Synchronous Motors The net armature voltage of a synchronous motor is equal to the vector difference of Eh and V arithmetic sum of Eb and V vector sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V arithmetic sum of Eb and V vector sum of Eb and V arithmetic difference of Eb and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be leading lagging unity zero leading lagging unity zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be zero leading unity lagging zero leading unity lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will take less than the rated load run at 2/3 of synchronous speed run with excessive vibrations not start take less than the rated load run at 2/3 of synchronous speed run with excessive vibrations not start ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Leading power factor Lagging, leading and unity power factors Lagging power factor only Unity power factor only Leading power factor Lagging, leading and unity power factors Lagging power factor only Unity power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ A capacitor None of the listed here A resistor An inductor A capacitor None of the listed here A resistor An inductor ANSWER DOWNLOAD EXAMIANS APP