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Which of the following statements are correct regarding the current sheet?

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Which of the following statements are correct regarding the current sheet?

(a) it is a thin strip of conducting material carrying the current in the dot

(b) it is wrapped around stator or rotor

(c) it develops MMF identical to that produced by the winding it replaces

(d) any of the mentioned

I have been asked this question in final exam.

Asked question is from MMF Produced by Distributed Windings in section Synchronous Machines of Electrical Machines

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The correct option is (d) any of the mentioned

To explain: The MMF produced by uniformly distributed current sheet is identical with the MMF produced by uniformly distributed winding. If the distributed winding in the slots is on the rotor, then the uniformly distributed current sheet would be wrapped around the rotor accordingly.

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