Over current relays with Standard Inverse (SI) Curve operation, Fault current is 4,000 A.
If you want the relay to operate at 1.5 seconds, CT Ratio is 800/5,current value setting is 100%, what will be the TMS setting?
A. TMS = 0.3
B. TMS = 0.2
C. TMS = 0.25
D. TMS = 0.35
Show Answer
Answer: D
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