During a surveillance test, a 4,000 KW diesel generator (DG) and a 1,000 MW main generator (MG) at a nuclear power plant are connected to a power grid ___

During a surveillance test, a 4,000 KW diesel generator (DG) and a 1,000 MW main generator (MG) at a nuclear power plant are connected to a power grid.

The following stable generator output conditions initially exist:

Generator-PG-63

A malfunction then occurs, causing the voltage regulator for the MG to slowly and continuously decrease the MG field current.

If no operator action is taken, the DG output current will __________ until a breaker trip separates the generators.

A. increase continuously
B. decrease continuously
C. initially increase, and then decrease
D. initially decrease, and then increase

Show Answer

Answer: A

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