Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about None of the listed here One minute One second One hour None of the listed here One minute One second One hour ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by supply lines motor input c. source armature input supply lines motor input c. source armature input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 2 6 0.5 5 2 6 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable supply frequency Variable frequency Variable load Windage friction Variable supply frequency Variable frequency Variable load Windage friction ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when None of the listed here The armature current is zero The armature current is maximum The armature current is minimum None of the listed here The armature current is zero The armature current is maximum The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Is at standstill Approches half synchronous speed None of the listed here Approches synchronous speed Is at standstill Approches half synchronous speed None of the listed here Approches synchronous speed ANSWER DOWNLOAD EXAMIANS APP