In a synchronous motor, the armature current has large values for____________?

Related Mcqs:

A three-phase synchronous motor will have_____________?

A. no slip-rings B. one slip-ring C. two slip-rings D. three slip-rings...

If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from constant voltage supply, its field excitation is increased, then its power factor__________?

A. become more B. become less C. remain constant D. none of the above...

The shaft of synchronous motor is made of____________?

A. mild steel B. chrome steel C. alnico D. stainless steel...

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...

If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor

A. will become more B. will become less C. will remain unchanged D. none of the above....