Over current relays Extremely Inverse (EI) [IEC 60255] by setting TMS to 0.5 if using CT Ratio 1200/5 A and adjusting the current to 100% When the fault occurs and the value is equal to 7,000 A.
What will be the tripping time?
A. 0.094 seconds
B. 2.422 seconds
C. 1.667 seconds
D. 1.211 seconds
Show Answer
Answer: D
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