A 3-phase synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased
A. both power angle and power factor decrease.
B. both power angle and power factor increase.
C. the power angle decreases while power factor increases.
D. the power angle increases while power factor decreases. [U.P.S.C. IES. 2005]
Answer:A
A 3-phase synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased
A. both power angle and power factor decrease. B. both power angle and power factor increase. C. the power angle decreases while power factor increases. D. the power angle increases while power factor decreases. [U.P.S.C. IES. 2005]