Synchronous Motors A synchronous motor can operate at Leading power factor Lagging power factor only Lagging, leading and unity power factors Unity power factor only Leading power factor Lagging power factor only Lagging, leading and unity power factors Unity power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation A higher value of stability limit All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Motor speed Applied voltage of the motor Any of the above Power factor of power drawn by the motor Motor speed Applied voltage of the motor Any of the above Power factor of power drawn by the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be leading unity lagging zero leading unity lagging zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by supply lines armature input c. source motor input supply lines armature input c. source motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc series generator Dc shunt generator Synchronous motor Dc compound generator Dc series generator Dc shunt generator Synchronous motor Dc compound generator ANSWER DOWNLOAD EXAMIANS APP
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