A power station consists of two synchronous generators A and B of ratings 250 MVA and 500 MVA with inertia 1.6 pu and 1 pu respectively on their own base MVA ratings.

The equivalent per unit inertia constant for the system on 100 MVA common base is

A. 2.6

B. 0.615

C. 1.625

D. 9.0

## Show Answer

Answer: D

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