Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Compulsion due to lenz's law Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux Damper winding in its pole faces Compulsion due to lenz's law Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux Damper winding in its pole faces ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque below or above synchronous speed only at synchronous speed when under loaded while over-excited below or above synchronous speed only at synchronous speed when under loaded while over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A small value of inherent regulation All of the listed here A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation All of the listed here A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at More than synchronous speed The synchronous speed None of the listed here Less than synchronous speed More than synchronous speed The synchronous speed None of the listed here Less than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the load changing frequency changing the supply voltage using brakes changing the load changing frequency changing the supply voltage using brakes ANSWER DOWNLOAD EXAMIANS APP
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