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A 60 Hz, 4 pole turbo generator rated 100 MVA, 13.8 KV has an inertia constant of 10 MJ/MVA. Find the stored energy in the rotor at synchronous speed. 

(A) 10 MJ (B) 100 J (C) 1000 J (D) 1000 MJ 

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KE is equal to H X S
D. 1000 MJ

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