Synchronous Motors Small synchronous motors are started by _______ Pony motor None of the listed here Variable frequency source Damper winding Pony motor None of the listed here Variable frequency source Damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation lower stability limit high stability limit good voltage regulation good speed regulation lower stability limit high stability limit good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at unity power factor 0.707 power factor leading zero power factor leading 0.707 power factor lagging unity power factor 0.707 power factor leading zero power factor leading 0.707 power factor lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated horseppwer output None of the listed here More than rated rotor current Less than rated horsepower output More than rated horseppwer output None of the listed here More than rated rotor current Less than rated horsepower output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be leading zero lagging unity leading zero lagging unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is None of the listed here An ordinary static capacitor bank An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load None of the listed here An ordinary static capacitor bank An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load ANSWER DOWNLOAD EXAMIANS APP