Study on time-frequency extractors for partial discharge pulse current used in sequence grouping and identification

被引：0
|
作者：
Si Wenrong [1 ]
Fu Chenzhao [1 ]
Gao Kai [1 ]
Huang Hua [1 ]
Ni Hao [1 ]
机构：
[1] E China Elect Power Test & Res Inst Co Ltd, Shanghai 200437, Peoples R China
来源：
PRZEGLAD ELEKTROTECHNICZNY | 2011年 / 87卷 / 10期
关键词：
partial discharge; pulse current; feature extraction; grouping; identification; DIGITAL DETECTION; SIGNALS; PD; CLASSIFICATION; DIAGNOSIS; VOLTAGE;
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：
This paper introduces a general way to make feature extraction for partial discharge (PD) pulse waveshape used in sequence grouping resorting with equivalent time-frequency method. A digital ac PD pulse detection system with bandwidth of 10 kHz - 40 MHz and sampling rate of 100 MS/s is introduced, which was developed to study those feature extractors. Simulation and test results with gas insulated switch (GIS) show that they are practical and effective to develop PD detection system with grouping and identification technique.
引用
收藏
页码：340 / 349
页数：10
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