Synchronous Motors Leading power factor synchronous motors cost ______ the unity pf motors. More than None of the listed here About the same as Less than More than None of the listed here About the same as Less than ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are zero or 0.8 leading unity or 0.8 leading unity or 0.8 lagging unity or zero zero or 0.8 leading unity or 0.8 leading unity or 0.8 lagging unity or zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Reduces windage losses Increases hunting of the motor Improve pf of the motor Serves to start the motor Reduces windage losses Increases hunting of the motor Improve pf of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at 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 More than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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 When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is twice equal less more twice equal less more ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS