Simulation Research on the Property of the Internal Disc-type UHF Coupler Used in GIS

XU Yang; LIU Weidong; GAO Wensheng

doi:10.13296/j.1001-1609.hva.2020.08.012

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Simulation Research on the Property of the Internal Disc-type UHF Coupler Used in GIS

更新时间：2025-04-26

- Simulation Research on the Property of the Internal Disc-type UHF Coupler Used in GIS
- High VoltageApparatus Vol. 56, Issue 8, Pages: 73-79(2020)
- 作者机构：
  
  1. 国网苏州供电公司
  2. 清华大学电机系电力系统及发电设备控制与仿真国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.08.012
  CLC： TM855;TP212
- Published：2020
- 稿件说明：
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[1]徐洋,刘卫东,高文胜.GIS内置碟形特高频传感器特性的仿真研究[J].高压电器,2020,56(08):73-79.

XU Yang, LIU Weidong, GAO Wensheng. Simulation Research on the Property of the Internal Disc-type UHF Coupler Used in GIS[J]. High voltageapparatus, 2020, 56(8): 73-79.
[1]徐洋,刘卫东,高文胜.GIS内置碟形特高频传感器特性的仿真研究[J].高压电器,2020,56(08):73-79. DOI： 10.13296/j.1001-1609.hva.2020.08.012.

XU Yang, LIU Weidong, GAO Wensheng. Simulation Research on the Property of the Internal Disc-type UHF Coupler Used in GIS[J]. High voltageapparatus, 2020, 56(8): 73-79. DOI： 10.13296/j.1001-1609.hva.2020.08.012.

摘要

特高频局部放电检测是现阶段电力设备现场检测的常用手段

而特高频传感器的灵敏度和频带特性对于其使用效果具有重要的影响。文中使用时域有限差分（FDTD）方法对GIS内置式碟形特高频传感器的特性进行了研究

分析了特高频信号从激发、传播、接收到最终输出这一系列过程中的模态转化和信号衰减情况

并考虑了碟形传感器的形状参数对其测量效果的影响。研究结果对于内置式特高频传感器在GIS设备上的合理布置

以及传感器的优化设计具有重要的意义。

Abstract

The ultra-high frequency（UHF）method for partial discharge（PD）detection is widely used in the conditionmonitoring and diagnosis of power equipment nowadays

and its effect is significantly influenced by the sensitivityand frequency response of the UHF coupler. In this paper

the characteristics of the internal disc-type UHF couplerused in GIS apparatus is investigated using the finite-different time-domain（FDTD）method. The transformation ofthe modes and the attenuation of the intensity is analyzed during the progress when the UHF signal is induced

propa-gating

received

and finally output by the UHF coupler. Meanwhile

the influence of the dimension parameters tothe measuring effect of the UHF coupler is considered. The results of the investigation will make remarkable sense tothe optimal design of the UHF coupler

as well as its reasonable arrangement in GIS apparatus.

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Related Author

LI Da-jian1

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Related Institution

School of Electrical Engineering, Xi’an Jiaotong University

Measurement Center of Haidong Supply Company

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Shandong University of Technology

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