied to the measured winding ground input current to produce pickup and trip flags. The Ground TOC pickup flag is asserted, when the ground current is above protection the PKP value.
Page 206 S3 PROTECTION CHAPTER 6: SETPOINTS GND TOC1(2) CURVE Range: ANSI Extremely/Very/Moderately/Normally Inverse, Definite Time IEC Curve A/B/ C and Short Inverse IAC Extremely/Very/Inverse/Short User Curve, FlexCurve A, FlexCurve Default: Extremely Inverse This setting sets the shape of the selected overcurrent inverse curve. If none of the standard curve shapes is appropriate, a custom User curve, or FlexCurve can be created.
Page 207 CHAPTER 6: SETPOINTS S3 PROTECTION BLOCK 1/2/3 Range: Off, Contact Input 1 to 10, Virtual Input 1 to 32, Remote Input 1 to 32, Logic Element 1 to 16 Default: Off Three blocking inputs are provided in the Ground TOC menu. When any of the selected blocking inputs - Contact input, Virtual Input, Remote Input, or Logic Element - turn on, the Phase TOC function is blocked.
Page 208 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 28: Ground/Sensitive Ground Timed Overcurrent Protection logic diagram 6–96 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 209: Ground Instantaneous Overcurrent Protection
CHAPTER 6: SETPOINTS S3 PROTECTION Ground instantaneous The relay has two Ground/Sensitive Ground Instantaneous Overcurrent protections per overcurrent setpoint group. The settings of these functions are applied to the measured ground, or sensitive ground current for producing pickup and trip flags. The Ground IOC pickup flag is protection asserted when the ground current is above the PKP value.
Page 210 S3 PROTECTION CHAPTER 6: SETPOINTS RLY1 TRIP W1 BKR and RLY2 TRIP W2 BKR Range: Do Not Operate, Operate Default: Do Not Operate The menu for the two trip output relays - RLY1 TRIP W1 BKR and RLY2 TRIP W2 BKR - is available only if the Trip setting is selected as a function for the Ground IOC element.
Page 211 CHAPTER 6: SETPOINTS S3 PROTECTION Figure 29: Ground/Sensitive Ground Instantaneous Overcurrent Protection logic diagram 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–99 Courtesy of NationalSwitchgear.com...
Page 212 S3 PROTECTION CHAPTER 6: SETPOINTS Neutral timed The relay has two Neutral Time Overcurrent elements per setpoint group. The settings of overcurrent this function are applied to the calculated neutral current to produce pickup and trip flags. The Neutral TOC pickup flag is asserted when the neutral current is above the PKP value. protection The Neutral TOC trip flag is asserted if the element stays picked up for the time defined by the selected inverse curve and the magnitude of the current.
Page 213 CHAPTER 6: SETPOINTS S3 PROTECTION NTRL TOC1(2) RESET Range: Instantaneous, Linear Default: Instantaneous Selection of an Instantaneous or Linear reset time is provided using this setting. If Instantaneous reset is selected, the Neutral TOC element will reset instantaneously providing the current drops below 97-99% below the Neutral TOC PKP level before the time for operation is reached.
Page 214 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 30: Neutral Timed Overcurrent Protection logic diagram 6–102 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 215: Neutral Instantaneous Overcurrent Protection
CHAPTER 6: SETPOINTS S3 PROTECTION Neutral The relay has two Instantaneous Overcurrent elements per setpoint group. The settings of instantaneous this function are applied to the calculated neutral current to produce pickup and trip flags. The Neutral IOC pickup flag is asserted when the neutral current is above the PKP value. overcurrent The Neutral IOC operate flag is asserted if the element stays picked up for the time defined protection...
Page 216 S3 PROTECTION CHAPTER 6: SETPOINTS OUTPUT RELAY 3 to 6 Range: Do Not Operate, Operate Default: Do Not Operate Any or all of the output relays 3 to 6 can be selected to operate upon the Neutral IOC operation. The selection of relay outputs operation is available no matter whether the Latched Alarm, Alarm, or Trip function is selected.
Page 217 CHAPTER 6: SETPOINTS S3 PROTECTION Figure 31: Neutral Instantaneous Overcurrent Protection logic diagram 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–105 Courtesy of NationalSwitchgear.com...
