A practical problem in three phase Induction Motor

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  • 2013/04/09 at 6:13 am #10987
    Anonymous
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    I want to discuss a practical case of three phase induction motor.

    Due to faliure in H.V three coils have been by passed out of 120.And a high no load power is taken from motor,specifiacly 68% more than it should.No load power is increased by 3Amps which is okay.There are 4 parallel paths in the machine.

    I want to know the exact reason why this much no load power is taken.

    Also do the bypassing of coils increase the magnetic noise?

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