If an alternator is operating at leading power factor, then it can he concluded that
A. the alternator is under- excited
B. the alternator is over-excited
C. the torque angle of the alternator has negative value
D. the residual magnetism of the poles is zero
Answer:B
If an alternator is operating at leading power factor, then it can he concluded that
A. the alternator is under- excited B. the alternator is over-excited C. the torque angle of the alternator has negative value D. the residual magnetism of the poles is zero