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考虑地理分区边界优化的电网关键输电断面辨识

, PP. 220-228

Keywords: 电网分区,地理分区,输电断面,关键断面

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Abstract:

针对电力系统薄弱环节辨识的需要,提出了一种考虑地理分区边界优化的电网关键输电断面自动搜索方法。以电网地理分区为基础,对厂站所属分区的合理性进行检验、优化,得到电网的分区简化结构图。结合图论原理,使用分区简化图的邻接矩阵和路径矩阵及相应矩阵逻辑运算完成输电断面的自动快速搜索。依据输电断面的传输容量及安全裕度定义了断面重要度指标,并根据该指标排序筛选出系统的关键断面。利用新英格兰39节点系统及某实际电网的算例仿真搜索系统关键断面,验证了该方法的实用性和有效性。

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