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SEL-787 Relay Instruction Manual Date Code 20150130
Table of Contents
Section 5: Metering and Monitoring
Overview ......................................................................................................................................................... 5.1
Power Measurement Conventions ................................................................................................................... 5.2
Metering .......................................................................................................................................................... 5.3
Small Signal Cutoff for Metering.................................................................................................................. 5.12
Load Profiling................................................................................................................................................ 5.12
Through-Fault Event Monitoring ..................................................................................................................5.13
Section 6: Settings
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
SEL-787 Settings Sheets
Section 7: Communications
Overview ......................................................................................................................................................... 7.1
Communications Interfaces............................................................................................................................. 7.1
Communications Protocols............................................................................................................................ 7.10
SEL ASCII Protocol and Commands............................................................................................................ 7.14
Section 8: Front-Panel Operations
Overview ......................................................................................................................................................... 8.1
Front-Panel Layout.......................................................................................................................................... 8.1
Human-Machine Interface............................................................................................................................... 8.2
Operation and Target LEDs........................................................................................................................... 8.12
Section 9: Analyzing Events
Overview ......................................................................................................................................................... 9.1
Event Reporting............................................................................................................................................... 9.2
Sequential Events Recorder (SER) Report.................................................................................................... 9.22
Section 10: Testing and Troubleshooting
Overview ....................................................................................................................................................... 10.1
Testing Tools.................................................................................................................................................. 10.1
Commissioning Tests..................................................................................................................................... 10.3
Periodic Tests (Routine Maintenance)......................................................................................................... 10.10
Self-Test....................................................................................................................................................... 10.11
Troubleshooting...........................................................................................................................................10.15
Factory Assistance....................................................................................................................................... 10.15
Appendix A: Firmware and Manual Versions
Firmware......................................................................................................................................................... A.1
ICD File.......................................................................................................................................................... A.7
Instruction Manual........................................................................................................................................ A.10
Appendix B: Firmware Upgrade Instructions
Overview .........................................................................................................................................................B.1
Upgrade Firmware Using
ACSELERATOR QuickSet.......................................................................................B.2
Upgrade Firmware Using a Terminal Emulator ..............................................................................................B.6
Relays With IEC 61850 Option.......................................................................................................................B.8
Factory Assistance...........................................................................................................................................B.9
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