Synchronous Motors Synchronous motors are generally used in application requiring _______ Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will not start take less than the rated load run at 2/3 of synchronous speed run with excessive vibrations not start take less than the rated load run at 2/3 of synchronous speed run with excessive vibrations ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ None of the listed here Field excitation Supply frequency Mechanical load None of the listed here Field excitation Supply frequency Mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor None of the listed here Increases as the load increases Always remains constant Decreases as the load decreases None of the listed here Increases as the load increases Always remains constant Decreases as the load decreases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has lower stability limit good voltage regulation high stability limit good speed regulation lower stability limit good voltage regulation high stability limit good speed regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Synchronous motor Dc shunt generator Dc compound generator Dc series generator Synchronous motor Dc shunt generator Dc compound generator Dc series generator ANSWER DOWNLOAD EXAMIANS APP