Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over loaded Under excited Over excited Under loaded Over loaded Under excited Over excited Under loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles a series motor an induction motor a rotary converter an alternator a series motor an induction motor a rotary converter an alternator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be zero unity lagging leading zero unity lagging leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the back e.m.f. will be more than the supply voltage the stator current will be very high the stator current will be very small the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very high the stator current will be very small the stator current will be zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Has a damper winding Is a doubly fed machine None of the listed here Has no losses Has a damper winding Is a doubly fed machine None of the listed here Has no losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is under-loaded supplied with unbalanced voltage over-loaded None of these under-loaded supplied with unbalanced voltage over-loaded None of these ANSWER DOWNLOAD EXAMIANS APP