When V is the applied voltage, then the breakdown torque of a synchronous motor varies as_________?

Related Mcqs:

The speed of a synchronous motor:

A. increases as the load increases B. decreases as the load decreases C. always remains constant D. none of the above...

The armature current of the synchronous motor

A. has large values for low excitation i niy B. has large values for high excitation only C. has large values for low and high excitation D. any of the above...

In a synchronous motor, the magnitude of stator back e.m.f. & depends on_______________?

A. d.c. excitation only B. speed of the motor C. load on the motor D. both the speed and rotor flux...

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...

The coupling angle or load angle of synchronous motor is defined as the angle between the__________?

A. rotor and stator teeth B. rotor and the stator poles of opposite polarity C. rotor and the stator poles of the same polarity D. none of the above...