计及分布式电源的配电网储能配置研究

摘要

分布式电源的接入,给配电网的可靠运行带来了一定影响,需要配置相应的储能装置来保证系统的安全运行.该文计及储能装置和分布式电源对配电网潮流的影响,同时结合储能装置的自身成本对系统的经济效益进行分析;建立以配电网节点电压波动最小以及储能装置经济性最优为目标的多目标函数模型,并利用基于人工免疫系统的多目标优化算法对模型求解,得到最优Pareto解集;为选出最佳结果,采用理想点决策方法选出储能装置最优配置方案.最后通过算例仿真分析,得到不同储能形式的最优配置方式.%The access of distributed power supply has brought a certain impact on the reliable operation of distribution network,it is necessary to configure the corresponding energy storage device to ensure the safe operation of the sys-tem.The impact of energy storage devices and distributed power on power flow in distribution network was taken into account in this paper.And the economic benefits was analyzed according to the cost of energy storage device.The multi-objective function model with the goal of minimizing the voltage fluctuation on distribution network nodes and optimizing the energy storage device was established,and the model could be solved by using the multi-objective opti-mization algorithm based on artificial immune system.The optimal Pareto solution set could be obtained.In order to select the best result,the optimal configuration scheme of energy storage device was selected by using the ideal point decision-making method.Finally,the optimal configuration of different energy storage forms was obtained by example simulation analysis.