Design of a UHF Antenna for Partial Discharge Detection of Power Equipment

被引：6
|
作者：
Wang, Youyuan [1 ]
Wu, Junfeng [1 ]
Chen, Weigen [1 ]
Wang, Yajun [1 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Sa, Chongqing 400044, Peoples R China
来源：
JOURNAL OF SENSORS | 2014年 / 2014卷
基金：
美国国家科学基金会;
关键词：
SPIRAL ANTENNA;
D O I：
10.1155/2014/839386
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：
A single-arm Archimedean spiral antenna that can be directly fed by a 50 Omega coaxial cable is investigated in this study. Every antenna parameter is optimized under simulation to make the antenna work in the ultra-high frequency band. The influence of dielectric materials, feed cone angle, and antenna duty ratio is also examined. Partial discharge (PD) experiments on several typical artificial insulation defects are conducted, and a single-arm Archimedean spiral antenna and a typical microstrip antenna are utilized for PD measurement. The PD characteristics of different insulation defects are also analyzed. Results show that the designed antenna is suitable for ultra-high frequency monitoring. The detection sensitivity of the single-arm spiral antenna is superior to that of the ordinary microstrip antenna. The former can be utilized in wide-band measurement fields.
引用
收藏
页数：8
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