The negative phase sequence in a 3-phase synchronous motor exists when the motor is

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Electrial Engineering MCQ on Synchronous Motors

The negative phase sequence in a 3-phase synchronous motor exists when the motor is

  1. Over-loaded
  2. Supplied with unbalanced voltage
  3. Under-loaded
  4. None of these

Correct answer: 2. Supplied with unbalanced voltage

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