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Power Systems, 3rd Edition
book

Power Systems, 3rd Edition

by Leonard L. Grigsby
December 2017
Intermediate to advanced
568 pages
19h 6m
English
CRC Press
Content preview from Power Systems, 3rd Edition

12

Transient Recovery Voltage

Thomas E. McDermott

Meltran, Inc.

12.1    Fault Interruption Process

12.2    Analysis Principles

12.3    TRV for Transformer-Fed Faults

12.4    TRV for Capacitor Bank Switch Opening

12.5    TRV for Line-Fed Faults

12.6    TRV for Current-Limiting Reactor Faults

12.7    Switchgear Tests and Standards

12.8    TRV Mitigation

References

Transient recovery voltage (TRV) refers to the voltage appearing across circuit breaker contacts after it interrupts current. The circuit breaker must withstand TRV in order to complete the current interruption process. For circuit breakers rated above 1 kV, the TRV is a crucial application criterion, along with several other important factors:

1.  Voltage rating

2.  Interrupting current ...

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Publisher Resources

ISBN: 9781439856345