戴铭;何正友;赵静;贾勇;

• 1:西南交通大学电气工程学院

摘要(Abstract)：

提出一种小波变换和支持向量机(support vector machine,SVM)相结合的配电网电容器投切扰动源定位方法。该算法使用小波变换对电容器投切产生的暂态扰动信号进行分析,提取扰动能量和扰动持续时间2个特征量作为SVM分类器的输入,以识别扰动,实现投切电容器的自动定位。基于PSCAD/EMTDC仿真软件建立典型10kV配网模型,并选取3个不同位置的电容器进行投切操作,仿真电容器投切产生的暂态扰动。以改变电容器投入时间得到的不同投切事件作为算法样本进行了仿真分析。结果表明,所提算法定位电容器投切扰动源的准确率可达99.17%。

关键词(KeyWords)： 电能质量;电容器投切扰动源;小波变换;支持向量机

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50877068);; 教育部优秀新世纪人才支持计划项目(NCET-06-0799)~~

作者(Author): 戴铭;何正友;赵静;贾勇;

Email:

DOI: 10.13335/j.1000-3673.pst.2010.06.032

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