Impacts of energy storage in distribution grids with high penetration of photovoltaic power
Impacts of energy storage in distribution grids with high penetration of photovoltaic power
复制标题
储能对光伏高渗透率配电网的影响
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
P. Lund
中科院分区：
文献类型：
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作者：
J. Paatero;P. Lund
本文采用动态计算方法研究了储能对大规模光伏发电项目的网络影响的影响。使用将潮流计算与分布式发电和存储模型相结合的仿真工具，对总共 11 个案例研究进行了计算。还考虑了不同的存储方案、光伏尺寸和气候带。研究表明，根据具体情况，每 1kWp 光伏使用 1kWh 的存储可以将光伏感应过电压降低 30-100%。南方气候的好处比北方纬度地区的好处更明显，因为北方纬度地区太阳能输出与负荷之间的不匹配在季节范围内更为严重。通过在电网中仔细选址光伏机组，即使没有存储也可以实现显着的效益。这些好处是通过将光伏系统放置在强电网位置并避开弱电网位置来实现的。
This paper investigates the influence of energy storage on the network impacts from large-scale PV schemes applying a dynamic computational method. A total of 11 case studies were computed applying a simulation tool that combines powerflow calculations with distributed generation and storage models. Different storage schemes, PV sizing and climatic zones have also been considered. The study indicates that using a storage of 1kWh per 1kWp PV may reduce the PV induced over-voltage by 30-100% depending on the case. The benefits were more distinctive in a southern climate than in northern latitudes where the mismatch between solar output and load is more severe at the seasonal scale. With careful siting of the PV units in the grid, significant benefits can be achieved even without storage. These benefits are achieved by placing PV systems in strong grid locations and avoiding the weak ones.