Page 218: Negative Sequence Timed Overcurrent Protection
S3 PROTECTION CHAPTER 6: SETPOINTS Negative sequence The 345 relay has two Negative Sequence Overcurrent elements per setpoint group. The timed overcurrent negative sequence overcurrent protection responds to negative sequence |I |current, where it is calculated as . protection The negative sequence overcurrent elements are uniquely suited to detect phase-phase faults and are not sensitive to balanced loads.
Page 219 CHAPTER 6: SETPOINTS S3 PROTECTION NEG SEQ TOC1(2) TDM Range: 0.05 to 20.00 in steps of 0.01 Default: 1.00 This setting provides a selection for Time Dial Multiplier, which modifies the time response of the selected curve. For example if an ANSI Extremely Inverse curve is selected with TDM = 2, and the fault current was 5 times bigger than the PKP level, the operation of the element will not occur before the elapse of 2.59 seconds from pickup.
Page 220 S3 PROTECTION CHAPTER 6: SETPOINTS Figure 32: Negative Sequence Timed Overcurrent logic diagram 6–108 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 221: S4 Controls
CHAPTER 6: SETPOINTS S4 CONTROLS S4 Controls Figure 33: Controls menu S4 CONTROLS S4 CHANGE SETP GROUP CHANGE SETP GROUP VIRTUAL INPUTS SET GROUP 2 ACTIVE ▼ LOGIC ELEMENTS ▼ BLK GROUP CHANGE W1 BREAKER FAIL W2 BREAKER FAIL S4 VIRTUAL INPUTS RESET VIRTUAL INPUT 1 ▼...
Page 222 S4 CONTROLS CHAPTER 6: SETPOINTS will maintain Setpoint Group 1, even if the input “SET GROUP 2 ACTIVE” is asserted. Vice versa, if the “BLK GROUP CHANGE” input is asserted; the relay will not switch from Group 2 to Group 1, even if the input under “SET GROUP 2 ACTIVE” is de-asserted. The relay will default to Setpoint Group 1, if both the input “SET GROUP 2 ACTIVE”...
Page 223: Virtual Inputs
CHAPTER 6: SETPOINTS S4 CONTROLS Figure 34: Switching setpoint groups - Logic diagram LED: Setpoint Group 2 LED: Setpoint Group 2 SETPOINT SET GROUP 2 ACTIVE SET GROUP 2 ACTIVE Use Setpoint Group 2 Use Setpoint Group 2 SETPOINT BLK GROUP CHANGE BLK GROUP CHANGE ACTUAL VALUES ACTUAL VALUES...
Page 224: Logic Elements
S4 CONTROLS CHAPTER 6: SETPOINTS Figure 35: Virtual inputs scheme logic SETPOINT V INPUT FUNCTION Disabled = 0 Enabled = 1 “Virtual Input 1 to ON = 1" From Control LATCH menu ACTUAL VALUES “Virtual Input 1 to OFF = 0" V INPUT 1 NAME: (Operand) V Input 1 Status...
Page 225 CHAPTER 6: SETPOINTS S4 CONTROLS LE1(16) ASSERTED Range: On, Off Default: Off This setting defines the Logic Element state “On” or “Off” to be used as an output. The asserted “On” selection provides an output “high” when the LE is "On". If asserted “Off” is selected, then the LE output will be “high”, when the LE is “Off”.
Page 226 S4 CONTROLS CHAPTER 6: SETPOINTS Figure 36: Logic Element logic diagram 6–114 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 227 CHAPTER 6: SETPOINTS S4 CONTROLS The following table, from the 345 Communications Guide, shows the list of available Logic Inputs. Code Type Definition FC134C unsigned 16 bits Logic Element Trigger 0x0040 Contact IN 1 On 0x0041 Contact IN 2 On 0x0042 Contact IN 3 On 0x0043...
Page 228 S4 CONTROLS CHAPTER 6: SETPOINTS Code Type Definition 0x0096 Virtual IN 23 On 0x0097 Virtual IN 24 On 0x0098 Virtual IN 25 On 0x0099 Virtual IN 26 On 0x009A Virtual IN 27 On 0x009B Virtual IN 28 On 0x009C Virtual IN 29 On 0x009D Virtual IN 30 On 0x009E...
