The induced e.m.f. in a synchronous motor working on leading power factor will be_____________?

Related Mcqs:

The mechanical displacement of the rotor with respect to the stator, in polyphase multipolar synchronous motors running at full load, is of the order of_____________?

A. zero degree B. two degrees C. five degrees D. ten degrees...

If one-phase of a 3-phase synchronous motor is short-circuited, motor will ______________?

A. will refuse to start B. will overheat in spots C. will not come upto speed D. will fail to pull into step...

The back e.m.f. of a synchronous motor depends on______________?

A. speed B. load C. load angle D. all of the above...

If excitation of a synchronous motor running with a constant load is decreased from its normal value, ignoring effects of armature reaction, it leads to____________?

A. increase in both armature current and power factor angle B. increase in back e.m.f. but decrease in armature current C. increase in both armature current and power factor which is lagging D. increase in torque angle but decrease in back e.m.f....

A synchronous motor which works on a leading power factor and does not drive a mechanical load is called as_________?

A. static condenser B. condenser C. synchronous condenser D. none of the above...