An important advantage of a synchronous motor over wound round induction motor is that

Synchronous Motors 19/09/2020

A. its power factor may be varied at will
B. its speed is independent of supply frequency
C. its speed may be controlled more easily
D. none of the above

Related Mcqs:

    Slip-rings in a synchronous motor carry____________?
    A. direct current B. alternating current C. no current D. all of the above...
    A synchronous motor develops maximum power when load angle is____________?
    A. 45° B. 60° C. 90° D. 120°...
    The shaft of synchronous motor is made of____________?
    A. mild steel B. chrome steel C. alnico D. stainless steel...
    Which of the following methods is used to start a synchronous motor?
    A. Damper winding B. Star-delta starter C. Damper winding in conjunction with star-delta starter D. Resistance starter in the armature circuit...
    For power factor correction, synchronous motors operate at____________?
    A. no-load and greatly over-excited fields B. no-load and under-excited fields C. normal load with minimum excitation D. normal load with zero excitation...

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