新能源电站配备储能是能源发展的重要趋势,储能电站可以平抑新能源出力的波动,提高能源利用率和电网安全性.为比较不同类型的储能电站与光伏电站联合运营的经济效益,针对储能电站建立了电量模型、经济模型和成本模型,并以甘肃某10万kW光伏电站项目为研究对象,研究了光伏电站配备不同储能形式的经济性和控制策略.采用了一种基于距离的K-means聚类分析法来合并相似场景提炼原始数据,比较了单独配备磷酸铁锂电池储能、单独配备压缩空气储能以及压缩空气与磷酸铁锂电池耦合储能3种配置方式的经济性.结果显示:单独配置磷酸铁锂电池储能经济性最高,投资回收期为7.16 a;压缩空气与磷酸铁锂电池耦合储能的经济性次之,投资回收期为8.93 a;单独配置压缩空气储能的经济性最低,投资回收期为9.03 a.
Economic comparison analysis of different energy storage forms for photovoltaic energy storage power stations
The integration of energy storage with renewable energy power stations is a significant trend in energy development. Energy storage systems serve to mitigate the fluctuations in renewable energy output,thereby enhancing energy utilization efficiency and grid security. To compare the economic viability of different energy storage forms in photovoltaic power stations,comprehensive models encompassing electricity,economic,and cost considerations were devised. Focusing on a 100 MW photovoltaic facility in Gansu Province,this study scrutinizes the economic viability and control strategies associated with integrating various forms of energy storage. This study employed a distance-based K-means clustering analysis to consolidate similar scenarios and refine raw data. A comparative analysis was conducted on three configurations:standalone LFP battery energy storage,standalone compressed air energy storage,and a hybridized configuration intertwining compressed air and LFP battery energy storage. The results indicate that the standalone deployment of LFP battery energy storage exhibits the highest economic viability,with a payback period of 7.16 years. Coupled energy storage systems combining compressed air and LFP batteries follow with slightly lower economic viability,featuring a payback period of 8.93 years. Conversely,the standalone deployment of compressed air energy storage demonstrates the lowest economic viability,with a payback period of 9.03 years.
compressed air energy storageLFP battery energy storagephotovoltaic power stationeconomy analysis
国家科技期刊平台
NSTL
万方数据
