Partial discharge signal analysis using Reassigned Time Frequency Transform for GIS

被引：0
|
作者：
Wang, Hui [1 ]
Huang, Chengjun [1 ]
Yao, Linpeng [1 ]
Qian, Yong [1 ]
Jiang, Xiuchen [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200030, Peoples R China
来源：
PRZEGLAD ELEKTROTECHNICZNY | 2010年 / 86卷 / 08期
关键词：
gas insulated switchgear (GIS); partial discharge (PD); time-frequency (TF) analysis; reassignment theory; DISTRIBUTIONS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Partial discharge signal of gas insulated switchgear is a typical non-stationary signal, using the time or frequency domain simply is not enough to describe the time-varying information of PD. Based on the reason above, this paper introduces a joint time-frequency analysis method according to the reassignment theory for analyzing the PD of GIS. After the processing of the PD signals simulated and on field, we conclude that this method provides a higher concentration in the time-frequency plane and reduces the most influence of the cross-interference terms.
引用
收藏
页码：319 / 323
页数：5
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