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电网技术  2007 

基于改进贝叶斯分类法的电能质量扰动分类方法

, PP. 22-25

Keywords: 电能质量,小波变换,贝叶斯分类法,K近邻法,扰动分类,交流暂态仿真软件

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Abstract:

基于改进贝叶斯分类法提出了2种改进的暂态电能质量扰动分类方法。该分类方法保留了原贝叶斯分类法“最优分类”的性质,使原贝叶斯分类法转化为非参数分类法,扩大了分类法的适用范围,可对数量有限的交叉样本进行最优分类。采用交流暂态仿真软件对5种典型的电能质量扰动信号如电压振荡、电压中断等进行仿真和分类识别。对暂态电压扰动的分类结果表明,上述改进的暂态电能质量扰动分类方法分类特性良好、适用范围较广。

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