Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Reduces windage losses Increases hunting of the motor Improve pf of the motor Serves to start the motor Reduces windage losses Increases hunting of the motor Improve pf of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 50 cycles/second None of the listed here 25 cycles/ second 100 cycles/second 50 cycles/second None of the listed here 25 cycles/ second 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Singly fed Variable pf Variable speed None of the listed here Singly fed Variable pf Variable speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is None of the listed here Nonsalient pole type Salient pole type Identical to that of a dc motor None of the listed here Nonsalient pole type Salient pole type Identical to that of a dc motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by Pony motor All of the listed here Provinding damper winding Dc compound motor Pony motor All of the listed here Provinding damper winding Dc compound motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Torque angle Power factor angle Synchronising angle Angle of retardation Torque angle Power factor angle Synchronising angle Angle of retardation ANSWER DOWNLOAD EXAMIANS APP