Synchronous Motors

If excitation of a synchronous motor running with a constant load is decreased from its normal value, ignoring effects of armature reaction, it leads to

  • A. increase in both armature current and power factor angle
  • B. increase in back e.m.f. but decrease in armature current
  • C. increase in both armature current and power factor which is lagging
  • D. increase in torque angle but decrease in back e.m.f.
Answer: Option A.
Explanation: 

No answer description available for this question.

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button
error: Alert: Content is protected !!