Research on Key Influencing Factors of Type\|selection and Capacity\|allocation for Stand\|alone Hybrid Generation System
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摘要: 混合发电系统的合理选型和容量配置是提高可再生能源利用率的关键。为此构建了一般独立运行的混合发电系统的结构,论述了影响其选型和容量配置的关键影响因素;以综合了系统投资费用和运行费用的总净现成本(NPC)最小为优化目标,利用Homer软件对系统进行了选型及容量配置的优化,针对关键影响因素进行灵敏度仿真;分别研究了自然资源、负荷水平以及燃料价格对一般形式混合发电系统的选型和容量配置的影响。为偏远地区独立运行混合发电系统的最优选型和项目规划等工程应用提供参考。Abstract: Reasonable type-selection and capacity allocation of hybrid power generation system is critical for improving the renewable energy utilization. In this paper, the structure of general stand-alone hybrid power system is constructed and the key factors that influence type-selection and capacity-allocation are discussed. The optimized objective is to minimize the total net present cost (NPC) of system, which includes capital cost and operation cost. In addition, Homer software is used to optimize the types and capacity allocation of the system, and the sensitivities of key influence factors are simulated. Furthermore, the influences of natural resources, load level and fuel prices on optimized type-selection and capacity-allocation of general hybrid power generation system are studied. The results can provide a reference for such engineering applications as the optimal type-selection and project planning of stand-alone hybrid power generation system in remote area.
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