Synchronous Motors Hunting in a synchronous motor cannot be due to variable supply voltage variable frequency variable load windage friction variable supply voltage variable frequency variable load windage friction ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kVAR rating kW rating None of the listed here kVA rating kVAR rating kW rating None of the listed here kVA rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Phase advancer Noise generator Voltage booster Mechanical synchronizer Phase advancer Noise generator Voltage booster Mechanical synchronizer ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By changing the supply frequency By interchanging any two phases By changing the applied voltage By changing the load By changing the supply frequency By interchanging any two phases By changing the applied voltage By changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic sum of Eb and V arithmetic difference of Eb and V vector sum of Eb and V vector difference of Eh and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector sum of Eb and V vector difference of Eh and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Remains unchanged Become zero Is increased too much Is decreased too much Remains unchanged Become zero Is increased too much Is decreased too much ANSWER DOWNLOAD EXAMIANS APP
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