Synchronous Motors An over excited synchronous motor is used for Power factor corrections Fluctuating loads Variable speed loads Low torque loads Power factor corrections Fluctuating loads Variable speed loads Low torque loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Salient pole type machines Induction type machines Smooth cylindrical type machines Alternator type machines Salient pole type machines Induction type machines Smooth cylindrical type machines Alternator type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are 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 unity or 0.8 lagging zero or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be None of these equal to the supply voltage less than the supply voltage more than the supply voltage None of these equal to the supply voltage less than the supply voltage more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the rotor copper loss are met by ______ Dc source Armature input Supply lines Motor input Dc source Armature input Supply lines Motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at The synchronous speed Less than synchronous speed More than synchronous speed None of the listed here The synchronous speed Less than synchronous speed More than synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP