Electromagnetic Leakage Defense Method for Smart Grid Terminals Based on Noise Interference

LONG Yanbo; QIAO Hong; WANG Kaiyi; XIAO Jian; LIU Shuai

doi:10.3969/j.issn.1008-0198.2025.04.019

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Electromagnetic Leakage Defense Method for Smart Grid Terminals Based on Noise Interference

更新时间：2025-12-08

- Electromagnetic Leakage Defense Method for Smart Grid Terminals Based on Noise Interference
- Vol. 45, Issue 4, Pages: 133-142(2025)
- 作者机构：
  
  1. 国网湖南省电力有限公司电力科学研究院,湖南,长沙,410208
  2. 湖南省电力多模态感知与边缘智能工程技术研究中心,湖南,长沙,410208
  3. 湖南大学信息科学与工程学院,湖南,长沙,410007
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1008-0198.2025.04.019
  CLC： TM727
- Published Online：05 September 2025，
  
  Published：05 September 2025
- 稿件说明：
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龙彦伯, 乔宏, 王剀艺, 肖剑, 刘帅. 基于噪声干扰的智能电网终端电磁泄漏防御方法[J]. 湖南电力, 2025, 45(4): 133-142.

LONG Yanbo, QIAO Hong, WANG Kaiyi, et al. Electromagnetic Leakage Defense Method for Smart Grid Terminals Based on Noise Interference[J]. 2025, 45(4): 133-142.
龙彦伯, 乔宏, 王剀艺, 肖剑, 刘帅. 基于噪声干扰的智能电网终端电磁泄漏防御方法[J]. 湖南电力, 2025, 45(4): 133-142. DOI： 10.3969/j.issn.1008-0198.2025.04.019.

LONG Yanbo, QIAO Hong, WANG Kaiyi, et al. Electromagnetic Leakage Defense Method for Smart Grid Terminals Based on Noise Interference[J]. 2025, 45(4): 133-142. DOI： 10.3969/j.issn.1008-0198.2025.04.019.

摘要

针对智能电网终端可能存在的电磁泄漏漏洞

系统分析智能电网终端电磁泄漏的机理与传播路径

指出人体作为导体形成共模耦合是电磁信号泄漏的主要途径。针对传统防御方法在智能电网终端场景下的局限性

提出基于噪声干扰的防御方法

设计一种通过静电手环向人体注入随机频率(100 Hz以下)、随机幅度(1~3 V)干扰信号的装置。实验结果表明

所提出的防御方法能够有效降低电磁侧信号的泄漏

尤其在配电自动化应用中可提升智能电网终端敏感操作过程的安全性。

Abstract

For potential electromagnetic leakage vulnerabilities in smart grid terminals

the mechanism and propagation path of electromagnetic leakage in smart grid terminal are systematically analyzed

revealing that the human body as a conductor forms common-mode coupling

which is the main channel for electromagnetic signal leakage. In view of the limitations of traditional defense methods in smart grid terminal scenarios

a defense method based on noise interference is proposed. A device is designed to inject random-frequency (below 100 Hz) and random-amplitude (1~3 V) interference signals into the human body through an electrostatic wristband. Experimental results show that the proposed defense method can effectively reduce information leakage via electromagnetic side channels

enhance the security of sensitive operation process in smart grid terminals (especially in distribution automation applications) and offer a new technical idea for the construction of information security protection systems in new power systems.

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references

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