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

Related Mcqs:

Slip-rings in a synchronous motor carry____________?

A. direct current B. alternating current C. no current D. all 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...

A synchronous motor running with normal excitation adjusts to load increases essentially by increase in______________?

A. back e.m.f. B. armature current C. power factor D. torque angle...

In a synchronous motor running with fixed excitation, when the load is increased three times, its torque angle becomes approximately

A. one-third B. twice C. thrice D. six times E. nine times...

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...