基于图论的移动应急电源孤岛划分及最优接入点搜索

发布时间：2018-02-03 00:12

本文关键词： 移动应急电源配电网恢复孤岛划分图论精确递归　出处：《电力系统自动化》2015年06期 　论文类型：期刊论文

【摘要】：在城市配电网发生大面积停电时,移动应急电源为重要用户提供孤岛应急电力资源。在配电网图模型的基础上,提出将孤岛划分问题转化为祖先约束背包问题,利用图论的精确递归法解决。首先深入研究了最优接入点的优化:通过在配电网每个节点形成孤岛,获得每个节点对应恢复负荷的失负荷价值总和。然后以此为目标,搜索到单台移动应急电源最优接入点,并利用多约束优化解决岛内电源接入点搜索问题。最后,在单台移动应急电源最优接入点搜索方法的基础上,给出了多台移动应急电源联合应急的方案制定方法,算例结果证明了该方法能最大程度地利用移动应急电力资源减小重要用户的经济损失。
[Abstract]:Mobile emergency power supply provides isolated island emergency power resources for important users when large area power outages occur in urban distribution networks. On the basis of distribution network graph model, the problem of island partition is transformed into ancestor constrained knapsack problem. Using the exact recursive method of graph theory, the optimization of the optimal access point is studied in depth: by forming isolated islands at each node of the distribution network. The total value of lost load of each node corresponding to the recovery load is obtained. Then, the optimal access point of a single mobile emergency power supply is searched. And using multi-constraint optimization to solve the island power access point search problem. Finally, on the basis of the single mobile emergency power supply optimal access point search method. In this paper, a scheme of multiple mobile emergency power sources for joint emergency response is presented. The results of an example show that the method can minimize the economic losses of important users by using mobile emergency power resources to the maximum extent.
【作者单位】：华东电力设计院电力规划部;上海交通大学电子信息与电气工程学院;电力传输与功率变换控制教育部重点实验室(上海交通大学);
【分类号】：TM73;TN86
【正文快照】： 0引言现代城市是大量重要用户的聚集地,一旦遭遇大面积停电,若不采取应急措施而等待电网修复后重新并网,经济损失和后果将十分严重[1]。移动应急电源(mobile emergency power source,MEPS)可以直接恢复配电网馈线的供电,分散地解决重要用户的停电问题,减少经济损失。从原理上

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