Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Under-excited Normally excited Over-excited All of these Under-excited Normally excited Over-excited All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle load speed All of these load angle load speed All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ minimum Zero Maximum None of the listed here minimum Zero Maximum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Fluctuating loads Low torque loads Power factor corrections Variable speed loads Fluctuating loads Low torque loads Power factor corrections Variable speed loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 1 0.01 zero 0.005 1 0.01 zero 0.005 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by supply lines c. source motor input armature input supply lines c. source motor input armature input ANSWER DOWNLOAD EXAMIANS APP