Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over loaded Under loaded Over excited Under excited Over loaded Under loaded Over excited Under excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Field excitation Applied stator voltage Torque angle Speed Field excitation Applied stator voltage Torque angle Speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Speed of the rotor Both the speed and rotor flux Dc excitation only Load on the motor Speed of the rotor Both the speed and rotor flux Dc excitation only Load on the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Increase Decrease Remain unchanged None of the listed here Increase Decrease Remain unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing frequency using brakes changing the supply voltage changing the load changing frequency using brakes changing the supply voltage changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ None of the listed here Approches synchronous speed Is at standstill Approches half synchronous speed None of the listed here Approches synchronous speed Is at standstill Approches half synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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