检测GIS局部放电的小型化多频带复合天线

doi:10.11930/j.issn.1004-9649.202103071

中国电力 ›› 2023, Vol. 56 ›› Issue (4): 167-174.DOI: 10.11930/j.issn.1004-9649.202103071

检测GIS局部放电的小型化多频带复合天线

冯洋¹, 周磊², 马全福¹, 尹松¹, 王朔³

1. 国网宁夏电力有限公司培训中心, 宁夏银川 750002;
2. 北京科东电力控制系统有限责任公司, 北京 100192;
3. 浙江邮电职业技术学院通信技术学院, 浙江绍兴 312000

收稿日期:2021-03-09 修回日期:2022-07-29 发布日期:2023-04-26
作者简介:冯洋(1987-),男,高级技师,从事电力设备状态评估及故障诊断研究,E-mail:532350139@qq.com;周磊(1979-),男,硕士,高级工程师,从事通信技术、电力设备故障诊断研究,E-mail:651088595@qq.com;马全福(1963-),男,通信作者,高级工程师(教授级),从事电力系统自动化研究,E-mail:1007014937@qq.com;尹松(1990-),男,工程师,从事电力设备状态评估及故障诊断研究,E-mail:18903298258@163.com;王朔(1982-),女,讲师,从事通信技术、逆变器变换控制技术和发电机组研究,E-mail:1115217570@qq.com
基金资助:
浙江省基础公益研究计划（机电装备液压系统噪声测试关键技术研究及检测设备研制，GG19E050010）；国网宁夏电力有限公司科技项目（基于VR技术的电气试验数字孪生应用工具开发，9129JP200037）。

Miniaturized Multi-band Compound Antenna for Detecting Partial Discharge in GIS

FENG Yang¹, ZHOU Lei², MA Quanfu¹, YIN Song¹, WANG Shuo³

1. Training Center of State Grid Ningxia Electric Power Co., Ltd., Yinchuan 750002, China;
2. Beijing Kedong Electric Power Control System Co., Ltd., Beijing 100192, China;
3. School of Telecommunication Technology, Zhejiang Post and Telecommunication College, Shaoxing 312000 China

Received:2021-03-09 Revised:2022-07-29 Published:2023-04-26
Supported by:
This work is supported by Zhejiang Basic Public Welfare Research Project (Research on Key Technologies of Noise Testing for Hydraulic System of Electromechanical Equipment and Development of Testing Equipment, No.GG19E050010), Science & Technology Project of State Grid Ningxia Electric Power Co., Ltd. (Development of Digital Twin Application Tool for Electrical Test Based on VR Technology, No.9129JP200037).

摘要/Abstract

摘要： 为了对气体绝缘全封闭组合电器（GIS）局部放电的超高频信号进行检测，设计了一种用于检测GIS局部放电的多频点宽频复合天线。首先，通过对复合天线进行小型化、宽频化原理分析，实现天线的小型化；然后，运用矢量网络分析仪对实物天线进行驻波比实测研究；最后，在实验室搭建GIS局部放电测试系统对天线进行实测研究。结果表明：设计研究的天线兼具多频带、小型化和高增益的特性，在0.75~0.90 GHz、1.23~1.48 GHz、1.78~2.12 GHz、2.42~2.79 GHz的频段范围内，其驻波比（VSWR）小于2，具有较宽的频带范围，能够记录局部放电的大部分信息；随着频率的增加，天线增益也在逐渐变大，天线最高增益可达6.5 dB，可有效接收微弱的特高频信号；研究结果表明，设计的天线特性良好，可用于GIS局部放电的现场监测。

关键词: 特高频, GIS, 局部放电, 多频点, 复合天线, 小型化

Abstract: In order to detect the UHF signal of partial discharge (PD) in gas insulated switchgear (GIS), a multi-frequency point broadband compound antenna was designed for detecting PD in GIS. Firstly, the principle of miniaturization and broadbandization of the compound antenna was analyzed to realize the miniaturization of the antenna. Then the voltage standing wave ratio (VSWR) of the antenna was tested by vector network analyzer. Finally, a GIS partial discharge test system was built in the laboratory to conduct the actual measurement study on the antenna. The test results show that the compound antenna has the characteristics of multi-band, miniaturization and high gain; it has a VSWR of less than 2 with a wide frequency range and can record most of the partial discharge information in the frequency range of 0.75 GHz to 0.90 GHz, 1.23 GHz to 1.48 GHz, 1.78 GHz to 2.12 GHz and 2.42 GHz to 2.79 GHz. with the increase of frequency, the antenna’s gain gradually increases with a maximum gain reaching up to 6.5 dB, which can effectively receive weak UHF signals. It is concluded that the designed antenna has a good performance and is quite promising for PD on-line detection applications.

Key words: UHF, GIS, partial discharge, multi-frequency point, composite antenna, miniaturize

冯洋, 周磊, 马全福, 尹松, 王朔. 检测GIS局部放电的小型化多频带复合天线[J]. 中国电力, 2023, 56(4): 167-174.

FENG Yang, ZHOU Lei, MA Quanfu, YIN Song, WANG Shuo. Miniaturized Multi-band Compound Antenna for Detecting Partial Discharge in GIS[J]. Electric Power, 2023, 56(4): 167-174.

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https://www.electricpower.com.cn/CN/Y2023/V56/I4/167

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检测GIS局部放电的小型化多频带复合天线

Miniaturized Multi-band Compound Antenna for Detecting Partial Discharge in GIS

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检测GIS局部放电的小型化多频带复合天线

Miniaturized Multi-band Compound Antenna for Detecting Partial Discharge in GIS

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