Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle speed All of these load load angle speed All of these load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By changing the supply frequency By changing the load By changing the applied voltage By interchanging any two phases By changing the supply frequency By changing the load By changing the applied voltage By interchanging any two phases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Rotor excitation Flux density None of the listed here Rotor speed Rotor excitation Flux density None of the listed here Rotor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by c. source motor input armature input supply lines c. source motor input armature input supply lines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 30° 75° 0° 45° 30° 75° 0° 45° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 leading Unity None of the listed here 0.8 lagging 0.8 leading Unity None of the listed here 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS