railway RRB JE (CBT I + CBT II) Mock Test 2024 Power Systems Protective Relays Over Current Relays

A relay operates in 3 sec. when TMS = 0.7. A TMS is adjusted to 0.2, the operating time of relay is

1
0.857 sec.
2
0.456 sec.
3
0.67 sec.
4
0.58 sec.
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