Performance analyses of a hybrid geothermal-fossil power generation system using low-enthalpy geothermal resources
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- 作者：Qiang Liua ; qliuenergy@gmail.com" class="auth_mail" title="E-mail the corresponding author ; qliu@cup.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Linlin Shanga ; Yuanyuan Duanb ; yyduan@tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Hybrid geothermal&ndash ; fossil power generation system ; Geothermal energy ; Feedwater preheating ; Thermodynamic performance ; Organic Rankine cycle ; Coal-fired power plant
- 刊名：Applied Energy
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：162
- 期：Complete
- 页码：149-162
- 全文大小：1277 K
文摘
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Geothermal energy is used to preheat the feedwater in a coal-fired power unit.
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The performance of a hybrid geothermal–fossil power generation system is analyzed.
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Models for both parallel and serial geothermal preheating schemes are presented.
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Effects of geothermal source temperatures, distances and heat losses are analyzed.
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Power increase of the hybrid system over an ORC and tipping distance are discussed.