Synchronous Generator MCQ Part 9

The losses in an alternator are same as in:

  1. Rectifier
  2. Transformer
  3. DC Generator
  4. None of the above

Correct answer: 3. DC Generator

Like a DC generator, the alternator has a field winding and an armature winding. In both cases (dc generator and alternator) the field excitation is d.c. while emf induced in the armature is alternating in nature. Therefore the losses in both are the same.

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