E3S Web Conf.
Volume 114, 2019International Conference of Young Scientists “Energy Systems Research 2019”
|Number of page(s)||6|
|Published online||04 September 2019|
Technical-economic evaluation of medium-power gas turbine plant with air bottoming cycle
Melentiev Energy Systems Institute of Siberian Branch of the Russian Academy of Sciences
A developed mathematical model of a gas turbine power plant with an additional air bottoming cycle to utilize heat of exhaust gases was used to carry out a technical and economic analysis. The approach used in the study is aimed at solving two types of optimization problems: (1) to determine the maximum net efficiency of the power plant and (2) to adjust the equipment and operating parameters for achieving minimum costs of electricity production. The study shows that the air bottoming cycle provides an increase in the net efficiency up to 44 - 48% and adds about 20% to the installed power capacity. The minimum costs of electric energy production estimated for different prices of fuel (natural gas) are competitive enough, so the gas turbine power plant with air bottoming cycle seems to be a promising technology for medium-power generation.
Key words: Gas turbine / air bottoming cycle / waste heat recovery / gas-turbine plant / electric power / efficiency.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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