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What is Understanding Protective Relays in Power Systems about?
Protective relays detect abnormal electrical conditions in circuits and initiate circuit breaker operation to isolate faulty elements. Relays constantly measure electrical quantities like voltage, current, frequency and phase angle. Under faults, relays operate to close the trip circuit of the breaker, disconnecting the faulty circuit. Relays must select the faulty part, disconnect quickly, operate with low fault values, and reliably protect the system.
- Author
- baishyaarnab27
- Language
- EN