Study on Layout Scheme of the Built-in Ultra-high Frequency Sensors in GIS

DING Ran; NIE Pengfei; LI Yi

doi:10.13296/j.1001-1609.hva.2017.09.013

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Study on Layout Scheme of the Built-in Ultra-high Frequency Sensors in GIS

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- Study on Layout Scheme of the Built-in Ultra-high Frequency Sensors in GIS
- High VoltageApparatus Vol. 53, Issue 9, Pages: 78-84+89(2017)
- 作者机构：
  
  1. 中国矿业大学电气与动力工程学院
  2. 国网江苏省电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.09.013
  CLC： TM595
- Published：2017
- 稿件说明：
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[1]丁然,聂鹏飞,李意.内置式特高频传感器在GIS设备上安装布点方案研究[J].高压电器,2017,53(09):78-84+89.

DING Ran, NIE Pengfei, LI Yi. Study on Layout Scheme of the Built-in Ultra-high Frequency Sensors in GIS[J]. High voltageapparatus, 2017, 53(9): 78-84+89.
[1]丁然,聂鹏飞,李意.内置式特高频传感器在GIS设备上安装布点方案研究[J].高压电器,2017,53(09):78-84+89. DOI： 10.13296/j.1001-1609.hva.2017.09.013.

DING Ran, NIE Pengfei, LI Yi. Study on Layout Scheme of the Built-in Ultra-high Frequency Sensors in GIS[J]. High voltageapparatus, 2017, 53(9): 78-84+89. DOI： 10.13296/j.1001-1609.hva.2017.09.013.

摘要

在气体绝缘金属封闭开关设备（GIS）中安装内置式特高频传感器（UHFS）

虽然可有效检测局部放电

但受GIS结构的影响

局部放电激励的电磁波信号传播至内置UHFS时

其波形与幅值等参数都发生变化

从而增加了对GIS局部放电进行评估的复杂性。为解决此问题

通过Ansys仿真研究局部放电产生的特高频电磁波在GIS典型结构中传播特性

包括电磁波信号与局部放电源的关系特性、电磁波信号与检测点角度之间的关系特性及电磁波信号在GIS各部件中的传播特性等

提出内置式UHFS在GIS设备上的安装布点原则

并最终在实际工程中进行了试点应用

应用结果表明了该布点方案的合理性及有效性。

Abstract

The built-in ultra-high frequency sensors（UHFS） installed in GIS can effectively detect the partial discharge signal. However

the assessment of GIS partial discharge becomes complicated due to the influence of GIS structure on the amplitude and phase of the electromagnetic signal generated by GIS partial discharge. In order to solve this problem

Ansys simulation of the propagation characteristics of UHF electromagnetic wave in typical structures of GIS is conducted in this study

including the relationship between the electromagnetic signals and the partial discharge

the relationship between the electromagnetic signals and the angle of the detection points

and the propagation characteristics of the electromagnetic signal in each component of GIS

thus the layout principle of the built-in UHFS is proposed. The feasibility and validity of the proposed sensor layout scheme is demonstrated by a pilot application in engineering.

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