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Answer Posted / elango.kalp
energy efficent motors means losses are minimised.
1.area of cross section of conductor have been increased to
reduce copper loss.
2.thickness of lamnination has been reduced and crgo
technique has been used.
3.c3 ballbearings have been used it has good clearance
between each rollers and lubrication is proper-friction
loss is reduced
4.rotor length is increased and air gap b/w stator and
rotor is reduced- windage loss is reduced
5.plastic fan has been used
the over all efficency of energy efficient motor is 93.6%
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