The Economic Effect Determination for Combined Cycle Power Plant with Pressurized Heat Recovery Steam Generator

2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE) Pub Date : 2021-03-11 DOI:10.1109/REEPE51337.2021.9387984

D. A. Khokhlov, Daria A. Khokhlova, K. V. Sterkhov, M. N. Zaichenko, Valeriya S. Likholetova

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Abstract

The article describes the economic efficiency study results for several modernization cases of existing power equipment. The modernization cases assume the Pressurized Heat Recovery Steam Generator (PHRSG) usage with the twostage gas turbine. The T-100 cogeneration steam turbine and the K-300 condensing steam turbine were selected as the modernization object. The modernization cases are carried out with the high-power SGT5-2000E gas turbine and low-power GT-25PA gas turbine. New combined cycle gas turbine (CCGT) power plant construction case is considered for comparison as an example of typical Russian modernization case. The main economic efficiency indicators were considered - net present value (NPV); internal rate of return (IRR); pay-back period – simple (PP) and discounted (DPP); profitability index (PI). The article shows that all cases are investment attractive, but each case has its own specifics.

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加压式余热蒸汽发生器联合循环电厂经济效益的确定

本文介绍了几个现有电力设备现代化改造案例的经济效益研究结果。现代化案例假设加压热回收蒸汽发生器(PHRSG)与两级燃气轮机一起使用。选择T-100热电联产汽轮机和K-300冷凝式汽轮机作为现代化改造对象。现代化案例使用大功率SGT5-2000E燃气轮机和小功率GT-25PA燃气轮机进行。将新型联合循环燃气轮机(CCGT)电厂建设案例作为典型的俄罗斯现代化案例进行比较。主要经济效率指标包括净现值(NPV);内部收益率;回收期-简单(PP)和贴现(DPP);盈利指数(PI)。文章表明，所有案例都具有投资吸引力，但每个案例都有自己的特点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)

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