High-Resolution Partial Discharge Location Estimation in Power Cables

被引：9

作者：

Kim, Y. -H. ^{[1
]}

Youn, Y. -W. ^{[2
]}

Yi, S. -H. ^{[2
]}

Hwang, D. -H. ^{[2
]}

Sun, J. -H. ^{[2
]}

Lee, J. -H. ^{[3
]}

机构：

[1] Myongji Univ, Dept Elect Engn, Yongin 449728, South Korea

[2] KERI, HVDC Res Div, Chang Won 642120, South Korea

[3] Gachon Univ, Dept Elect Engn, Seongnam 461701, Gyeonggi, South Korea

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2014年 / 21卷 / 02期

关键词：

Partial discharges; time-domain reflectometry; delay estimation; signal detection; noise; interference suppression; WAVELET TRANSFORM TECHNIQUE; SIGNALS; NOISE;

D O I：

10.1109/TDEI.2013.004176

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 study proposes a new approach to estimate the partial discharge (PD) location for power cables. For the PD location estimation, we estimate the time-of-arrival (TOA) interval between the direct and reflected PD pulses using time-domain reflectometry. In the proposed scheme, we introduce a high-resolution technique known as the multiple signal classification method. This method is a powerful tool that extracts the PD pulses in a noisy environment using the orthogonality of the signal vectors to noise eigenvectors. Simulation results of the theoretical and experimental PD signals show that the proposed scheme accurately estimates the TOA interval of the PD pulses in a noisy environment.

引用

页码：758 / 765

页数：8

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