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电网技术  2009 

辨识电网薄弱节点的多准则综合电压稳定指标

, PP. 26-31

Keywords: 静态电压稳定,电压变化指标,无功功率裕度指标,理想点法,薄弱节点

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Abstract:

提出了一种辨识电网薄弱节点的多准则综合电压稳定指标。首先根据P-V和Q-V曲线计算出节点的电压变化指标和无功功率裕度指标;在此基础上,提出了采用理想点评价方法将2种电压稳定指标进行综合用于辨识系统薄弱节点。通过不同的权重系数组合可实现不同指标偏好的决策分析。我国某实际电网的算例分析结果验证了所提方法的实用性和有效性。

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