Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be very high the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very small the stator current will be very high the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very small ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Increased core losses Shorting of coils Rise in winding temperature Eddy current flow Increased core losses Shorting of coils Rise in winding temperature Eddy current flow ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Remains constant at all loads Varies with power factor Varies with speed Varies with the load Remains constant at all loads Varies with power factor Varies with speed Varies with the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing None of the listed here Damper winding on stator Damper winding on rotor poles Damper winding on stator as well as rotor poles None of the listed here Damper winding on stator Damper winding on rotor poles Damper winding on stator as well as rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ None of the listed here kVAR rating kVA rating kW rating None of the listed here kVAR rating kVA rating kW rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation lower stability limit good voltage regulation high stability limit good speed regulation lower stability limit good voltage regulation high stability limit ANSWER DOWNLOAD EXAMIANS APP
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