what is trip circuit supervision relay? How does it work in
switchgear?
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Answer Posted / hanuman
trip circuit supervision relay is the relay which
supervises the trip circuit of the circuit breaker. It even
tests wheather dc supply to trip circuit is under proper
condition or not. some times trip circuit gives signal to
circuit breaker, but circuit breaker doesn't break the
circuit, then supervision relay makes circuit to break by
LBB.
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