Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be zero unity lagging leading zero unity lagging leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 120° 45° 90° 60° 120° 45° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 4 percent Zero 2 percent 10 percent 4 percent Zero 2 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when None of the listed here The armature current is zero The armature current is maximum The armature current is minimum None of the listed here The armature current is zero The armature current is maximum The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on None of the listed here Flux density Rotor excitation Rotor speed None of the listed here Flux density Rotor excitation Rotor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Torque angle Synchronising angle Angle of retardation Power factor angle Torque angle Synchronising angle Angle of retardation Power factor angle ANSWER DOWNLOAD EXAMIANS APP
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