Numerical Simulation and Optimization Design of Performance Parameters of Internal UHF Sensor in GIS

SHAO Xianjun; ZHU Mingxiao; LIU Jiaqi; HE Wenlin; ZHAN Jiangyang; ZHANG Guanjun

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Numerical Simulation and Optimization Design of Performance Parameters of Internal UHF Sensor in GIS

更新时间：2025-12-08

- Numerical Simulation and Optimization Design of Performance Parameters of Internal UHF Sensor in GIS
- Vol. 46, Issue 1, Pages: 282-291(2020)
- 作者机构：
  
  1. 国网浙江省电力有限公司电力科学研究院
  2. 西安交通大学电力设备电气绝缘国家重点实验室
  3. 中国石油大学(华东)信息与控制工程学院
  4. 国网浙江省电力有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 January 2020，
  
  Published：2020
- 稿件说明：
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SHAO Xianjun, ZHU Mingxiao, LIU Jiaqi, et al. Numerical Simulation and Optimization Design of Performance Parameters of Internal UHF Sensor in GIS[J]. 2020, 46(1): 282-291.
DOI：

SHAO Xianjun, ZHU Mingxiao, LIU Jiaqi, et al. Numerical Simulation and Optimization Design of Performance Parameters of Internal UHF Sensor in GIS[J]. 2020, 46(1): 282-291. DOI：

摘要

为更有效地监测气体绝缘组合电器（gas insulation switchgear

GIS）特高频（ultra-high frequency

UHF）局部放电

针对GIS内置圆盘型UHF传感器开展了优化设计技术研究。首先分别建立了内置UHF传感器GHz横电磁波小室（GHz transverse electromagnetic

GTEM）等效高度和回波损耗参数(S

)的测试仿真模型

考察了传感器安装手孔、结构参数与传感器性能参数的影响关系

并开展了传感器性能的仿真与实测对比研究。结果表明:随着手孔直径的增大

谐振频率逐渐降低;传感器整体等效高度与手孔深度呈反比关系。随着电极直径的增加

最低谐振频率逐渐降低

且电极越薄越有利于UHF信号的接收。最后优化研制了内置传感器

平均等效高度为14.0 mm

与仿真等效高度曲线基本一致

实验结果表明优化后传感器的检测灵敏度优于商用传感器。

Abstract

In order to more effectively monitor the ultra-high frequency（UHF） partial discharge of gas insulated switchgear（GIS）

the design technology of GIS internal disc-type UHF sensors is optimized in this paper. Firstly

the internal UHF sensor simulation models of the GHz transverse electromagnetic（GTEM） equivalent height and the return loss parameter(S

) are built respectively. The influences of hand hole and internal sensor structure parameters on detection performance parameters are studied. The experimental results of sensor performance are compared with simulation results.The results show that

with the increment of the diameter of the hand hole

the resonant frequency decreases gradually.The sensor equivalent height is inversely p

roportional to the hand hole depth. As the increment of electrode diameter

the lowest resonant frequency gradually decreases. And the thinner the electrode is

the more favorable the signal reception of the sensor is. Finally

the optimization internal sensor is designed

and its average equivalent height is 14.0 mm

which is basically consistent with the simulation equivalent height curve. The experimental results show that the detection sensitivity of the optimized sensor is better than that of the commercial sensor.

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