Synchronous Motors A synchronous motor develop maximum power when load angle is 90° 120° 45° 60° 90° 120° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one second None of these one hour one minute one second None of these one hour one minute 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 runs at synchronous speed synchronous motor has large air gap mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed synchronous motor has large air gap mechanical load on the motor can be adjusted ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ None of the listed here Maximum Zero minimum None of the listed here Maximum Zero minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.5 leading 0.8 lagging Unity 0.8 leading 0.5 leading 0.8 lagging Unity 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the vector difference of Eh and V arithmetic difference of Eb and V vector sum of Eb and V arithmetic sum of Eb and V vector difference of Eh and V arithmetic difference of Eb and V vector sum of Eb and V arithmetic sum of Eb and V ANSWER DOWNLOAD EXAMIANS APP