Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Speed of the rotor Dc excitation only Load on the motor Both the speed and rotor flux Speed of the rotor Dc excitation only Load on the motor Both the speed and rotor flux ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Power factor angle Synchronising angle Torque angle Angle of retardation Power factor angle Synchronising angle Torque angle Angle of retardation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 120° 60° 45° 90° 120° 60° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ minimum None of the listed here Maximum Zero minimum None of the listed here Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor None of the listed here Increases as the load increases Decreases as the load decreases Always remains constant None of the listed here Increases as the load increases Decreases as the load decreases Always remains constant ANSWER DOWNLOAD EXAMIANS APP
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