Diagnostic method for insulated power cables based on wavelet energy

被引：8
|
作者：
Lee, Sin Ho [1 ]
Lee, Chun Ku [1 ]
Park, Jin Bae [1 ]
Choi, Yoon Ho [2 ]
机构：
[1] Yonsei Univ, Dept Elect & Elect Engn, Seoul 120749, South Korea
[2] Kyonggi Univ, Dept Elect Engn, Suwon 443760, Kyonggi Do, South Korea
来源：
IEICE ELECTRONICS EXPRESS | 2013年 / 10卷 / 12期
关键词：
aging condition; insulated power cable; wavelet energy; wavelet transform; FREQUENCY DOMAIN REFLECTOMETRY; LOCALIZATION; FAULT;
D O I：
10.1587/elex.10.20130335
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：
In this paper, we propose a diagnostic method for insulated power cables based on wavelet energy. The power cable has the degradation problem because of the thermal stress and the electric stress and the risk increases with aging time. Thus, we need to know the aging condition for the power cable. The cable aging condition can be verified by using the wavelet energy because the attenuation constant is increased by the cable aging. That is, the wavelet energy decreases as the cable aging condition deteriorates. To confirm the effectiveness of the proposed method, the real experiments are carried out for four types of the old cables with the different aging times.
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页数：6
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