In a synchronous motor, the damping winding is generally used to______________?

Related Mcqs:

A synchronous motor working at leading power factor can be used as____________?

A. voltage booster B. phase advancer C. noise generator D. mechanical synchronizer...

The duration of sudden snort-circuit test on a synchronous motor is usually about_____________?

A. one hour B. one minute C. one second D. none of the above...

In which of the following motors the stator and rotor magnetic field rotate at the same speed?

A. Universal motor B. Synchronous motor C. Induction motor D. Reluctance motor...

Power factor of a synchronous motor is unity when_____________?

A. the armature current is maximum B. the armature current is minimum C. the armature current is zero D. none of the above...

Which of the following losses is not dissipated by the stator core surface in a synchronous motor?

A. Eddy current losses in the conductors B. Iron losses in the stator C. Copper losses in the slot portion of the conductors D. Windage losses E. None of the above...