Study on the general system integration optimization method of the solar aided coal-fired power generation system
Study on the general system integration optimization method of the solar aided coal-fired power generation system
复制标题
太阳能辅助燃煤发电系统通用系统集成优化方法研究
DOI：
10.1016/j.energy.2018.12.054
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发表时间：
2019-02
期刊：
影响因子：
9
通讯作者：
Yang Laishun
中科院分区：
文献类型：
--
作者：
Wang Jianxing;Duan Liqiang;Yang Yongping;Yang Zhiping;Yang Laishun
太阳能辅助燃煤发电近年来受到越来越多的关注。然而，它的集成和优化是一个相当具有挑战性的工作。大多数研究都是基于对某个或某几个方案的研究，还没有提出一种考虑所有可能性的通用系统集成优化方法。本文建立了一个通用的系统集成优化模型，该模型由8个虚拟熔盐换热器组成，可以模拟不同集成位置和热量分布的任何方案。以Solar Two电厂和600 MWe超临界燃煤电厂为例，研究了一种基于Solar Two电厂和600 MWe超临界燃煤电厂的SAPG系统。结果表明，在较高的定日镜场功率（HFP）工况下，应优先将热能注入最高压力的给水加热器（FH）。而在HFP相对较低、涡轮机功率较高的工况下，热量应按一定比例分配给两个最高压力的FH，而不是全部分配给最高压力的FH。接收机和功率块的性能都得到了提高。SAPG系统的太阳能-电力转换效率明显高于Solar Two系统。
Solar aided coal-fired power generation (SAPG) has been attracted more and more attentions in recent years. However, its integration and optimization is a rather challenging work. Most of the studies are based on the researches of one or several certain schemes, and no general system integration optimization method (GIOM) considering all possibilities has been proposed. In this paper, a general system integration optimization model is developed, which is configured with 8 virtual molten salt heat exchangers (FHms) and used to simulate any scheme of different integration locations and heat distributions. A SAPG system based on Solar Two plant and a 600 MWe supercritical coal-fired plant is studied. The results show that at the relatively higher heliostat field power (HFP) work conditions, the heat energy should be injected into the highest pressure feedwater heater (FHs) as a priority. While at the relatively lower HFP and higher turbine power work conditions, the heat should be distributed to the two highest pressure FHsin a certain proportion instead of fully distributed to the highest pressure FHs. The performances of both the receiver and the power block are improved. The solar-electric conversion efficiency of SAPG system is obviously higher than that of Solar Two.
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影响因子：
6.4
作者：
W. Pierce;P. Gauché;T. V. Backström;A. Brent;Amir Tadros
通讯作者：
W. Pierce;P. Gauché;T. V. Backström;A. Brent;Amir Tadros
影响因子：
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作者：
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DOI：
10.2172/6906848
发表时间：
1984-04
期刊：
--
影响因子：
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作者：
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通讯作者：
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影响因子：
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作者：
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通讯作者：
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影响因子：
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作者：
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通讯作者：
F. Collado;J. Guallar