王华伟;李华强;肖玲;

• 1:四川大学电气信息学院

摘要(Abstract)：

针对现有敏感设备电压暂降敏感度评估方法中仅考虑系统侧或设备侧的不确定性问题,提出了一种设备电压暂降故障概率的双重不确定性评估方法。该方法首先对系统电压暂降、设备电压耐受能力进行分析,分别用模糊变量和随机变量描述其不确定性,然后引入λ截集的概念将复杂的双重不确定性概率求解问题转化为普通概率求解问题,简化了计算。以IEEE30节点系统为例进行仿真,并与蒙特卡罗随机模拟结果进行比较,证明了文中所提方法的正确性。

关键词(KeyWords)： 电压暂降;电压敏感设备;双重不确定性;λ截集;分解定理;评估模型;评估算法

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王华伟;李华强;肖玲;

Email:

DOI: 10.13335/j.1000-3673.pst.2010.04.030

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