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In iduction motors the current is higher than normal for
both the cases when the voltage appllied is more than the
rated as well as less than the rated, why?
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Answer Posted / prakash
In induction motor torque is directly proportional to square of current. Therefore if voltage is less than to maintain torque slip is increases , impedance decreases and current increases also when voltage increases than all magnetizing component of current increases so current increases.
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