电工技术学报  2016, Vol. 31 Issue (10): 127-135    DOI:
电气设备绝缘状态监测与故障诊断专题 |
检测气体绝缘组合电器局部放电的四频段微带单极子特高频天线设计
谭巧1, 唐炬1,2, 曾福平1
1. 输配电装备及系统安全与新技术国家重点实验室(重庆大学) 重庆 400044;
2. 武汉大学电气工程学院 武汉 430072
Design of Fourfold-Band Micro-Strip Monopole Antenna for Partial Discharge Detection in Gas Insulated Switchgear
Tan Qiao1, Tang Ju1,2, Zeng Fuping1
1. State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing 400044 China;
2. School of Electrical Engineering Wuhan University Wuhan 430072 China
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摘要 针对用于气体绝缘组合电器(GIS)局部放电特高频(UHF)在线监测的天线传感器应具有宽频带、高增益和小尺寸等性能要求,设计了一种外置小型四频段微带单极子特高频天线传感器。采用多个辐射单元技术,展宽了特高频天线的检测频段,实现了传感器的多频信号传感特性,运用HFSS仿真软件对天线结构尺寸进行优化设计,选取一组最优参数进行特高频天线实物制作。理论计算和实验室天线特性实测表明,研制的外置四频段微带单极子特高频天线性能优异,在实验室GIS装置上,用已有的微带贴片特高频天线与所设计的特高频天线传感器对模拟缺陷产生的局放信号进行了对比检测,进一步证明了微带单极子特高频天线具有良好的检测灵敏度。
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关键词 单极子天线 多频段 局部放电 特高频    
Abstract:The antenna, which has the virtues of broad band, high gain and small size, can be used for ultrahigh frequency (UHF) partial discharge (PD) online detection in gas insulated switchgear (GIS), A kind of fourfold-band micro-strip monopole antenna is designed. Herein, multiple radiating elements broaden the UHF antenna detection frequency band and realize multiple frequency characteristic of antenna. HFSS simulation software is used to optimize the design of antenna structure size, and then the antenna is built using the optimal physical parameters. Theoretical calculation and actual test data show that the micro-strip monopole UHF antenna possesses a good radiating performance and a fourfold-band property when working in the UHF band. The PD test comparisons between micro-strip monopole antenna sensor and micro-strip patch sensor are carried out, which further indicate that the micro-strip monopole UHF antenna has good detection sensitivity.
Key wordsMonopole antenna    multiband    partial discharge    ultrahigh frequency   
收稿日期: 2014-05-13      出版日期: 2016-07-11
PACS: TM15  
通讯作者: 唐 炬 男,1960年生,教授,博士生导师,研究方向为电气设备绝缘状态在线监测与故障诊断技术、高电压测试技术等。E-mail: cqtangju@vip.sina.com(通信作者)   
作者简介: 谭 巧 女,1990年生,硕士研究生,主要从事GIS绝缘状态在线监测与故障诊断的研究。E-mail: tanqiao1204@163.com
引用本文:   
谭巧, 唐炬, 曾福平. 检测气体绝缘组合电器局部放电的四频段微带单极子特高频天线设计[J]. 电工技术学报, 2016, 31(10): 127-135. Tan Qiao, Tang Ju, Zeng Fuping. Design of Fourfold-Band Micro-Strip Monopole Antenna for Partial Discharge Detection in Gas Insulated Switchgear. Transactions of China Electrotechnical Society, 2016, 31(10): 127-135.
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