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The compensating winding in dc generator is provided to __________

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The compensating winding in dc generator is provided to __________

(a) neutralize cross-magnetizing flux

(b) neutralize demagnetizing flux

(c) neutralize armature mmf

(d) maintain magnetizing mmf

This question was addressed to me in quiz.

My question is from Effect of Brush Shift and Compensation Windings in chapter DC Machines of Electrical Machines

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Correct answer is (a) neutralize cross-magnetizing flux

Easiest explanation: The compensating winding functions such that to nullify the cross magnetization effects in the armature.

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