A 3-phase synchronous generator with constant power input is supplying electrical power to an infinite bus at a lagging power factor. If its excitation is reduced
A. both power factor and power angle will increase.
B. both power factor and power angle will decrease.
C. power factor will improve but power angle will decrease.
D. power angle will increase but power factor will decrease.
Answer:A
A 3-phase synchronous generator with constant power input is supplying electrical power to an infinite bus at a lagging power factor. If its excitation is reduced
A. both power factor and power angle will increase. B. both power factor and power angle will decrease. C. power factor will improve but power angle will decrease. D. power angle will increase but power factor will decrease.