Overcurrent Relay has a Curve of Long Time Inverse (LTI) in accordance with IEC 60255, where the PSM = 5 and TMS = 1, relays will work for 30 seconds.
Let the relay work with 3.0 seconds at the same PMS value. What is the TMS value?
A. 10.0
B. 0.1
C. 0.2
D. 0.01
Show Answer
Answer: B
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