Synchronous Motors Mostly, synchronous motors are of Smooth cylindrical type machines Alternator type machines Salient pole type machines Induction type machines Smooth cylindrical type machines Alternator type machines Salient pole type machines Induction type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the motor is said to be fully loaded the excitation is said to be hundred per cent the torque generated is maximum the excitation is said to be zero per cent the motor is said to be fully loaded the excitation is said to be hundred per cent the torque generated is maximum the excitation is said to be zero per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load speed load angle All of these load speed load angle All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Improve pf of the motor Increases hunting of the motor Reduces windage losses Serves to start the motor Improve pf of the motor Increases hunting of the motor Reduces windage losses Serves to start the motor 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. More than None of the listed here Less than The same as More than None of the listed here Less than The same as ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ None of the listed here More than rated rotor current Less than rated horsepower output More than rated horseppwer output None of the listed here More than rated rotor current Less than rated horsepower output More than rated horseppwer output ANSWER DOWNLOAD EXAMIANS APP
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