Schweitzer Engineering Laboratories SEL-351S User manual

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SEL-351S
RELAY
METER
CONTROL
FAULT LOCATOR
INSTRUCTION MANUAL
SCHWEITZER ENGINEERING LABORATORIES, INC.
2350 NE HOPKINS COURT
PULLMAN, WA USA 99163-5603
TEL: [phone] FAX: [phone]

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The software (firmware), schematic drawings, relay commands, and relay messages are copyright protected by the United States Copyright Law and
International Treaty provisions. ll rights are reserved.
You may not copy, alter, disassemble, or reverse-engineer the software. You may not provide the software to any third party.
ll brand or product names appearing in this document are the trademark or registered trademark of their respective holders.
Schweitzer Engineering Laboratories, SELogic, Connectorized, Job Done, SEL-PROFILE, CSELER TOR, and are registered trademarks of Schweitzer
Engineering Laboratories.
The English language manual is the only approved SEL manual.
Copyright © SEL 1999, 2000, 2001 ( ll rights reserved) Printed in US .
This product is covered by U.S. Patent Numbers: 5,041,737; 5,208,545; 5,317,472; 5,349,490; 5,365,396; 5,367,426; 5,479,315; 5,515,227; 5,602,707;
5,652,688; 5,694,281; 5,790,418; 5,793,750; 5,883,578. U.S. Patent(s) pending, and Foreign Patent(s) issued and pending.
This product is covered by the standard SEL 10-year warranty. For warranty details, visit www.selinc.com or contact your customer service
representative. PM351S-01

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Date Code 20011129 Manual Change Information i
SEL-351S Instruction Manual
MANUAL CHANGE INFORMATION 
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ii Manual Change Information Date Code 20011129
SEL-351S Instruction Manual
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Date Code 20011129 Manual Change Information
SEL-351S Instruction Manual
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Date Code 20011129 Table of Contents i
SEL-351S Instruction Manual
SEL-351S INSTRUCTION MANUAL
TABLE OF CONTENTS
SECTION 1: INTRODUCTION AND SPECIFICATIONS
SECTION 2: INSTALLATION
SECTION 3: OVERCURRENT, VOLTAGE, SYNCHRONISM CHECK,
FREQUENCY, AND POWER ELEMENTS
SECTION : LOSS-OF-POTENTIAL, LOAD ENCROACHMENT, AND
DIRECTIONAL ELEMENT LOGIC
SECTION 5: TRIP AND TARGET LOGIC
SECTION 6: CLOSE AND RECLOSE LOGIC
SECTION 7: INPUTS, OUTPUTS, TIMERS, AND OTHER CONTROL LOGIC
SECTION 8: BREAKER MONITOR, METERING, AND LOAD PROFILE
FUNCTIONS
SECTION 9: SETTING THE RELAY
SECTION 10: SERIAL PORT COMMUNICATIONS AND COMMANDS
SECTION 11: FRONT-PANEL INTERFACE
SECTION 12: STANDARD EVENT REPORTS, SAG/SWELL/INTERRUPTION
REPORT, AND SER
SECTION 13: TESTING AND TROUBLESHOOTING
SECTION 1 : APPENDICES
Appendix A: Firmware Versions
Appendix B: Firmware Upgrade Instructions
Appendix C: SEL Distributed Port Switch Protocol
Appendix D: Configuration,
Fast Meter , and Fast Operate Commands
Appendix E: Compressed ASCII Commands
Appendix F: Setting Negative-Sequence Overcurrent Elements
Appendix G: Setting SELOGIC® Control Equations
Appendix H: Distributed Network Protocol (DNP) 3.00
Appendix I: MIRRORED BITS™ Communications
Appendix J: SEL-5030 ACSELERATOR®
SECTION 15: SEL-351S RELAY COMMAND SUMMARY

Date Code 20011129 Introduction and Specifications i
SEL-351S Instruction Manual
TABLE OF CONTENTS
SECTION 1:INTRODUCTION AND SPECIFICATIONS.......................... 1-1
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+DUGZDUH&RQQHFWLRQ)HDWXUHV 
&RPPXQLFDWLRQV&RQQHFWLRQV 
*HQHUDO6SHFLILFDWLRQV 
3URFHVVLQJ6SHFLILFDWLRQV  
5HOD\(OHPHQW3LFNXS5DQJHVDQG$FFXUDFLHV   
,QVWDQWDQHRXV'HILQLWH7LPH2YHUFXUUHQW(OHPHQWV  
7LPH2YHUFXUUHQW(OHPHQWV  
8QGHUDQG2YHUYROWDJH(OHPHQWV 
6\QFKURQLVP&KHFN(OHPHQWV  
8QGHUDQG2YHUIUHTXHQF\(OHPHQWV 
7LPHUV 
6XEVWDWLRQ%DWWHU\9ROWDJH0RQLWRU  
0HWHULQJ$FFXUDF\  
3RZHU(OHPHQW$FFXUDF\ 
TABLES
7DEOH 6(/65HOD\0RGHOV  
7DEOH 6(/6)LUPZDUH9HUVLRQV 
FIGURES
)LJXUH 6(/65HOD\V$SSOLHG7KURXJKRXWWKH3RZHU6\VWHP   
)LJXUH 6(/65HOD\,QSXWV2XWSXWVDQG&RPPXQLFDWLRQV3RUWV([WUD,2%RDUGVLQ
)LJXUHDQG)LJXUH 
)LJXUH 6(/65HOD\([WUD,2%RDUG0RGHO6[<3OXJ,Q&RQQHFWRU9HUVLRQ
0DLQ%RDUG6KRZQLQ)LJXUH  
)LJXUH6(/65HOD\([WUD,2%RDUG0RGHO6[6FUHZ7HUPLQDO%ORFN9HUVLRQ
0DLQ%RDUG6KRZQLQ)LJXUH  
)LJXUH 6(/65HOD\&RPPXQLFDWLRQV&RQQHFWLRQV([DPSOHV  
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Date Code 20011129 Introduction and Specifications 1-1
SEL-351S Instruction Manual
SECTION 1: INTRODUCTION AND SPECIFICATIONS
7KLVVHFWLRQLQFOXGHVWKHIROORZLQJRYHUYLHZVRIWKH6(/65HOD\
6(/65HOD\0RGHOV
,QVWUXFWLRQ0DQXDO6HFWLRQV
$SSOLFDWLRQV
+DUGZDUH&RQQHFWLRQ)HDWXUHV
&RPPXQLFDWLRQV&RQQHFWLRQV
*HQHUDO6SHFLILFDWLRQV
SEL-351S RELAY MODELS
7KLVLQVWUXFWLRQPDQXDOFRYHUVWKHIROORZLQJ6(/65HOD\PRGHOV
7DEOH6(/65HOD\0RGHOV
0RGHO
1XPEHU
5HDU3DQHO
&RQQHFWLRQ
7\ H
2XW XW&RQWDFW
7\ H
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1-2 Introduction and Specifications Date Code 20011129
SEL-351S Instruction Manual
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INSTRUCTION MANUAL SECTIONS OVERVIEW
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Date Code 20011129 Introduction and Specifications 1-3
SEL-351S Instruction Manual
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1-4 Introduction and Specifications Date Code 20011129
SEL-351S Instruction Manual
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SEL-351S Instruction Manual
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SEL-351S Instruction Manual
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