Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be lagging leading zero unity lagging leading zero unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. Unity 0.8 leading 0.5 leading 0.8 lagging Unity 0.8 leading 0.5 leading 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Windage loss Bearing friction loss Copper loss Core loss Windage loss Bearing friction loss Copper loss Core loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under loaded Over loaded Under excited Over excited Under loaded Over loaded Under excited Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Alcino Mild steel Chrome steel Stainless steel Alcino Mild steel Chrome steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While running, a synchronous motor is compelled to run at synchronous speed because of _______ Magnetic locking between stator and rotor poles Damper winding in its pole faces Compulsion due to lenz's law Induced emf in rotor field winding by stator flux Magnetic locking between stator and rotor poles Damper winding in its pole faces Compulsion due to lenz's law Induced emf in rotor field winding by stator flux ANSWER DOWNLOAD EXAMIANS APP