Give the sequence of operations during the opening and closing of a circuit in substation?

All QuestionsCategory: Switchgear And ProtectionGive the sequence of operations during the opening and closing of a circuit in substation?
Chetan Shidling asked 2 weeks ago

I need short information.

1 Answers
Chetan Shidling answered 2 weeks ago

When opening the first open circuit breaker, then open the isolator and later close the earthing switch. When closing, first open earthing switch, then close isolator, and then close circuit breaker.

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