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