An IDMT over current relay has a current setting of 15% and has a time multiplier setting of 0.5. The relay is connected in the circuit through a CT having 500: 5. The time of operation of the relay if the circuit carries a fault current of 6000 A is ________ sec

An IDMT over current relay has a current setting of 15% and has a time

1.	An IDMT over current relay has a current setting of 15% and has a time multiplier setting of 0.5. The relay is connected in the circuit through a CT having 500: 5. The time of operation of the relay if the circuit carries a fault current of 6000 A is ________ sec
A.	157.5 sec.
B.	15.75 sec.
C.	1.575 sec.
D.	1575 sec.
Answer» D. 1575 sec.

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An IDMT over current relay has a current setting of 15% and has a time multiplier setting of 0.5. The relay is connected in the circuit through a CT having 500: 5. The time of operation of the relay if the circuit carries a fault current of 6000 A is ________ sec

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