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Schweitzer Engineering Laboratories SEL-421-4 - Page 758

Schweitzer Engineering Laboratories SEL-421-4
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SEL-400 Series Relays Instruction Manual Date Code 20171006
Table of Contents
Autoreclose Logic Diagrams ..............................................................................................................................6.26
Manual Closing...................................................................................................................................................6.40
Voltage Checks for Autoreclosing and Manual Closing.....................................................................................6.43
Settings and Relay Word Bits for Autoreclosing and Manual Closing ..............................................................6.45
Section 7: Metering
Instantaneous Metering.........................................................................................................................................7.2
Maximum/Minimum Metering.............................................................................................................................7.5
Demand Metering .................................................................................................................................................7.6
Energy Metering .................................................................................................................................................7.10
Synchrophasor Metering.....................................................................................................................................7.10
Battery Metering .................................................................................................................................................7.11
RTD Metering .....................................................................................................................................................7.12
Protection Math Variable Metering.....................................................................................................................7.12
Automation Math Variable Metering..................................................................................................................7.13
M
IRRORED BITS Remote Analog Metering.........................................................................................................7.13
Section 8: Monitoring
Circuit Breaker Monitor........................................................................................................................................8.1
Station DC Battery System Monitor...................................................................................................................8.21
Section 9: Reporting
Data Processing.....................................................................................................................................................9.1
Triggering Data Captures and Event Reports .......................................................................................................9.6
Duration of Data Captures and Event Reports......................................................................................................9.7
Oscillography........................................................................................................................................................9.9
Event Reports, Event Summaries, and Event Histories......................................................................................9.13
Sequential Events Recorder (SER) .....................................................................................................................9.28
Signal Profiling ...................................................................................................................................................9.31
Section 10: Testing, Troubleshooting, and Maintenance
Testing Philosophy..............................................................................................................................................10.1
Testing Features and Tools..................................................................................................................................10.5
Test Methods.......................................................................................................................................................10.7
Relay Self-Tests ................................................................................................................................................10.15
Relay Troubleshooting......................................................................................................................................10.18
Maintenance......................................................................................................................................................10.22
TiDL Module Replacement ..............................................................................................................................10.30
Technical Support .............................................................................................................................................10.31
Section 11: Time and Date Management
IRIG-B Timekeeping ..........................................................................................................................................11.1
PTP Timekeeping................................................................................................................................................11.2
Time Source Selection ........................................................................................................................................11.4
Time Quality Indications ....................................................................................................................................11.5
Time-Synchronized Events .................................................................................................................................11.9
Section 12: Settings
Settings Structure................................................................................................................................................12.1
Multiple Setting Groups......................................................................................................................................12.4
Port Settings........................................................................................................................................................12.6
DNP3 Settings—Custom Maps ........................................................................................................................12.15
Front-Panel Settings..........................................................................................................................................12.15
Alias Settings ....................................................................................................................................................12.20
Protection Freeform SEL
OGIC Control Equations............................................................................................12.21
Automation Freeform SEL
OGIC Control Equations .........................................................................................12.21
Output Settings .................................................................................................................................................12.22
Report Settings..................................................................................................................................................12.23
Notes Settings ...................................................................................................................................................12.24

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