Alternator Inverted Running occurs due to which fault | Power System Protection MCQ

Alternator Inverted Running occurs due to which fault:

  1. Failure of prime-mover
  2. Overvoltage
  3. winding fault
  4. Failure of rotor

Correct answer: 1. Failure of prime-mover

Explanation: When connected prime-mover fails, the alternator starts drawing current from the source. In other terms, the alternator behaves like a synchronous motor.

In technical terms, Protection Engineers refer this term as Inverted running.

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