[1]金光耀,何嘉希,裴涛,等.3/2接线方式变电站中抑制VFTO磁环的推荐安装位置[J].高压电器,2019,55(04):11-17.[doi:10.13296/j.1001-1609.hva.2019.04.002]
 JIN Guangyao,HE Jiaxi,PEI Tao,et al.Recommended Mounting Position of Ferrite Ring for Suppressing VFTO in 3/2 Wiring?mode Substations[J].High Voltage Apparatus,2019,55(04):11-17.[doi:10.13296/j.1001-1609.hva.2019.04.002]
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3/2接线方式变电站中抑制VFTO磁环的推荐安装位置()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第55卷
期数:
2019年04期
页码:
11-17
栏目:
研究与分析
出版日期:
2019-04-15

文章信息/Info

Title:
Recommended Mounting Position of Ferrite Ring for Suppressing VFTO in 3/2 Wiring?mode Substations
文章编号:
0011-0017
作者:
金光耀1 何嘉希2 裴涛1 刘卫东2 杜丽平1
1. 平高集团有限公司,河南平顶山467001;2. 清华大学,北京100084)
Author(s):
JIN Guangyao1HE Jiaxi2PEI Tao1LIU Weidong2DU Liping1
1. Pinggao Group Co.,Ltd.,Henan Pingdingshan 467001,China;2. Tsinghua University,Beijing 100084,China)
关键词:
特高压(UHV)气体绝缘组合电器(GIS)特快速暂态过电压(VFTO)抑制铁氧体磁环负反射系数
Keywords:
ultra high voltage(UHV)gas?insulated switchgear(GIS)very fast transient overvoltage(VFTO) suppressionferrite ringnegative reflection coefficient
DOI:
10.13296/j.1001-1609.hva.2019.04.002
摘要:
铁氧体磁环作为一种结构紧凑、成本较低的新型VFTO抑制手段受到关注,但现有研究结果尚不足以 支撑其进入工程应用。文中针对磁环的应用场合与安装位置展开研究;研究了VFTO幅值与回路负反射系 数的关系;定量分析GIS回路中不同部件和结构的负反射系数;明确了3/2接线方式变电站中可能产生高幅 值VFTO的一种结构和操作方式:即构成双端开路对称T形结构。研究发现磁环的主要适用场合为抑制双 端开路对称T形结构,给出了磁环的推荐安装位置。且针对磁环抑制特高压GIS中VFTO的应用方式、抑制 效果和仿真方法也进行了一定的研究。
Abstract:
The ferrite ring,as a potential new mitigation method,is of interest to UHV grid operators for its simple structure and competitive cost. However,the current knowledge of the new method is far from mature for practical application. This dissertation conducted researches on the application conditions and installation location of ferrite rings. The relationship between the VFTO amplitude and negative reflection coefficient of the circuit is studied, and the negative reflection coefficient of different components and structures in the GIS circuit is quantitatively ana? lyzed,a structure in 3/2 wiring?mode substation and operation mode which may produce high?amplitude VFTO is clarified,i.e.: symmetrical T?shaped structure constituting both?side open circuit. It is found that the main applica? tion of the ferrite ring is to suppress the symmetrical T?shaped structure of both?side open circuit,and recommend? ed mounting position of the ferrite ring is given.

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备注/Memo

备注/Memo:
收稿日期:2018?08?20; 修回日期:2018?10?25; 金光耀(1963—),男,工程师,主要从事高压电器新技术 应用研究。页码:17+24
更新日期/Last Update: 2019-04-16