Synchronous Motors A synchronous machine with low value of short-circuit ratio has high stability limit lower stability limit good voltage regulation good speed regulation high stability limit lower stability limit good voltage regulation good speed regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ A capacitor An inductor None of the listed here A resistor A capacitor An inductor None of the listed here A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or zero unity or 0.8 lagging zero or 0.8 leading unity or 0.8 leading unity or zero unity or 0.8 lagging zero or 0.8 leading unity or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, Current to field winding Polarity of rotor poles Supply phase sequence None of the listed here Current to field winding Polarity of rotor poles Supply phase sequence None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by using brakes changing the supply voltage changing frequency changing the load using brakes changing the supply voltage changing frequency changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ None of the listed here 36 30 16 None of the listed here 36 30 16 ANSWER DOWNLOAD EXAMIANS APP
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