Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ minimum None of the listed here Zero Maximum minimum None of the listed here Zero Maximum 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 field winding induction motor torque in damper winding All of the listed here eddy current and hysteresis torque in pole faces induction motor torque in field winding induction motor torque in damper winding All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Coincident with statorbpoles None of the listed here Mid way between N and S poles of stator 45° (electrical) behind stator poles Coincident with statorbpoles None of the listed here Mid way between N and S poles of stator 45° (electrical) behind stator poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Identical to that of a dc motor Nonsalient pole type None of the listed here Salient pole type Identical to that of a dc motor Nonsalient pole type None of the listed here Salient pole type ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the load using brakes changing the supply voltage changing frequency changing the load using brakes changing the supply voltage changing frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has All of the listed here A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation All of the listed here A higher value of stability limit A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP