Standard Inverse Overcurrent Relay connected to the current transformer (CT) with Current Ratio of 1000/5 A, TMS = 0.2, set at 100% if the current size is caused 5,000 A, relay operating time is
A. 0.43 seconds
B. 4.30 seconds
C. 0.80 seconds
D. 0.86 seconds
Show Answer
Answer: D
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