General performance evaluation method of integrated solar combined cycle (ISCC) system

被引:15
作者
Zhang, Zuxian [1 ]
Duan, Liqiang [1 ]
Wang, Zhen [1 ]
Ren, Yujie [2 ]
机构
[1] North China Elect Power Univ, Key Lab Power Stn Energy Transfer Convers & Syst, Natl Thermal Power Engn & Technol Res Ctr, Sch Energy Power & Mech Engn,Minist Educ, Beijing 102206, Peoples R China
[2] China Acad Bldg Res, Beijing 100013, Peoples R China
基金
国家自然科学基金重大项目;
关键词
Integrated solar combined cycle; Evaluation method; Fuel saving; Efficiency promotion; Energy grade; PARABOLIC TROUGH; TECHNOECONOMIC ASSESSMENT; POWER-PLANTS;
D O I
10.1016/j.energy.2021.122472
中图分类号
O414.1 [热力学];
学科分类号
摘要
As a novel solar energy utilization method, integrated solar combined cycle (ISCC) system has the advantages of low investment and high efficiency, and has been paid more and more attention. How to evaluate the effectiveness of solar energy integration in different ISCC systems has become a significant issue. In this paper, based on the second law of thermodynamics and the principle of energy cascade utilization, according to different kinds of integration methods, different kinds of basic ISCC system models are divided and established; Compared with the gas turbine combined cycle (GTCC) system and solar energy generating system (SEGS), the effects caused by the integration of solar energy are revealed: the superimposed effect of the fuel saving factor and the efficiency enhancement of efficiency promotion factor are given. The comprehensive evaluation factor with simultaneous consideration of both the fuel saving factor and the efficiency promotion factor is put forward. Meanwhile, the applications of this evaluation factor in actual cases of this evaluation factor are also studied. This paper provides a novel evaluation method for comprehensively evaluate two different ISCC systems which will propose valuable guidance for further evaluation research of ISCC system.(c) 2021 Elsevier Ltd. All rights reserved.
引用
收藏
页数:17
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