Over current relays with Very Inverse operation (VI) [IEC 60255] by setting TMS to 0.6 if using CT Ratio 600/5 A and adjusting the current to 100% when occurring the fault current is equal to 4,000 A.
Relay’s tripping time is
A. 1.429 seconds
B. 2.025 seconds
C. 2.382 seconds
D. 3.375 seconds
Show Answer
Answer: A
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