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Heat Transfer Research
Facteur d'impact: 0.404 Facteur d'impact sur 5 ans: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v30.i4-6.160
pages 346-356

On the Payback of the Costs for the Construction of Cogeneration Plants for District Heating

Victor N. Klimenko
Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine, Kiev, Ukraine
P. P. Sabashchuk
Institute of Engineering Thermophysics National Academy of Sciences of Ukraine Kiev, Ukraine
A. I. Mazur
Institute of Engineering Thermophysics National Academy of Sciences of Ukraine Kiev, Ukraine
V. A. Vanin
Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine, Kiev, Ukraine
Yu. G. Klimenko
Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine, Kiev, Ukraine

RÉSUMÉ

The economic efficiency of the construction of building cogeneration plants in a system of district heating by equipping existing hot-water boilers with gas-turbine plants is analyzed. The efficiency criteria are the profit and the payback time for capital investment in electric-power-generating equipment. A heat scheme with additional burning of fuel in a waste-heat boiler furnace in the atmosphere of exhaust gases of a gas-turbine plant is shown to be economically favorable in comparison with a pure waste cogeneration scheme. The dependences of the payback time on the market prices for fuel, electric power, and equipment are analyzed, and an operation mode of a cogeneration plant is proposed with allowance made for a three-tariff period for electric power.


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