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

Question

Quizplus · Accepted Answer

Synchronous motors can operate at a constant speed determined by the supply frequency, but their power factor can be adjusted by varying the field excitation. This makes them useful in power factor correction applications.

An Important Advantage of a Synchronous Motor Over Wound Round