Analysis of UHF signal using prediction model

被引：1

作者：

Chang, C ^{[1
]}

Chang, CS

Jin, J

Hoshino, T

Hanai, M

Kobayashi, N

机构：

[1] Natl Univ Singapore, Singapore 119260, Singapore

[2] Tianjin Elect Power Corp, Tianjin 300162, Peoples R China

[3] TMT&D Corp, Kawasaki, Kanagawa 2100862, Japan

[4] Toshiba Co Ltd, Kawasaki, Kanagawa 2100862, Japan

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2004年 / 19卷 / 04期

关键词：

gas-insulated switchgear (GIS); partial-discharge (PD) waveshape analysis; prediction model;

D O I：

10.1109/TPWRD.2004.832398

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：

With increasing interest in the reduction of cost for operation and maintenance of SF6 gas-insulated switchgear (GIS), various methods of condition monitoring have been developed and used in conjunction with highly sensitive sensors and advanced digital signal processing techniques. Detection of partial-discharge signals in GIS using ultra-high frequency (UHF) technique has gained wide acceptance in research and industry. Unlike approaches of fast Fourier transformation and discrete wavelet transformation (DWT), a novel method of using an adaptive linear combiner as a prediction model to analyze UHF signals is introduced in this paper. Successful results are obtained by applying this new method on field data measured by a UHF coupler. The feasibility of this new approach is studied and proved by the statistical distributions of the trained weights.

引用

页码：1579 / 1586

页数：8

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