Optimization of UHF Hilbert Antenna for Partial Discharge Detection of Transformers

被引：59
|
作者：
Li, Jian [1 ]
Jiang, Tianyan [1 ]
Wang, Caisheng [2 ,3 ]
Cheng, Changkui [1 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst &, Chongqing 400044, Peoples R China
[2] Wayne State Univ, Div Engn Technol, Detroit, MI 48202 USA
[3] Wayne State Univ, Dept Elect & Comp Engn, Detroit, MI 48202 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2012年 / 60卷 / 05期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
Hilbert fractal antenna; partial discharge; transformer; ultra-high-frequency detection;
D O I：
10.1109/TAP.2012.2189929
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 (PD) online monitoring is an effective tool of inspecting insulation defects and identifying potential faults in power transformers. Ultra-high-frequency (UHF) approaches have caught increasing attention recently and been considered as a promising technology for online monitoring PD signals. The size of a UHF sensor for PD online monitoring of transformer is a critical factor for practical installation inside transformer. This communication presents a compact fourth order UHF Hilbert fractal antenna with desired performance and suitable size for easy installation. Actual PD experiments were carried out for four typical artificial insulation defect models while the antenna was used for PD measurements. The experimental results show that the proposed Hilbert fractal antenna is suitable and effective for UHF online monitoring of PDs in transformers.
引用
收藏
页码：2536 / 2540
页数：5
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