For a large, 60 Hz, interconnected electrical system

Chapter , Problem 12.13

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For a large, 60 Hz, interconnected electrical system assume that following the loss of two 1400 MW generators (for a total generation loss of 2800 MW) the change in frequency is 0:12 Hz. If all the on- line generators that are available to participate in frequency regulation have an R of 0.05 per unit (on their own MVA base), estimate the total MVA rating of these units.

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