Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be unity lagging zero leading unity lagging zero leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit all of the listed here a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kW rating None of the listed here kVAR rating kVA rating kW rating None of the listed here kVAR rating kVA rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Reduce dc field excitation to zero Change supply frequency None of the listed here Interchange any two stator lines Reduce dc field excitation to zero Change supply frequency None of the listed here Interchange any two stator lines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 60° 45° 90° 120° 60° 45° 90° 120° ANSWER DOWNLOAD EXAMIANS APP