Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it runs at a slower speed the motor stops it runs at a very high speed it continues to run at the same speed it runs at a slower speed the motor stops it runs at a very high speed it continues to run at the same speed 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 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 All of the listed here induction motor torque in field winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic sum of Eb and V vector sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V arithmetic sum of Eb and V vector sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on speed load All of these load angle speed load All of these load angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque while over-excited only at synchronous speed when under loaded below or above synchronous speed while over-excited only at synchronous speed when under loaded below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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