光伏发电系统最优容配比的分析与验证方法

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Abstract With the adjustment of national policies on photovoltaic (PV) power generation, the current settlement method for photovoltaic power grid connection is shifting from a fixed electricity price with desulphurization to market-based bidding, which prompts investors to optimize both technical and non-technical aspects to better reduce costs and improve efficiency. Adjusting the capacity ratio limit of photovoltaic power generation systems will be the most obvious optimization method in “reducing costs”. This paper mainly combines relevant specifications, literature, inverter reliability performance and other factors, through the use of specialized design software and photovoltaic financial analysis model, under different performance ratio (PR) conditions, respectively for the levelized cost of energy (LCOE) and the life of the inverter running the two optimal capacity ratio analysis and verification. A method of selecting the optimal capacity ratio is proposed to provide reference for design and personnel to carry out design and investment benefit calculation work.

Key words： optimal capacity ratio system loss performance ratio (PR) levelized cost of energy (LCOE) operating life

Received: 26 March 2025

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KE Xuejin. A method of analyzing and validating the optimal capacity ratio of photovoltaic power generation system[J]. Electrical Engineering, 2025, 26(11): 53-57.

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https://dqjs.cesmedia.cn/EN/Y2025/V26/I11/53