A three-phase synchronous motor will have_____________?

Related Mcqs:

In case one phase of a three-phase synchronous motor is short-circuited the motor will____________?

A. not start B. run at 2/3 of synchronous speed C. run with excessive vibrations D. take less than the rated load...

The angle between the rotating stator flux and rotor poles is called _________ angle.

A. synchronizing B. obtuse C. torque D. power factor...

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

A. load on the motor B. d.c. excitation only C. both the speed and rotor flux D. none of the above...

If load (or torque) angle of a 4-pole synchronous motor is 6° electrical, its value in mechanical degrees is__________?

A. 2 B. 3 C. 4 D. 6...

The net armature voltage of a synchronous motor is equal to the_______________?

A. vector sum of Eb and V B. arithmetic sum of Eb and V C. arithmetic difference of Eb and V D. vector difference of Eh and V...