A synchronous motor will always stop when
A)supply voltage fluctuates
B)load in motor varies
C)excitation winding gets disconnected
D)supply voltage frequency changes

Question

Quizplus · Accepted Answer

A synchronous motor will stop if its excitation winding gets disconnected because the magnetic field is essential for its operation. Without excitation, the motor cannot maintain synchronism with the supply frequency.

A Synchronous Motor Will Always Stop When