Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Improve pf of the motor Reduces windage losses Increases hunting of the motor Serves to start the motor Improve pf of the motor Reduces windage losses Increases hunting of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For the same active power consumed, the stator current of a synchronous motor is ______ that of a 3 phase induction motor. None of the listed here More than Less than The same as None of the listed here More than Less than The same as ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Two Infinity Zero One Two Infinity Zero One ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Zero minimum Maximum None of the listed here Zero minimum Maximum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 leading 0.8 lagging Unity None of the listed here 0.8 leading 0.8 lagging Unity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Remain unchanged None of the listed here Increase Decrease Remain unchanged None of the listed here Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS