Abstract

Results of calculation studying of a possibility of topping of a steam-turbine unit (STU) with a type T-110/120-12.8 turbine of the Urals Turbine Works (UTZ) by a gas-turbine unit (GTU) of 25-MW capacity the waste-gases heat of which is used to substitute for high-pressure bleedoffs of STU is considered. It is shown that this makes it possible to increase electric power up to 130 MW and reduce fuel consumption by 2.5–4.0% while operating in the condensing mode and by 1.5–2.0% in the cogenerating mode.

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