Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under excited Under loaded Over excited Over loaded Under excited Under loaded Over excited Over loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. None of the listed here Remain unchanged Increase Decrease None of the listed here Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ Less than rated horsepower output None of the listed here More than rated horseppwer output More than rated rotor current Less than rated horsepower output None of the listed here More than rated horseppwer output More than rated rotor current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Increases hunting of the motor Serves to start the motor Improve pf of the motor Reduces windage losses Increases hunting of the motor Serves to start the motor Improve pf of the motor Reduces windage losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be None of these equal to the supply voltage less than the supply voltage more than the supply voltage None of these equal to the supply voltage less than the supply voltage more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value short circuit ratio has Good speed regulation High stability limit Lower stability limit Good voltage regulation Good speed regulation High stability limit Lower stability limit Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
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