Synchronous Motors In a synchronous motor, the rotor copper loss are met by ______ Supply lines Dc source Armature input Motor input Supply lines Dc source Armature input Motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc compound generator Dc shunt generator Synchronous motor Dc series generator Dc compound generator Dc shunt generator Synchronous motor Dc series generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Shorting of coils Eddy current flow Rise in winding temperature Increased core losses Shorting of coils Eddy current flow Rise in winding temperature Increased core losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Is increased too much Becomes zero Is decreased too much Remains unchanged Is increased too much Becomes zero Is decreased too much Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Approches synchronous speed Approches half synchronous speed Is at standstill None of the listed here Approches synchronous speed Approches half synchronous speed Is at standstill None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 1.25 to 3.5 6 to 9 0.5 5 to 10 1.25 to 3.5 6 to 9 0.5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
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