Efficiency improvement of a steam power plant through solar repowering

被引：62
|
作者：
Ahmadi, Gholamreza [1 ]
Toghraie, Davood [2 ]
Akbari, Omid Ali [3 ]
机构：
[1] Islamic Azad Univ, Khomeinishahr Branch, Young Res & Elite Club, Khomeinishahr, Iran
[2] Islamic Azad Univ, Khomeinishahr Branch, Dept Mech Engn, Esfahan, Iran
[3] Islamic Azad Univ, Khomeinishahr Branch, Young Res & Elite Club, Khomeinishahr, Iran
来源：
INTERNATIONAL JOURNAL OF EXERGY | 2017年 / 22卷 / 02期
关键词：
Mohammad Montazeri power plant; repowering; solar feed water heating; CO2; emissions; exergy efficiency; CHP system; EXERGY ANALYSIS; CARBON CAPTURE; COMBINED-CYCLE; ENERGY; INTEGRATION; IRAN; PERFORMANCE; GENERATION; SYSTEM;
D O I：
10.1504/IJEX.2017.083015
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Currently, fossil fuel power plants generate about 93.2% of Iran's electricity network. Negative growth of average efficiency of thermal power plants in the past years necessitates investment and research in order to increase their efficiency. In this paper, the use of solar thermal energy for parallel feed water heating repowering of Isfahan Mohammad Montazeri power plant units is evaluated. To this end, seven separate plans are proposed. At the time of replacing all high-pressure feed water heaters with solar collectors, net energy and exergy efficiencies increased by 9.5% compared to the simple cycle reaching 35.21% and 36.85%, respectively.
引用
收藏
页码：158 / 182
页数：25
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