| 引用本文: | 刘文轩,姚玉海,齐伟强,任志刚.基于启发式规则的配电网孤岛划分算法[J].电力系统保护与控制,2019,47(16):166-172.[点击复制] |
| LIU Wenxuan,YAO Yuhai,QI Weiqiang,REN Zhigang.An algorithm on island partition of the distribution system based on Heuristic rule[J].Power System Protection and Control,2019,47(16):166-172[点击复制] |
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| 摘要: |
| 随着分布式电源(Distributed Generation, DG)的大量接入电网，孤岛运行成为一种提高供电可靠性的重要方式，合理地划分孤岛具有重要意义。首先，针对配电网的特点，构建了平均层数和平均度值两个目标函数。然后，根据孤岛划分的多目标优化问题，提出了支路和节点优先级的确定方法。在此基础上，以支路和节点优先级作为启发式规则，提出了一种基于启发式规则的配电网孤岛划分算法。该算法以DG节点或以该DG节点形成的孤岛为根，采取“搜索+调整”的思路进行求解。最后，通过仿真算例验证了该算法可以有效计及联络开关、负荷的重要程度、负荷的可控程度、节点度值、节点层数和负荷量大小的因素，能够很好地解决孤岛划分问题。 |
| 关键词: 孤岛划分 平均层数 平均度值 支路优先级 节点优先级 |
| DOI：10.19783/j.cnki.pspc.181047 |
| 投稿时间：2018-08-14修订日期：2019-04-19 |
| 基金项目:国家重点研发计划项目资助“可再生能源发电基地直流外送系统的稳定控制技术”(2017YFB0902000) |
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| An algorithm on island partition of the distribution system based on Heuristic rule |
| LIU Wenxuan,YAO Yuhai,QI Weiqiang,REN Zhigang |
| (State Grid Economic and Technological Research Institute Co., Beijing 102209, China;State Grid Beijing Electric Research Institute, Beijing 100075, China) |
| Abstract: |
| With more and more Distributed Generation (DG) access to distribution network, islanding operation has become an important operation mode. Therefore, it is significant to partition island reasonably. Firstly, on the basis of the characteristics of distribution networks, the average level and the average degree as the objective functions are proposed. Secondly, according to multi-objective problem of island partition, the determination method of branch and node priority level is proposed. On this basis, an algorithm on island partition of the distribution system based on heuristic rule is proposed. The DG node (or the island formed by the DG node) is as the root, and guideline of “search and modulation” is used for solving method. Finally, the effectiveness and rationality of this algorithm are validated by simulation case, which takes connective switch, load importance, controllability of load, node level, node degree and load capacity into account. This work is supported by National Key Research and Development Program of China (No. 2017YFB0902000). |
| Key words: island partition average level average degree priority level of branch priority level of node |
