When the excitation of an unloaded salient pole synchronous motor suddenly gets disconnected______________?

Synchronous Motors 26/07/2021

A. the motor stops
B. it runs as a reluctance motor at the same speed
C. it runs as a reluctance motor at a lower speed
D. none of the above

Related Mcqs:

    An over-excited synchronous motor takes__________?
    A. leading current B. lagging current C. both A. and (b) D. none of the above...
    If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from constant voltage supply, its field excitation is increased, then its power factor__________?
    A. become more B. become less C. remain constant D. none of the above...
    A synchronous motor running with normal excitation adjusts to load increases essentially by increase in______________?
    A. back e.m.f. B. armature current C. power factor D. torque angle...
    The power developed by a synchronous motor will be maximum when the load angle is____________?
    A. zero B. 45° C. 90° D. 120°...
    Which of the following methods is used to start a synchronous motor?
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