Schweitzer Engineering Laboratories SEL-251-1 Instruction Manual

Distribution relay; phase overcurrent relay; ground overcurrent relay; multiple shot reclosing relay; selectable setting groups; circuit breaker monitor; fault locator; selogic control equations

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SEL-251-1

DISTRIBUTION RELAY

PHASE OVERCURRENT RELAY

GROUND OVERCURRENT RELAY

MULTIPLE SHOT RECLOSING RELAY

SELECTABLE SETTING GROUPS

CIRCUIT BREAKER MONITOR

FAULT LOCATOR

SEL

CONTROL EQUATIONS

OGIC

INSTRUCTION MANUAL

SCHWEITZER ENGINEERING LABORATORIES, INC.

2350 NE HOPKINS COURT

PULLMAN, WA USA 99163-5603

TEL: (509) 332-1890

FAX: (509) 332-7990

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Summary of Contents for Schweitzer Engineering Laboratories SEL-251-1

Page 1 PHASE OVERCURRENT RELAY GROUND OVERCURRENT RELAY MULTIPLE SHOT RECLOSING RELAY SELECTABLE SETTING GROUPS CIRCUIT BREAKER MONITOR FAULT LOCATOR ® CONTROL EQUATIONS OGIC INSTRUCTION MANUAL SCHWEITZER ENGINEERING LABORATORIES, INC. 2350 NE HOPKINS COURT PULLMAN, WA USA 99163-5603 TEL: (509) 332-1890 FAX: (509) 332-7990...
Page 2 You may not copy, alter, disassemble, or reverse-engineer the software. You may not provide the software to any third party. All brand or product names appearing in this document are the trademark or registered trademark of their respective holders. Schweitzer Engineering Laboratories, SEL , Connectorized, Job Done, SEL-PROFILE, SEL-5030...
Page 5 - ,QFRUSRUDWHG ³-XPSHU ,QVWDOODWLRQ ,QVWUXFWLRQV´ DGGHQGXP - $GGHG 3OXJ,Q &RQQHFWRU UHDU SDQHO YLHZ WR )LJXUH - ,QFRUSRUDWHG ³6(/ 6HULHV 6KDOORZ 5HOD\ +DUGZDUH´ DGGHQGXP - $GGHG )LJXUH '& H[WHUQDO FRQQHFWLRQV IRU 3OXJ,Q &RQQHFWRU PRGHO Date Code 20020212 Manual Change Information SEL-251-1 Instruction Manual...
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Page 7 APPENDICES Appendix A: Firmware Versions Appendix B: Main Board Jumper Connector and Socket Locations Appendix C: Onebus: Program to Compute Test Set Settings for Testing Distance Relays SEL-251-1 RELAY COMMAND SUMMARY Date Code 20020212 Table of Contents SEL-251-1 Instruction Manual...
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Page 11 )LHOGSURYHQ KDUGZDUH QHZ EDFNXS FRQFHSWV œ )OH[LELOLW\ FRQWURO HTXDWLRQV KDQGOH YLUWXDOO\ HYHU\ FRQFHLYDEOH VFKHPH 2*,& œ &DSDELOLW\ %ULQJV WUDQVPLVVLRQ UHOD\ IHDWXUHV WR GLVWULEXWLRQ DSSOLFDWLRQV œ (FRQRP\ /RZ SULFH DQG XQLTXH IHDWXUHV PDNH WKH UHOD\ DQ H[FHSWLRQDO YDOXH Date Code 20000503 Introduction SEL-251-1 Instruction Manual...
Page 12 Six Selectable Groups of Settings and Logic 7KH UHOD\ VWRUHV VL[ VHWWLQJ JURXSV 6HOHFW WKH DFWLYH VHWWLQJ JURXS E\ FRQWDFW LQSXW RU FRPPDQG 8VH WKHVH VHWWLQJ JURXSV WR FRYHU D ZLGH UDQJH RI GLVWULEXWLRQ IHHGHU SURWHFWLRQ FRQWLQJHQFLHV Introduction Date Code 20000503 SEL-251-1 Instruction Manual...
Page 13 IRU ORDG HQFURDFKPHQW DQG XQEDODQFH WKURXJK LQVWDQWDQHRXV GHPDQG DQG SHDNGHPDQG PHDVXUHPHQWV Access SEL-251-1 Relay Information Via the SEL-RD Relay Display <RX FDQ FRQQHFW XS WR IRXU 6(/ 5HOD\V WR RQH 6(/5' 5HOD\ 'LVSOD\ $FFHVV UHOD\ WDUJHW PHWHU VWDWXV IDXOW KLVWRU\ DQG FLUFXLW EUHDNHU LQIRUPDWLRQ YLD WKH UHOD\ GLVSOD\ <RX FDQ...
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Schweitzer Engineering Laboratories SEL-251-1 Instruction Manual

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