A main generator is being paralleled to an infinite power grid.
Generator voltage has been properly adjusted and the synchroscope is rotating slowly in the counterclockwise direction.
If the generator breaker is closed just prior to the synchroscope pointer reaching the 12 o’clock position, which one of the following is most likely to occur?
A. The breaker will close and the generator will supply only MW to the grid.
B. The breaker will close and the generator will supply both MW and MVAR to the grid.
C. The breaker will close and then open due to overcurrent.
D. The breaker will close and then open due to reverse power.
Show Answer
Answer: D
Share your understanding of this question with the correct explanation.