what is STUB protection in tranmission system and switch
yard area?
Answer Posted / kamal ghasemi
When the line isolator is open and the voltage from cvt to
distance relay is absent and the bus isolator and breaker
are closed; if a fault occurs between the line isolator and
the ct a feature in dist. relay called stub protection
which is an instatanious none diretional oc relay sends
trip command to breaker.This is usually in test and service
conditions.
Is This Answer Correct ? | 174 Yes | 14 No |
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