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西藏高原地区光伏配套储能系统设计及运行研究 被引量:1

Research on Design and Operation of Photovoltaic-Energy Storage System in Tibet Plateau
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摘要 西藏太阳能资源丰富,提升光伏应用水平对于提高电力保障能力,构建清洁低碳、安全高效的能源体系具有重要意义。针对西藏高原地区极端条件造成的地区电网电源供电能力不足、光伏利用小时数较低以及电网安全稳定性影响较大等问题,以海拔4700 m的西藏当雄羊易10 MW光伏电站配套储能项目为例进行了研究。首先,研究了高海拔电池储能系统的设计方法,提出了储能变流器的高海拔修正策略和降容选型原则,分析了电池系统的热管理设计方法;然后,对光储控制系统架构和控制策略进行了详细阐述分析;最后,结合政府保供政策和投资运维费用,对该项目储能系统的经济性进行了分析评价。研究结果可为高原地区光伏配套储能系统的设计提供参考。 Tibet is rich in solar energy resources,and promoting the application level of photovoltaic is of great significance for improving power security and building a clean,low-carbon,safe and efficient energy system.Aiming at the problems caused by the extreme conditions in Tibetan Plateau region,such as insufficient power supply capacity of regional power grid,low photovoltaic utilization hours,and great influence of photovoltaic on power grid security and stability,the research is carried out taking the energy storage project of Yangyi 10 MW photovoltaic power station for example,which is connected to Tibet Dangxiong power station at an altitude of 4,700 meters.Firstly,the design of high-altitude battery energy storage system is studied,the high altitude correction strategy and the selection principle to reduce capacity for energy storage converter are proposed,and the thermal management design of battery system is analyzed.Then the architecture and control strategy of photovoltaic-energy storage control system are analyzed in details.Finally,combined with the power supply guarantee policy made by the government and the investment costs on operation and maintenance,the economy of energy storage system of this project is analyzed and evaluated.The results can provide a reference for the design of photovoltaic-energy storage system in plateau area.
作者 粟刚 李科峰 王辉 郎春雷 晏小彬 SU Gang;LI Kefeng;WANG Hui;LANG Chunlei;YAN Xiaobin(Tibet Branch of State Power Investment Group Co.,Ltd.,Lhasa 851414,Tibet,China;Southwest Electric Power Design Institute Co.,Ltd.,Chengdu 610021,Sichuan,China)
出处 《四川电力技术》 2023年第3期27-34,共8页 Sichuan Electric Power Technology
关键词 电池储能系统 高海拔修正 光储控制策略 经济性评价 battery energy storage system high altitude correction photovoltaic-energy storage control strategy economic evaluation
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