Synchronous Motors Power factor of a synchronous motor is unity when The armature current is zero The armature current is minimum None of the listed here The armature current is maximum The armature current is zero The armature current is minimum None of the listed here The armature current is maximum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Under excited Normally excited Over excited None of the listed here Under excited Normally excited Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque when under loaded below or above synchronous speed only at synchronous speed while over-excited when under loaded below or above synchronous speed only at synchronous speed while over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Infrequent starting Sudden application of heavy loads Frequent stopping Variable speed Infrequent starting Sudden application of heavy loads Frequent stopping Variable speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good speed regulation Lower stability limit Good voltage regulation High stability limit Good speed regulation Lower stability limit Good voltage regulation High stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Synchronising angle Torque angle Power factor angle Angle of retardation Synchronising angle Torque angle Power factor angle Angle of retardation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS