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[1]任志刚,李伟,徐兴全,等.不同电压等级GIS 局部放电UHF 信号传播特性仿真研究[J].高压电器,2019,55(05):88-93.[doi:DOI:10.13296/j.1001-1609.hva.2019.05.014]
 REN Zhigang,LI Wei,XU Xingquan,et al.Simulation on Propagation Characteristics of UHF Signals of Partial Discharge in Different Voltage Levels GIS[J].High Voltage Apparatus,2019,55(05):88-93.[doi:DOI:10.13296/j.1001-1609.hva.2019.05.014]
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不同电压等级GIS 局部放电UHF 信号传播特性仿真研究()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第55卷
期数:
2019年05期
页码:
88-93
栏目:
研究与分析
出版日期:
2019-05-20

文章信息/Info

Title:
Simulation on Propagation Characteristics of UHF Signals of Partial Discharge in Different Voltage Levels GIS
作者:
任志刚1 李伟1 徐兴全1 王飞2 段大鹏1 唐志国3
(1. ?#26412;?#30005;力科学研究院,?#26412;?00075;2. 国网?#26412;?#22478;区供电公司,?#26412;?00035; 3. 华北电力大学高电压与电磁兼容?#26412;?#24066;重点实验室,?#26412;?02206)
Author(s):
REN Zhigang1LI Wei1XU Xingquan1WANG Fei2DUAN Dapeng1TANG Zhiguo3
(1. Beijing Electric Power Research Institute,Beijing 100075,China;2. State Grid Beijing Urban District Power Supply Company, Beijing 100035,China;3. Beijing Key Laboratory of HV & EMC,North China Electric Power University,Beijing 102206,China)
关键词:
气体绝缘组合电器局部放电特高频衰减CST
Keywords:
gas insulated switchgear(GIS)partial dischargeultra?high frequency(UHF)attenuationCST
DOI:
DOI:10.13296/j.1001-1609.hva.2019.05.014
摘要:
特高频局部放电检测是进行气体绝缘组合电器(gas insulated switchgear,GIS)状态评估的一项重要技 术手段。通过信号注入方式对特高频传感器在GIS上配置的合理性和局放特高频监测系统灵敏度进行校核 是确保状态监测有效实施的重要手段。不同电压等级的GIS结构尺寸不同,对UHF信号的传播和衰减的影 响也不相同,因此所需注入校核信号的幅值也不尽相同。文中根据真实GIS建立110、220、500、1 000 kV 4种 电压等级下的直腔体、L型、T型仿真模型,通过CST仿真软件对比研究并分析了同一结构下不同电压等级的 GIS中UHF信号以及同一电压等级不同结构中UHF信号的传播衰减情况;据此得出了不同电压等级GIS各 ?#20540;?#22411;结构下UHF信号的衰减量,为UHF传感器的配置合理性评价及现场校核信号注入值的确定奠定了基础。
Abstract:
UHF(ultra?high frequency)partial discharge detection is an important technical means for the condition monitoring of GIS,verifying the reasonableness of sensors arrangement and the performance of the monitoring sys? tem by the signal injection is an important means to ensure the effective implementation of condition monitoring. The propagation and attenuation of UHF signals vary with different voltage levels GIS structures,so the injection ampli? tudes of verification pulse are different. In this paper,the simulation models of straight cavity,L type and T type of 110,220,500,1 000 kV GIS are established based on real GIS,comparative study and analysis the attenuationdif? ferences and propagation rules of UHF signals of the same structure of different voltage levels GIS and the same voltage level of different structures through CST simulation software. Based on above,the attenuations of various typical structures of GIS with different voltage levels are obtained. Through this research laid a foundation for the reasonable evaluation of UHF sensors arrangement and the amplitude determination of site verification pulse injection.

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备注/Memo

备注/Memo:
收稿日期:2018?09?21; 修回日期:2018?11?26任志刚(1983—),?#26657;?#30805;士研究生,主要从事带电检测技 术与带电检测仪器校验技术研究工作。
更新日期/Last Update: 2019-05-20
逆水寒帮会倒买倒卖攻略