Which of the following term is not associated with Synchronous Motor | Synchronous Motor MCQ#2

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Which of the following term is not associated with synchronous motor:

  1. Doubly fed
  2. Constant speed
  3. Single fed
  4. Variable PF motor

Correct answer: 3. Single fed

Explanation: A synchronous motor is a doubly-fed variable PF motor, that runs at constant synchronous speed. The term single fed means we are providing only a single supply and no external supply is provided for excitation purposes. However, this is not the case.

So 3. Single fed is the correct answer

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