Synchronous Motors A synchronous machine with low value short circuit ratio has High stability limit Lower stability limit Good voltage regulation Good speed regulation High stability limit Lower stability limit Good voltage regulation Good speed regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Coincident with statorbpoles None of the listed here 45° (electrical) behind stator poles Mid way between N and S poles of stator Coincident with statorbpoles None of the listed here 45° (electrical) behind stator poles Mid way between N and S poles of stator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor Always remains constant Increases as the load increases None of the listed here Decreases as the load decreases Always remains constant Increases as the load increases None of the listed here Decreases as the load decreases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque below or above synchronous speed while over-excited when under loaded only at synchronous speed below or above synchronous speed while over-excited when under loaded only at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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