Page 229 CHAPTER 6: SETPOINTS S4 CONTROLS Code Type Definition 0x01C5 Remote IN 6 On 0x01C6 Remote IN 7 On 0x01C7 Remote IN 8 On 0x01C8 Remote IN 9 On 0x01C9 Remote IN 10 On 0x01CA Remote IN 11 On 0x01CB Remote IN 12 On 0x01CC Remote IN 13 On 0x01CD...
Page 230 S4 CONTROLS CHAPTER 6: SETPOINTS Code Type Definition 0x01F4 Remote IN 21 Off 0x01F5 Remote IN 22 Off 0x01F6 Remote IN 23 Off 0x01F7 Remote IN 24 Off 0x01F8 Remote IN 25 Off 0x01F9 Remote IN 26 Off 0x01FA Remote IN 27 Off 0x01FB Remote IN 28 Off 0x01FC...
Page 231 CHAPTER 6: SETPOINTS S4 CONTROLS Code Type Definition 0x9084 Gnd IOC1 Trip DPO 0x90C1 Ph TOC1 Trip PKP 0x90C2 Ph TOC1 Trip OP 0x90C4 Ph TOC1 Trip DPO 0x9101 Ntrl TOC1 Trip PKP 0x9102 Ntrl TOC1 Trip OP 0x9104 Ntrl TOC1 Trip DPO 0x9141 Gnd TOC1 Trip PKP 0x9142...
Page 232 S4 CONTROLS CHAPTER 6: SETPOINTS Code Type Definition 0x97C2 Inst Diff Trip OP 0x97C4 Inst Diff Trip DPO 0x9801 NSeq TOC1 Trip PKP 0x9802 NSeq TOC1 Trip OP 0x9804 NSeq TOC1 Trip DPO 0x9841 NSeq TOC2 Trip PKP 0x9842 NSeq TOC2 Trip OP 0x9844 NSeq TOC2 Trip DPO 0x99C1...
Page 233 CHAPTER 6: SETPOINTS S4 CONTROLS Code Type Definition 0xA544 LE 3 Alarm DPO 0xA581 LE 4 Alarm PKP 0xA582 LE 4 Alarm OP 0xA584 LE 4 Alarm DPO 0xA5C1 LE 5 Alarm PKP 0xA5C2 LE 5 Alarm OP 0xA5C4 LE 5 Alarm DPO 0xA601 LE 6 Alarm PKP 0xA602...
Page 234 S4 CONTROLS CHAPTER 6: SETPOINTS Code Type Definition 0xB0C1 Ph TOC1 Alarm PKP 0xB0C2 Ph TOC1 Alarm OP 0xB0C4 Ph TOC1 Alarm DPO 0xB101 Ntrl TOC1 Alrm PKP 0xB102 Ntrl TOC1 Alrm OP 0xB104 Ntrl TOC1 Alrm DPO 0xB141 Gnd TOC1 Alarm PKP 0xB142 Gnd TOC1 Alarm OP 0xB144...
Page 235 CHAPTER 6: SETPOINTS S4 CONTROLS Code Type Definition 0xB7C4 Inst Diff Alrm DPO 0xB801 NSeq TOC1 Alrm PKP 0xB802 NSeq TOC1 Alrm OP 0xB804 NSeq TOC1 Alrm DPO 0xB841 NSeq TOC2 Alrm PKP 0xB842 NSeq TOC2 Alrm OP 0xB844 NSeq TOC2 Alrm DPO 0xB9C1 SGnd TOC2 Alrm PKP 0xB9C2...
Page 236 S4 CONTROLS CHAPTER 6: SETPOINTS Code Type Definition 0xC502 LE 2 OP 0xC504 LE 2 DPO 0xC541 LE 3 PKP 0xC542 LE 3 OP 0xC544 LE 3 DPO 0xC581 LE 4 PKP 0xC582 LE 4 OP 0xC584 LE 4 DPO 0xC5C1 LE 5 PKP 0xC5C2...
Page 237 CHAPTER 6: SETPOINTS S4 CONTROLS Code Type Definition 0xDCC2 LE 12 OP 0xDCC4 LE 12 DPO 0xDD01 LE 13 PKP 0xDD02 LE 13 OP 0xDD04 LE 13 DPO 0xDD41 LE 14 PKP 0xDD42 LE 14 OP 0xDD44 LE 14 DPO 0xDD81 LE 15 PKP 0xDD82...
