Synchronous Motors Small synchronous motors are started by _______ Variable frequency source None of the listed here Damper winding Pony motor Variable frequency source None of the listed here Damper winding Pony motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Supply voltage frequency changes Supply voltage fluctuates Excitation winding gets disconnected Load in motor varies Supply voltage frequency changes Supply voltage fluctuates Excitation winding gets disconnected Load in motor varies ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Synchronising angle Angle of retardation Torque angle Power factor angle Synchronising angle Angle of retardation Torque angle Power factor angle 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 eddy current and hysteresis torque in pole faces induction motor torque in field winding All of the listed here induction motor torque in damper winding eddy current and hysteresis torque in pole faces induction motor torque in field winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Increase None of the listed here Remain unchanged Decrease Increase None of the listed here Remain unchanged Decrease ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at The synchronous speed None of the listed here More than synchronous speed Less than synchronous speed The synchronous speed None of the listed here More than synchronous speed Less than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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