Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under loaded Under excited Over excited Over loaded Under loaded Under excited Over excited Over loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Sudden application of heavy loads Infrequent starting Frequent stopping Variable speed Sudden application of heavy loads Infrequent starting Frequent stopping Variable speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load speed load angle All of these load speed load angle All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Power factor of power drawn by the motor Applied voltage of the motor Any of the above Motor speed Power factor of power drawn by the motor Applied voltage of the motor Any of the above Motor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. Unity 0.5 leading 0.8 lagging 0.8 leading Unity 0.5 leading 0.8 lagging 0.8 leading ANSWER DOWNLOAD EXAMIANS APP