Research on antenna for detecting the corona discharge of transmission line

被引：3
|
作者：
Xia, Yunfeng [1 ]
Song, Xinming [1 ]
Jia, Zhidong [2 ]
Wang, Xilin [2 ]
Qi, Jinfeng [3 ]
Xu, Zheng [3 ]
机构：
[1] Guangdong Power Grid Co Ltd, Dongguan Power Supply Bur, Prod Technol Dept, Dongguan, Peoples R China
[2] Tsinghua Univ, Shenzhen Grad Sch, Energy & Environm Dept, Shenzhen, Peoples R China
[3] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing, Peoples R China
来源：
JOURNAL OF ENGINEERING-JOE | 2019年 / 16期
基金：
中国博士后科学基金;
关键词：
log periodic antennas; corona; electromagnetic wave polarisation; transmission lines; charge measurement; electric field measurement; magnetic field measurement; signal detection; UHF antennas; VHF antennas; UHF detectors; UHF measurement; frequency; 200; 0 MHz to 350; 0; MHz; fast Fourier transform; high frequency oscillation wave; time domain signal; electromagnetic signal detection; circularly polarised log-periodic antenna design; electromagnetic wave measurement; corona discharge detection; circularly polarised log-periodic antenna; RF antenna; transmission line; AUDIBLE NOISE; CONDUCTORS; FIELD;
D O I：
10.1049/joe.2018.8392
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Detection of corona discharge of the transmission line can reflect its health status and provide warning information for maintenance. Some existing detection methods are flawed and cannot be used widely. This study presents a new method by measuring the electromagnetic wave caused by corona discharge with RF antenna. Then a circularly polarised log-periodic antenna was designed by making two pairs of log-periodic antennas 90 degrees orthogonal. Finally, this antenna was simulated and manufactured to detect electromagnetic signals, the result shows that the time domain signal of corona discharge is a high frequency oscillation wave and its fast Fourier transform main distributes between 200 and 350MHz.
引用
收藏
页码：2965 / 2968
页数：4
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