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The additional losses owing to the higher order mmf harmonics occur mainly in windings of squirrel cage rotor.

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The additional losses owing to the higher order mmf harmonics occur mainly in windings of squirrel cage rotor.

(a) true

(b) false

The question was posed to me in my homework.

Query is from Losses and Efficiency topic in chapter Three Phase Induction Motor of Design of Electrical Machines

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The correct answer is (a) true

The best I can explain: The additional losses are depending on the higher order mmf harmonics and skin effect. The losses occur mainly in the squirrel cage rotor.

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