Q. While doing regular checks on the dc machine with the lap connected winding, it is reported to have ammeter fluctuations, this can be due to

  • (A) different air gaps under poles
  • (B) variable reluctances in the core
  • (C) irregular design deformations
  • (D) all of the mentioned
💬 Discuss
✅ Correct Answer: (D) all of the mentioned
Explanation: in a lap winding configuration, if the machine as air gap variations due to the design aspects, it will give circulating current in the windings.

Published by Mr. Dubey ⭐ 111.54K Points at 17-Sep-2023 11:28 am in Electrical Drives and Controls (EDC)

Explanation by: Mr. Dubey
in a lap winding configuration, if the machine as air gap variations due to the design aspects, it will give circulating current in the windings.

💬 Discussion

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