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The flux distortion caused by cross magnetizing armature reaction is more pronounced in a __________

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The flux distortion caused by cross magnetizing armature reaction is more pronounced in a __________

(a) dc shunt motor

(b) dc series motor

(c) any of the mentioned

(d) differential Compound Motors

This question was addressed to me in class test.

Query is from MMF and Flux Density Waveforms in DC Machines topic in division DC Machines of Electrical Machines

1 Answer

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Best answer
Right choice is (a) dc shunt motor

Explanation: Since field excitation remains substantially constant, while aarmature mmf reaches higher values at loading.

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