考虑分布式电源的配电网无功调度和储能优化方法
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国网江苏省电力有限公司宿迁供电分公司

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国家重点研发计划资助,2018YFB2100100


A method of Reactive power dispatching and energy storage optimization for distribution network with distributed power resources
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State Grid Jiangsu Electric Power Company, LTD. State grid Suqian power supply company

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    摘要:

    在配电系统中使用光伏、电池储能系统等分布式电源可实现灵活高效的无功补偿。本文提出了一种考虑分布式能源的配电网无功调度和储能优化的分析方法。该方法以运行成本为目标函数,结合前推回代算法和近似拟合法对分布式电源的无功调度和储能方法进行优化。用实际太阳辐照数据和系统运行数据在两种配电系统对该方法的有效性进行了验证。该方法消除了对初始解和参数整定的依赖,求解速度比现有常用算法快50倍以上,可用于实时调度。

    Abstract:

    The use of distributed power resources such as photovoltaics and battery energy storage systems in the distribution system can achieve flexible and efficient reactive power compensation. This paper presents an analysis method for reactive power dispatch and energy storage optimization of distribution network considering distributed power. The method takes the operating cost as the objective function, and combines thebackward-forward sweep algorithm and approximate fitting method to optimize the reactive power dispatch and energy storage method of distributed network. The actual solar radiation data and system operating data are used to verify the effectiveness of the method in two power distribution systems. This method eliminates the dependence on the initial solution and parameter tuning, the solution speed is more than 50 times faster than the existing common algorithms, and can be used for real-time scheduling.

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  • 收稿日期:2020-11-02
  • 最后修改日期:2020-12-01
  • 录用日期:2020-12-03
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