电力系统保护与控制2011，Vol.39Issue(22)：133-139,7.
基于集合经验模态分解的局部放电信号的窄带干扰抑制
A narrow-band interference suppression method based on EEMD for partial discharge
姚林朋 1郑文栋 1钱勇 1杜永平 2杨富民 2毕杰昌 2黄成军 1江秀臣1
作者信息
- 1. 上海交通大学电气工程系电力传输与功率变换控制教育部重点实验室,上海200240
- 2. 宿州供电公司,安徽宿州234000
- 折叠
摘要
Abstract
Due to the mixed mode phenomena of the empirical mode decomposition (EMD) method, partial discharge (PD) component may mix with narrow-band component in the instinct mode function so that it is hard to extract PD signals from narrow-band interferences. This paper shows that it is an inherent problem with mixed mode phenomena under the condition of adding different amplitude or different frequency narrow-band interference. EEMD method is introduced to separate the PD signals from the narrow-band interferences of a single frequency or multi-frequency. An adaptive threshold method is given to suppress the white noise added by EEMD. The proceeding result of simulation model and signal from field test proves its effectiveness.关键词
XLPE电缆/局部放电/经验模态分解/集合模态经验分解/窄带干扰Key words
XLPE cable/ partial discharge/ empirical mode decomposition/ ensemble empirical mode decomposition/ narrow-band interference分类
信息技术与安全科学引用本文复制引用
姚林朋,郑文栋,钱勇,杜永平,杨富民,毕杰昌,黄成军,江秀臣..基于集合经验模态分解的局部放电信号的窄带干扰抑制[J].电力系统保护与控制,2011,39(22):133-139,7.
