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What is the function of restraining coil in differential
relay? as well as restraining current?
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Answer Posted / gunasekaran
restaining coil is used for restaining the 2nd and 5th
hormonics in inrush current
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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?
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