What is the function of restraining coil in differential
relay? as well as restraining current?
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Answer Posted / madivalanagaraja@gmail.co
T the bias force produced due to the restraining coil greater than the operating force produced by the operating coil is relay is inoperative. When the internal fault occurs, the operating force becomes more than the bias force. Due to this, Beam moves and the trip contact sir closer to open a circuit breaker
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