Page 238: Winding Breaker Failure
S4 CONTROLS CHAPTER 6: SETPOINTS Winding breaker failure There are two Breaker Failure functions, one per winding breaker. The BF function monitors the phase currents after a trip command from a protection element is initiated. If any phase current is above the set current level after the BF DELAY timer/timers expire, a Breaker Failure will be declared, and will operate the selected output relays.
Page 239 CHAPTER 6: SETPOINTS S4 CONTROLS OUTPUT RELAY 3 to 6 Range: Do Not Operate, Operate Default: Do Not Operate Any or all of the output relays 3 to 6 can be selected to operate upon Breaker Failure detection. The selection of relay outputs operation is available no matter whether the Latched Alarm, Alarm, or Trip function is selected.
Page 240 S4 CONTROLS CHAPTER 6: SETPOINTS Figure 37: Breaker Failure logic diagram 6–128 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 241: S5 Inputs/Outputs
CHAPTER 6: SETPOINTS S5 INPUTS/OUTPUTS S5 Inputs/Outputs Figure 38: Inputs/Outputs menu S5 INPUTS/OUTPUTS CONTACT INPUTS S5 CONTACT INPUTS OUTPUT RELAYS SELECT DC VOLTAGE ▼ VIRTUAL INPUTS S5 DEBOUNCE TIME CONTACT INPUT 1 CONTACT INPUT 1 CONTACT INPUT 2 ▼ CONTACT INPUT 2 CONTACT INPUT 10 CONTACT INPUT 3 DEBOUNCE TIME...
Page 242: Output Relays
S5 INPUTS/OUTPUTS CHAPTER 6: SETPOINTS The contact inputs are either open or closed with a programmable debounce time to prevent false operation from induced voltage. Because of de-bouncing, momentary contacts must have a minimum dwell time greater than half power frequency cycle. The debounce time is adjustable by the user.
Page 243 CHAPTER 6: SETPOINTS S5 INPUTS/OUTPUTS will remain operational until the requested change of breaker state is confirmed by a breaker auxiliary contact and the initiating condition has reset. • If the initiating feature resets, but the breaker does not change state, the output relay will be reset after a default interval of 2 seconds.
Page 244 S5 INPUTS/OUTPUTS CHAPTER 6: SETPOINTS BLOCK RLY 2 TRIP Range: Disabled, Contact Input 1 to 10, Virtual Input 1 to 32, Remote Input 1 to 32, Logic Elements 1 to 16 Default: Disabled This setting defines a block to the Close Output relay. When the selected input is asserted, the Close Output relay will be blocked.
Page 245 CHAPTER 6: SETPOINTS S5 INPUTS/OUTPUTS Figure 39: Relay 1 "TRIP" and Relay #2 "TRIP" logic diagram 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–133 Courtesy of NationalSwitchgear.com...
Page 246: Auxiliary Output Relays 3 To 6
S5 INPUTS/OUTPUTS CHAPTER 6: SETPOINTS Auxiliary Output The 345 relay is equipped with four auxiliary output relays numbered from 3 to 6. All these Relays 3 to 6 relays are available for selection for operation of protection, control, or maintenance features.
Page 247 CHAPTER 6: SETPOINTS S5 INPUTS/OUTPUTS VI x NAME Range: Select Alpha-Numeric Name Default: Virtual IN x VI x FUNCTION Range: Disabled/Enabled Default: Disabled The Virtual Input is enabled and ready to be triggered when set to Enabled. All virtual inputs will appear under the menu.
Page 248: Remote Inputs
S5 INPUTS/OUTPUTS CHAPTER 6: SETPOINTS Remote inputs Remote Inputs are available for programming under the EnerVista SR3 Setup software. Refer to the 345 Communications Guide for details. Remote outputs Remote Inputs are available for programming under the EnerVista SR3 Setup software. Refer to the 345 Communications Guide for details.
Page 249: Maintenance
Digital Energy Multilin 345 Transformer Protection System Chapter 7: Maintenance Maintenance Information about the relay and the breaker can be obtained through the features included in the Maintenance page. 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 7–1 Courtesy of NationalSwitchgear.com...
Page 250 CHAPTER 7: MAINTENANCE Figure 1: Maintenance main menu MAINTENANCE W1 BKRTRIP COIL M1 RELAY INFO M1 RELAY INFO RLY1 COIL FUNCTION RELAY NAME M3 BKR MAINTENANCE ▼ ▼ M4 BKR MONITOR RLY1 COIL DELAY ▼ ORDER CODE BYPASS BKR STATUS MAIN FIRMWARE REV M5 RELAY MAINT OUTPUT RELAY 3...
