Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Angle of retardation Synchronising angle Power factor angle Torque angle Angle of retardation Synchronising angle Power factor angle Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging power factor only Lagging, leading and unity power factors Leading power factor Unity power factor only Lagging power factor only Lagging, leading and unity power factors Leading power factor Unity power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will run with excessive vibrations run at 2/3 of synchronous speed take less than the rated load not start run with excessive vibrations run at 2/3 of synchronous speed take less than the rated load not start ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about None of these one second one minute one hour None of these one second one minute one hour ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The capacity of a synchronous capacitor is generally in the range of MVAR None of the listed here kVAR VAR MVAR None of the listed here kVAR VAR ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for None of the listed here Both higher and low excitation Low excitation only Higher excitation only None of the listed here Both higher and low excitation Low excitation only Higher excitation only ANSWER DOWNLOAD EXAMIANS APP
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