Synchronous Motors A synchronous machine with low value short circuit ratio has High stability limit Lower stability limit Good voltage regulation Good speed regulation High stability limit Lower stability limit Good voltage regulation Good speed regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is supplied with unbalanced voltage None of these over-loaded under-loaded supplied with unbalanced voltage None of these over-loaded under-loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. Unity 0.5 leading 0.8 lagging 0.8 leading Unity 0.5 leading 0.8 lagging 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Variable speed loads Low torque loads Power factor corrections Fluctuating loads Variable speed loads Low torque loads Power factor corrections Fluctuating loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by All of the listed here Pony motor Dc compound motor Provinding damper winding All of the listed here Pony motor Dc compound motor Provinding damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Damper winding in its pole faces Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux Compulsion due to lenz's law Damper winding in its pole faces Magnetic locking between stator and rotor poles Induced emf in rotor field winding by stator flux Compulsion due to lenz's law ANSWER DOWNLOAD EXAMIANS APP
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