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SEL-787 Relay
Instruction Manual
Date Code 20081022
Table of Contents
Section 5: Metering and Monitoring
Overview .......................................................................................................................................................... 5.1
Power Measurement Conventions.................................................................................................................... 5.2
Metering...........................................................................................................................................................5.3
Load Profiling ................................................................................................................................................ 5.11
Through-Fault Event Monitoring...................................................................................................................5.12
Overview .......................................................................................................................................................... 6.1
View/Change Settings With Front Panel.......................................................................................................... 6.2
View/Change Settings Over Communications Port ......................................................................................... 6.4
Setting Entry Error Messages ..........................................................................................................................6.6
Overview .......................................................................................................................................................... 7.1
Communications Interfaces ............................................................................................................................. 7.1
Communications Protocols .............................................................................................................................. 7.7
SEL ASCII Protocol and Commands ............................................................................................................ 7.10
Section 8: Front-Panel Operations
Overview .......................................................................................................................................................... 8.1
Front-Panel Layout ..........................................................................................................................................8.1
Human-Machine Interface ............................................................................................................................... 8.2
Operation and Target LEDs ........................................................................................................................... 8.12
Overview .......................................................................................................................................................... 9.1
Event Reporting ...............................................................................................................................................9.2
Sequential Events Recorder (SER) Report .................................................................................................... 9.21
Section 10: Testing and Troubleshooting
Overview ........................................................................................................................................................ 10.1
Testing Tools .................................................................................................................................................. 10.1
Commissioning Tests ..................................................................................................................................... 10.3
Periodic Tests (Routine Maintenance) ......................................................................................................... 10.11
Self-Test .......................................................................................................................................................10.11
Troubleshooting ...........................................................................................................................................10.14
Factory Assistance ....................................................................................................................................... 10.14
Appendix A: Firmware and Manual Versions
Firmware ......................................................................................................................................................... A.1
Instruction Manual .......................................................................................................................................... A.2
Appendix B: Firmware Upgrade Instructions
Appendix C: SEL Communications Processors
SEL Communications Protocols ..................................................................................................................... C.1
SEL Communications Processor .................................................................................................................... C.3
SEL Communications Processor and Relay Architecture .............................................................................. C.5
Appendix D: DNP3 Communications
Overview ......................................................................................................................................................... D.1
Introduction to DNP3...................................................................................................................................... D.1
DNP3 in the SEL-787 ..................................................................................................................................... D.6
DNP3 Documentation ................................................................................................................................... D.19
Содержание SEL-787
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