IDMT relays are used to protect the transformer against : External short circuits
Answer : The inverse definite mean time relays are used for over current and earth fault protection of transformer against internal short-circuits. ...
To protect the power transformer (Y-Y with neutral grounded) against fault, what type of connection do the CTs have ? Answer : To protect the power transformer (Y-Y with neutral grounded) against fault, what type of connection do the CTs have ? Δ-Δ connection ...
Answer : Thermal overload relays are used to protect the motor against overcurrent due to heavy loads. ...
Answer : The single phasing relays are used for the protection of three phase motors. ...
Answer : Impedance relays are used for phase faults on long line. ...
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