Q:- 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: KE=(1/2)MW
WHERE M=HS/fπ And W=2πf
Thus
Energy=HS=10*100=1000MJ
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