Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over loaded Under loaded Over excited Under excited Over loaded Under loaded Over excited Under excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Mechanical synchronizer Voltage booster Phase advancer Noise generator Mechanical synchronizer Voltage booster Phase advancer Noise generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by induction motor torque in damper winding eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in field winding induction motor torque in damper winding eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in field winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has good speed regulation lower stability limit high stability limit good voltage regulation good speed regulation lower stability limit high stability limit good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Over-excited Under-excited Normally excited All of these Over-excited Under-excited Normally excited All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then the motor stops it runs at a slower speed it continues to run at the same speed it runs at a very high speed the motor stops it runs at a slower speed it continues to run at the same speed it runs at a very high speed ANSWER DOWNLOAD EXAMIANS APP