If the field winding of an unloaded salient pole synchronous motor is open circuited, the motor will__________?

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...

A synchronous motor develops maximum power when load angle is____________?

A. 45° B. 60° C. 90° D. 120°...

The minimum armature current of the synchronous motor corresponds to operation at______________?

A. zero power factor leading B. unity power factor C. 0.707 power factor lagging D. 0.707 power factor leading...

A synchronous motor has better power factor as compared to that of an equivalent induction motor. This is mainly because?

A. synchronous motor has no slip B. stator supply is not required to produce magnetic field C. mechanical load on the rotor remains constant D. synchronous motor has large airgap...

For power factor correction, synchronous motors operate at____________?

A. no-load and greatly over-excited fields B. no-load and under-excited fields C. normal load with minimum excitation D. normal load with zero excitation...