Answer / viraj

1.higher load
2.could be some jamming problem in shaft
3.it could be single phasing
4.motor winding i2r loss
5.it may be insulation damage

Answer / jagmohan singh

1. Loose connection.
2.cooling fan not available.
3. Bearing life over.
4.one phase missing.

Answer / k.prakashchandra

Cooling vs heat generated

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