Comparative Analysis on the Economy of Hydrogen Production Technology for Offshore Wind Power Consumption
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摘要: 海上风资源丰富、区域广,成为风电开发利用的重要领域。但海上风电的强随机性和间歇性给海上风电的安全可靠消纳带来诸多难题。风电制氢是提高风电利用率和缓解弃风的有效手段,已成为海上风电发展和研究的热点方向。综合考虑制氢技术方案、设备投资成本、运行维护成本,给出国内海上风电制氢技术的经济性评价方法;分别建立海上风电岸上制氢、海上平台制氢及管道输氢和海上平台制氢及船舶运氢3种海上风力发电制氢技术方案及经济性模型。基于相关调研和文献数据,以某300 MW海上风电场为例,对不同离岸距离的3种海上风力发电制氢技术方案进行经济性比较。结果表明,3种海上风电制氢方案中,海上平台制氢及船舶运氢方案最具经济性,且随着离岸距离加大,该方案等年值费用基本不变;海上风电岸上制氢方案和海上平台制氢及管道输氢方案随离岸距离加大,等年值费用均不同幅度增加。Abstract: Offshore wind power has become an important field for the development and utilization of wind power due to abundant resources and wide area. However, the strong randomness and intermittent nature of offshore wind power bring many problems to the safe and reliable consumption of offshore wind power. Hydrogen production from wind power is an effective means to improve wind power utilization and alleviate wind curtailment, and it has become a focusing application in the development and research of offshore wind power. This paper comprehensively considers the scheme, equipment investment cost, operation and maintenance cost of hydrogen production technology, and gives the economic evaluation method of the domestic hydrogen production technology from offshore wind power; This paper establishes three technical schemes and economic models for hydrogen production on shore, hydrogen production on offshore platform with hydrogen transported through pipeline and hydrogen production from offshore platform with hydrogen transported by ships. According to relevant research and literature data, taking a 300 MW offshore wind farm as an example, three kinds of hydrogen production technical schemes at different offshore distances are compared in terms of economic efficiency. The results show that among the three technical schemes, hydrogen production from offshore platform with hydrogen transported by ships is the most economic; and the offshore distance increases, the uniform annual value of this scheme is basically unchanged. But with the offshore distance increases, the uniform annual value of the hydrogen production on shore and hydrogen production from offshore platform with hydrogen transported through pipeline schemes increase in different degrees.
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