Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 30 None of the listed here 16 36 30 None of the listed here 16 36 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by Dc compound motor All of the listed here Provinding damper winding Pony motor Dc compound motor All of the listed here Provinding damper winding Pony motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. Unity None of the listed here 0.8 lagging 0.8 leading Unity None of the listed here 0.8 lagging 0.8 leading 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 All of the listed here induction motor torque in field winding eddy current and hysteresis torque in pole faces induction motor torque in damper winding All of the listed here induction motor torque in field winding eddy current and hysteresis torque in pole faces induction motor torque in damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be equal to the supply voltage None of these more than the supply voltage less than the supply voltage equal to the supply voltage None of these more than the supply voltage less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The capacity of a synchronous capacitor is generally in the range of kVAR None of the listed here MVAR VAR kVAR None of the listed here MVAR VAR ANSWER DOWNLOAD EXAMIANS APP