Investigation into Electromagnetic Shielding Effectiveness of Intelligent Measurement and Control Device in Substation

XIN Weifeng; ZHANG Guogang; ZHANG Shaofeng; YUAN Weiguang; GENG Yingsan

doi:10.13296/j.1001-1609.hva.2016.05.001

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Investigation into Electromagnetic Shielding Effectiveness of Intelligent Measurement and Control Device in Substation

更新时间：2025-04-26

- Investigation into Electromagnetic Shielding Effectiveness of Intelligent Measurement and Control Device in Substation
- High VoltageApparatus Vol. 52, Issue 5, Pages: 1-6(2016)
- 作者机构：
  
  1. 西安交通大学电力设备电气绝缘国家重点实验室
  2. 河南省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.2016.05.001
  CLC： TM63
- Published：2016
- 稿件说明：
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[1]辛伟峰,张国钢,张少峰,袁伟光,耿英三.变电站智能测控装置电磁屏蔽效能的研究[J].高压电器,2016,52(05):1-6.

XIN Weifeng, ZHANG Guogang, ZHANG Shaofeng, et al. Investigation into Electromagnetic Shielding Effectiveness of Intelligent Measurement and Control Device in Substation[J]. High voltageapparatus, 2016, 52(5): 1-6.
[1]辛伟峰,张国钢,张少峰,袁伟光,耿英三.变电站智能测控装置电磁屏蔽效能的研究[J].高压电器,2016,52(05):1-6. DOI： 10.13296/j.1001-1609.hva.2016.05.001.

XIN Weifeng, ZHANG Guogang, ZHANG Shaofeng, et al. Investigation into Electromagnetic Shielding Effectiveness of Intelligent Measurement and Control Device in Substation[J]. High voltageapparatus, 2016, 52(5): 1-6. DOI： 10.13296/j.1001-1609.hva.2016.05.001.

摘要

随着变电站中设备智能化水平的提高

智能电子设备（IED）获得了广泛应用

其所处的电磁环境越来越恶劣。提高智能电子设备的抗电磁干扰能力

对保证智能变电站的可靠、安全运行有着十分重要的意义。笔者针对某型GIS智能测控装置机箱进行屏蔽效能分析。采用有限元方法进行全波、三维电磁场的仿真建模

分析了平面电磁波不同入射方向、不同极化方向以及PCB板铺地与否等条件下机箱内部的电磁场分布特征和屏蔽效能

并通过GETM小室的测试实验对仿真方法进行了验证

为进一步研究如何提高智能测控装置的抗干扰能力提供了理论和实践依据。

Abstract

To enhance the anti-electromagnetic interference capability of intelligent electronic devices in a substation

the shielding effectiveness of an intelligent measurement and control device was analyzed. The finite element method was adopted to establish a 3D full-wave electromagnetic field model for simulation of the electromagnetic field distribution in the device box. Accordingly

the shielding effectiveness was analyzed in the case of different incident directions and polarization directions of the plane electromagnetic waves

and the PCB board connecting to ground or not. Moreover

the simulation method was verified by experiment in a gigahertz transverse electromagnetic（GTEM） cell. This study may provide theoretical and practical bases for further improving the anti-jamming capability of the intelligent measurement and control device.

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