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 Synchronous motors are generally used in application requiring _______ Variable speed Infrequent starting Frequent stopping Sudden application of heavy loads Variable speed Infrequent starting Frequent stopping Sudden application of heavy loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 90° electrical 0° electrical 30° electrical 45° electrical 90° electrical 0° electrical 30° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has high stability limit lower stability limit good speed regulation good voltage regulation high stability limit lower stability limit good speed regulation good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is One Infinity Two Zero One Infinity Two Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except supply voltage maximum value of coupling angle rotor excitation direction of rotation supply voltage maximum value of coupling angle rotor excitation direction of rotation ANSWER DOWNLOAD EXAMIANS APP
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