基于继电保护与改进算法的储能电站选址定容

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摘要针对储能电站接入配电网的选址定容问题,分析了储能电站的运行特点,详细研究了储能电站接入配电网后对原有电流保护的影响。采用多维编码法对节点进行编码,以网络有功损耗与平均电压偏移作为优化目标函数,将储能电站输出电流、配电网电流保护加入到约束条件中,进行储能电站的选址定容。根据含储能电站的配电网的故障特点,设计了一种储能电站选址定容的混合算法,将禁忌搜索作为免疫算法设定迭代次数后的变异算子,采用混沌搜索对容量进行最优化,通过交叉搜索,可有效地搜索到储能电站选址定容的全局最优解。结合福建省湄洲岛的储能电站实例,对配电网络的选址定容进行了优化计算,将其计算结果与单纯的免疫算法进行了对比分析,验证了该方法的合理性和实用性。

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	杨炼
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	黄文焘

关键词 ：储能电站, 选址定容, 继电保护, 混沌算法, 免疫禁忌算法

Abstract：In view of the problem of energy storage station locating and sizing in the distribution system, operation characteristics of energy storage power station are analyzed, and effects on conventional over current protection and distance protection of energy storage station connected to distribution system are researched. Multidimensional coding method is used to code the nodes, active power loss and voltage deviation are used as the optimization objective function, and the output current of energy storage power station, reverse time limit over current protection and distance protection of two section are taken consideration into the constraint condition for energy storage station locating and sizing. A hybrid algorithm for energy storage station locating and sizing is designed according to the fault characteristics of distribution system with energy storage station. Tabu search is used as mutation operator for the set number iterations in immune algorithm; Chaotic search is used to optimize the capacity, and the global optimal solution of energy storage station locating and sizing could be effectively searched through cross search. Combined with an example of energy storage station Fujian Meizhou Island, locating and sizing in the distribution system is calculated by this optimization method. The results are compared and analyzed with that of traditional Imunne algorithm. The calculated result indicates that the improved hybrid method is rational, effective and practical, applicable in the distribution network easily.

Key words： Energy storage station locating and sizing relay protection chaos algorithm immune- tabu algorithm

收稿日期: 2013-03-09 出版日期: 2015-04-13

PACS:

TM715

基金资助:教育部科学技术研究资助项目（113023A）

作者简介: 杨炼男,1988年生,博士研究生,研究方向为电力系统继电保护、微网保护与控制。范春菊女,1967年生,博士,副教授,研究方向为电力系统继电保护、智能电网。

引用本文:

杨炼,范春菊,邰能灵,黄文焘. 基于继电保护与改进算法的储能电站选址定容[J]. 电工技术学报, 2015, 30(3): 53-60. Yang Lian,Fan Chunju,Tai Nengling,Huang Wentao. Energy Storage Station Locating and Sizing Based on Relay Protection and Improved Algorithm. Transactions of China Electrotechnical Society, 2015, 30(3): 53-60.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2015/V30/I3/53

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