Synchronous Motors A synchronous machine with large air gap has all of the listed here a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit all of the listed here a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be zero unity leading lagging zero unity leading lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 36 None of the listed here 16 30 36 None of the listed here 16 30 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Identical to that of a dc motor Nonsalient pole type Salient pole type None of the listed here Identical to that of a dc motor Nonsalient pole type Salient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with the load Remains constant at all loads Varies with power factor Varies with speed Varies with the load Remains constant at all loads Varies with power factor Varies with speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Field excitation Mechanical load None of the listed here Supply frequency Field excitation Mechanical load None of the listed here Supply frequency ANSWER DOWNLOAD EXAMIANS APP