Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ 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 Magnetic locking between stator and rotor poles Compulsion due to lenz's law Damper winding in its pole faces ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, high output None of the listed here Low speed, high output High speed, low output High speed, high output None of the listed here Low speed, high output High speed, low output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here A small value of inherent regulation A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations All of the listed here A small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.8 lagging 0.5 leading 0.8 leading Unity 0.8 lagging 0.5 leading 0.8 leading Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor decreases with the increase in All of the listed here Speed Horse power rating Flux density All of the listed here Speed Horse power rating Flux density 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 synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field ANSWER DOWNLOAD EXAMIANS APP
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