Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor lagging unity power factor 0.707 power factor leading zero power factor leading 0.707 power factor lagging unity power factor 0.707 power factor leading zero power factor leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Variable speed loads Fluctuating loads Low torque loads Power factor corrections Variable speed loads Fluctuating loads Low torque loads Power factor corrections ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over excited Over loaded Under excited Under loaded Over excited Over loaded Under excited Under loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is equal more less twice equal more less twice ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at The synchronous speed More than synchronous speed Less than synchronous speed None of the listed here The synchronous speed More than synchronous speed Less than synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on All of these load load angle speed All of these load load angle speed ANSWER DOWNLOAD EXAMIANS APP
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