The differential protection relay may lose its stability for through f – McqOptions

MCQOPTIONS

1.	The differential protection relay may lose its stability for through faults due to saturation of CT magnetic circuit during short circuit condition. To overcome this difficulty which of the following technique is used
A.	Biased differential relay
B.	Induction disc relay
C.	Stepped Tap changing method
D.	IDMTL Relay
Answer» B. Induction disc relay

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