Measurement and Analysis of the Radiated Electric Field Excited by Switching Operation of 330 kV GIS

GUO Fei; KONG Xu; WU Xutao; GUO Jun; LIU Qing; FINIZIO A F; XIE Yanzhao

doi:10.13296/j.1001-1609.hva.2014.09.021

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Measurement and Analysis of the Radiated Electric Field Excited by Switching Operation of 330 kV GIS

更新时间：2025-04-26

- Measurement and Analysis of the Radiated Electric Field Excited by Switching Operation of 330 kV GIS
- High VoltageApparatus Vol. 50, Issue 9, Pages: 119-125(2014)
- 作者机构：
  
  1. 西安交通大学电气工程学院电力设备电气绝缘国家重点实验室
  2. 国网宁夏电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.09.021
  CLC： TM595
- Published：2014
- 稿件说明：
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[1]郭飞,孔旭,吴旭涛,郭俊,刘青,AINIZIO A F,谢彦召.330kV超高压GIS开关动作VFTO辐射电场的测量与分析[J].高压电器,2014,50(09):119-125.

GUO Fei, KONG Xu, WU Xutao, et al. Measurement and Analysis of the Radiated Electric Field Excited by Switching Operation of 330 kV GIS[J]. High voltageapparatus, 2014, 50(9): 119-125.
[1]郭飞,孔旭,吴旭涛,郭俊,刘青,AINIZIO A F,谢彦召.330kV超高压GIS开关动作VFTO辐射电场的测量与分析[J].高压电器,2014,50(09):119-125. DOI： 10.13296/j.1001-1609.hva.2014.09.021.

GUO Fei, KONG Xu, WU Xutao, et al. Measurement and Analysis of the Radiated Electric Field Excited by Switching Operation of 330 kV GIS[J]. High voltageapparatus, 2014, 50(9): 119-125. DOI： 10.13296/j.1001-1609.hva.2014.09.021.

摘要

笔者对GIS断路器与隔离开关动作时所产生的VFTO辐射场进行了测量与分析。首先研制了一套基于光纤传输的VFTO辐射电场测量系统

并对该测量系统进行了标定实验

结果显示该测量系统具有响应频带宽、抗干扰能力强和传输距离远的特点。然后选取了典型的330 kV超高压GIS变电站

应用光纤测量系统对其开关正常动作时所引发的VFTO辐射场信号进行了测量。比较了断路器与隔离开关动作所产生的VFTO辐射场之间的差异

分析了差异产生的机理。同时也比较分析了相同开关的不同操作所产生VFTO辐射场之间的差异和机理。结论显示开关电弧放电位置与其引起的辐射场信号的频谱幅值分布具有紧密的联系。文中的研究成果对GIS变电站的在线监测提供了测量手段与依据。

Abstract

To realize on-line monitoring of GIS

the radiation field

excited by very fast transient overvoltage（VFTO）during the operation of the breakers and the disconnecting switches

was measured and analyzed. First

a measuring system for the radiation field excited by VFTO was developed

and calibration results show that this measuring system has the features of anti-interference and wide-band response. Second

the system was applied to measure the radiation field excited by VFTO in a 330 kV GIS

and the results indicate that there is a significant difference between the radiation fields due to the operations of breaker and disconnecting switch. Even for same switch

different operation causes different radiation field. Analysis reveals a close relation between the discharge position and the energy distribution of the discharge-induced frequency spectrum.

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