Synchronous Motors Power factor of a synchronous motor is unity when None of the listed here The armature current is maximum The armature current is zero The armature current is minimum None of the listed here The armature current is maximum The armature current is zero The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit All of the listed here A small value of inherent regulation A higher synchronizing power which makes the machine less sensitive to load variations A higher value of stability limit All of the listed here A small value of inherent regulation A higher synchronizing power which makes the machine less sensitive to load variations ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Improve pf of the motor Increases hunting of the motor Reduces windage losses Serves to start the motor Improve pf of the motor Increases hunting of the motor Reduces windage losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 36 16 None of the listed here 30 36 16 None of the listed here 30 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Singly fed Variable pf None of the listed here Variable speed Singly fed Variable pf None of the listed here Variable speed ANSWER DOWNLOAD EXAMIANS APP