A 4,000 KW rated diesel generator (DG) is supplying 2,000 KW to a 4.16 KV emergency bus ___

A 4,000 KW rated diesel generator (DG) is supplying 2,000 KW to a 4.16 KV emergency bus.

The DG governor is in the isochronous mode (no speed droop).

The emergency bus is about to be synchronized with, and then connected to, an infinite offsite power grid by closing the emergency bus normal power feeder breaker.

The following stable emergency bus and normal power conditions currently exist:

Emergency Bus-PG-12

When the emergency bus normal power feeder breaker is closed, the DG will… (Assume no additional operator action is taken.)

A. transfer KW load to the offsite power grid, but remain partially loaded.
B. transfer KW load to the offsite power grid until the DG is completely unloaded.
C. acquire KW load from the offsite power grid, but remain within its KW load rating.
D. acquire KW load from the offsite power grid and ultimately exceed its KW load rating.

Show Answer

Answer: D

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