Which of the following conditions does not have to be met by alternators working in parallel ?
A. Alternators must operate at the same frequency.
B. Machines must have the same phase rotation.
C. The terminal voltage of each machine must be the same.
D. The machines must have equal kVA ratings.
Answer:D
Which of the following conditions does not have to be met by alternators working in parallel ?
A. Alternators must operate at the same frequency. B. Machines must have the same phase rotation. C. The terminal voltage of each machine must be the same. D. The machines must have equal kVA ratings.