Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 30° 45° 0° 75° 30° 45° 0° 75° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For the same active power consumed, the stator current of a synchronous motor is ______ that of a 3 phase induction motor. Less than None of the listed here The same as More than Less than None of the listed here The same as More than ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Dc excitation only Speed of the rotor Load on the motor Both the speed and rotor flux Dc excitation only Speed of the rotor Load on the motor Both the speed and rotor flux ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have No slip rings Three slip rings Two slip rings One slip rings No slip rings Three slip rings Two slip rings One slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Mid way between N and S poles of stator Coincident with statorbpoles None of the listed here 45° (electrical) behind stator poles Mid way between N and S poles of stator Coincident with statorbpoles None of the listed here 45° (electrical) behind stator poles ANSWER DOWNLOAD EXAMIANS APP
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