Synchronous Motors A synchronous machine with low value short circuit ratio has Good voltage regulation Lower stability limit Good speed regulation High stability limit Good voltage regulation Lower stability limit Good speed regulation High stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is increased too much Is decreased too much Remains unchanged Become zero Is increased too much Is decreased too much Remains unchanged Become zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the load changing the supply voltage changing frequency using brakes changing the load changing the supply voltage changing frequency using brakes ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one hour None of these one second one minute one hour None of these one second one minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ An inductor A capacitor None of the listed here A resistor An inductor A capacitor None of the listed here A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque when under loaded only at synchronous speed while over-excited below or above synchronous speed when under loaded only at synchronous speed while over-excited below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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