Power Transformer Partial Discharge Signal De-noising Based on Variational Mode Decomposition

被引：0
|
作者：
Zhao, Lei [1 ]
Li, Chungeng [1 ,2 ]
Zhu, Yongli [1 ]
Chen, Xu [1 ]
Guo, Xiaohong [1 ]
Gao, Yanfeng [1 ]
机构：
[1] North China Elect Power Univ, Baoding 071003, Peoples R China
[2] Hengshui Elect Power Supply Co, Hengshui, Peoples R China
来源：
PROCEEDINGS OF THE 2015 INTERNATIONAL CONFERENCE ON INTELLIGENT SYSTEMS RESEARCH AND MECHATRONICS ENGINEERING | 2015年 / 121卷
关键词：
transformer; partial discharge; VMD; signal de-noising;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Partial discharge (PD) signals is one of the key means to judge the transformer fault, how to effectively remove interference of PD in the field is the key in PD monitoring. Based on the Hilbert transform, this paper proposes a new algorithm of signal decomposition of Variational Mode Decomposition (VMD) by using the de-noising in transformer PD signal, VMD can decompose signal into several modes, and each of them is compact around a center pulsation. The simulation results show that the proposed method can well remove the narrow-band periodic interference and white noise, and keep the partial discharge signal, verify the validity of VMD.
引用
收藏
页码：819 / 822
页数：4
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