Electrical Machine Design

In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made_____.

  • A. equal to that of armature mmf
  • B. less in comparison with the armature mmf
  • C. large in comparison with the armature mmf
  • D. none of the above
Answer: Option C.
Explanation:

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