Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One hour None of the listed here One second One minute One hour None of the listed here One second One minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Infinity Two Zero One Infinity Two Zero One ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Magnetic locking between stator and rotor poles Compulsion due to lenz's law Damper winding in its pole faces Induced emf in rotor field winding by stator flux Magnetic locking between stator and rotor poles Compulsion due to lenz's law Damper winding in its pole faces Induced emf in rotor field winding by stator flux ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by armature input motor input c. source supply lines armature input motor input c. source supply lines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 90° electrical 0° electrical 45° electrical 30° electrical 90° electrical 0° electrical 45° electrical 30° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ None of the listed here Pony motor Damper winding Variable frequency source None of the listed here Pony motor Damper winding Variable frequency source ANSWER DOWNLOAD EXAMIANS APP