Techno-economic evaluation of a community-based hybrid renewable energy system considering site-specific nature
Techno-economic evaluation of a community-based hybrid renewable energy system considering site-specific nature
复制标题
考虑场地特定性质的基于社区的混合可再生能源系统的技术经济评估
DOI：
10.1016/j.enconman.2018.06.109
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发表时间：
2018-09
影响因子：
10.4
通讯作者：
Zhou Ruoyu
中科院分区：
文献类型：
--
作者：
Ma Weiwu;Xue Xinpei;Liu Gang;Zhou Ruoyu
为了减轻环境污染和降低能源消耗强度，可再生能源与热电联产系统的集成有望在世界范围内得到广泛应用。本文提出了一种混合分布式能源系统（DER）集成热电联产，光伏（PV）和风力发电，以处理电力和热负荷的住宅建筑。基于各种评价指标，分析了中国7个典型城市的系统经济、技术和环境性能。此外，一个不可再生的并网能源系统作为一个参考系统进行评估。结果表明，优化后的DER系统在满足负荷供应的同时，有效地降低了排放和系统寿命成本。DER系统在几乎所有的优化评价中都比参考系统有很大的优势，特别是在北京、武汉、上海和南京。敏感性分析表明，随着上网电价的提高、地方电价的降低和天然气价格的降低，DER系统的经济性将得到改善。其中，补贴系数和贷款比例对投资回报率的影响最为显著。
In order to mitigate the environmental pollution and ease the energy consumption intensity, the integration of renewable energy sources (RES) and combined heating and power (CHP) system is expected to be widely applied throughout the world. This paper proposes a hybrid distributed energy resources (DER) system integrating CHP, photovoltaic (PV) and wind power, to handle the electrical and thermal load for residential buildings. The system economic, technical and environmental performance is analyzed in seven typical Chinese cities based on various evaluation indicators. Moreover, a non-renewable grid-connected energy system is assessed as a reference system. It is found that the optimized DER system not only meets load supplying, but also effectively minimizes emissions and system lifetime costs. DER systems are of great advantages over reference systems in almost all optimal evaluations, especially in Beijing, Wuhan, Shanghai and Nanjing. Sensitivity analysis indicates that the economic performance of DER system will become better with increase feed-in tariff, decrease local grid tariff and natural gas price. The impacts of subsidy coefficient and loan ratio on return on investment are more significant than other factors.
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