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高压电器  2014 

基于新型关联规则算法的开关柜局放程度分类研究

, PP. 23-28

Keywords: 开关柜, 局部放电, 关联规则数据挖掘, 模糊C均值聚集, Apriori算法, 模糊推理

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Abstract:

为对开关柜绝缘状态进行评估,文中介绍了一种新型的关联规则数据挖掘(ARM)算法,用于识别开关柜局部放电的严重程度。该算法采用模糊C均值聚集(FCM)的方法划分局部放电特征量区间,基于改进型Apriori寻找满足最小支持度和最小可信度的候选集,对候选集进行递推和多次检索以产生用于分类的关联规则库。基于关联规则库对采集的10kV开关柜中的多组针尖电晕局部放电信号进行模糊推理,结果表明采用关联规则的局部放电分类识别率高,分类结论准确,为开关柜绝缘状态评估提供了一定的理论依据和实际应用价值。

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