Page 251 CHAPTER 7: MAINTENANCE M1 RELAY INFORMATION M1 Relay information PATH: MAINTENANCE > M1 RELAY INFO RELAY NAME Range: alpha-numeric name of up to 18 characters Default: Transformer Name ORDER CODE 345-EPSG5HEMNN2EDN This screen shows the relay order code. MAIN FIRMWARE REV 1.30 This screen shows the relay firmware revision.
Page 252 M1 RELAY INFORMATION CHAPTER 7: MAINTENANCE COMM BOOT DATE Nov 27 2009 This screen shows the relay communication boot code date. COMM BOOT TIME 14:48:29 This screen shows the relay communication boot code time. SERIAL NUMBER BL0A09000684 Each 345 relay has a unique Serial Number. ETHERNET MAC ADR 00.A0.F4.08.A0.D8 Each 345 relay has a unique Mac Address.
Page 253: M3 Breaker Maintenance
CHAPTER 7: MAINTENANCE M3 BREAKER MAINTENANCE M3 Breaker maintenance W1 (W2) Breaker trip coil The Trip coil monitoring is performed by a built-in voltage monitor on the Form A output relays: RLY1 W1 BKR TRIP and RLY2 W2 BKR TRIP. The voltage monitor is connected across the Form A contact, and effectively the relay detects healthy current through the circuit.
Page 254 M3 BREAKER MAINTENANCE CHAPTER 7: MAINTENANCE Figure 3: Trip circuits with continuous monitoring DC + Output Relay 1 (TRIP) External jumper By-pass 52a contact resistor Trip Coil 897787.cdr DC - DC + Output Relay 2 (TRIP) External jumper By-pass 52a contact resistor Trip Coil...
Page 255 CHAPTER 7: MAINTENANCE M3 BREAKER MAINTENANCE RLY1(2) COIL DELAY Range: 1 to 10 sec in steps of 1 sec Default: 5 s This setting defines the RLY1(2) Coil Monitor Delay, before targets appear on the display, “ALARM” and “MAINTENANCE” LEDs light up on the front panel, and selected output relays operate.
Page 256 M3 BREAKER MAINTENANCE CHAPTER 7: MAINTENANCE Figure 4: Trip coil monitoring logic diagram 7–8 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 257: M4 Breaker Monitor
CHAPTER 7: MAINTENANCE M4 BREAKER MONITOR M4 Breaker monitor The status of the breaker trip coils, as well as the trip circuits, can be monitored under MAINTENANCE > M4 BKR MONITOR. In the case where a breaker coil or circuit fails, the relay will display the message "Unhealthy"...
Page 258: M5 Relay Maintenance
M5 RELAY MAINTENANCE CHAPTER 7: MAINTENANCE M5 Relay maintenance Ambient temperature The SR3 has a temperature monitor feature that measures the ambient temperature around the chassis of the relay. The relay extrapolates the ambient temperature from an internal temperature sensor inside the product. This feature can be used to signal the customer that the product is being subjected to temperatures that can degrade the product life and proper action should be initiated.
Page 259 CHAPTER 7: MAINTENANCE M5 RELAY MAINTENANCE OUTPUT RELAY 3 to 6 Range: Do Not Operate, Operate Default: Do Not Operate Any assignable output relay can be selected to operate upon Ambient Temperature Alarm operation. Figure 5: Ambient Temperature Alarm logic diagram 345 TRANSFORMER PROTECTION SYSTEM –...
Page 260 M5 RELAY MAINTENANCE CHAPTER 7: MAINTENANCE 7–12 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...
Page 261 RELEASE DATE 1601-9098-A1 12 February 2010 1601-9098-A2 6 December 2010 1601-9098-A4 9 May 2011 Table 2: Major Updates for SR345-A4 Page Number CHANGES Manual revision number from A3 to A4 Terminal Lug information added to Electrical Installn. Chapter 2 Section...
Page 262 CHANGE NOTES APPENDIX Table 3: Major Updates for SR345-A2 Page Number CHANGES General Minor Corrections appendix - 2 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL Courtesy of NationalSwitchgear.com...

GE SR345 Instruction Manual

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