Synchronous Motors A synchronous motor runs at speed ranging from ______ 1800 to 3600 rpm 3600 to 6000 rpm 150 to 1800 rpm None of the listed here 1800 to 3600 rpm 3600 to 6000 rpm 150 to 1800 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the 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 arithmetic sum of Eb and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has lower stability limit good voltage regulation high stability limit good speed regulation lower stability limit good voltage regulation high stability limit good speed regulation 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 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 All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it runs at a very high speed it runs at a slower speed the motor stops it continues to run at the same speed it runs at a very high speed it runs at a slower speed the motor stops it continues to run at the same speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Eddy current flow Rise in winding temperature Shorting of coils Increased core losses Eddy current flow Rise in winding temperature Shorting of coils Increased core losses ANSWER DOWNLOAD EXAMIANS APP
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