An alternator running in parallel with other alternators all having automatic voltage regulators is to be taken off the bus. The usual procedure before opening the switch is to
A. reduce the power fed to the prime-mover
B. reduce alternator excitation
C. increase alternator excitation
D. none of the above
Answer:A
An alternator running in parallel with other alternators all having automatic voltage regulators is to be taken off the bus. The usual procedure before opening the switch is to
A. reduce the power fed to the prime-mover B. reduce alternator excitation C. increase alternator excitation D. none of the above