Synchronous Motors A synchronous motor will always stop when Excitation winding gets disconnected Supply voltage fluctuates Load in motor varies Supply voltage frequency changes Excitation winding gets disconnected Supply voltage fluctuates Load in motor varies Supply voltage frequency changes ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on stator Damper winding on stator as well as rotor poles Damper winding on rotor poles None of the listed here Damper winding on stator Damper winding on stator as well as rotor poles Damper winding on rotor poles None of the listed here 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 Damper winding in its pole faces Induced emf in rotor field winding by stator flux Compulsion due to lenz's law Magnetic locking between stator and rotor poles Damper winding in its pole faces Induced emf in rotor field winding by stator flux Compulsion due to lenz's law ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic difference of Eb and V arithmetic sum of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic difference of Eb and V arithmetic sum of Eb and V vector difference of Eh and V vector sum of Eb and V ANSWER DOWNLOAD EXAMIANS APP