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屏蔽层对双差模线缆回路电磁串扰的影响

彭宁 杨勇 张明 饶波 张正卿

彭宁, 杨勇, 张明, 等. 屏蔽层对双差模线缆回路电磁串扰的影响[J]. 强激光与粒子束, 2025, 37: 035016. doi: 10.11884/HPLPB202537.240258
引用本文: 彭宁, 杨勇, 张明, 等. 屏蔽层对双差模线缆回路电磁串扰的影响[J]. 强激光与粒子束, 2025, 37: 035016. doi: 10.11884/HPLPB202537.240258
Peng Ning, Yang Yong, Zhang Ming, et al. Effect of shielding on electromagnetic crosstalk in double differential mode cable loop[J]. High Power Laser and Particle Beams, 2025, 37: 035016. doi: 10.11884/HPLPB202537.240258
Citation: Peng Ning, Yang Yong, Zhang Ming, et al. Effect of shielding on electromagnetic crosstalk in double differential mode cable loop[J]. High Power Laser and Particle Beams, 2025, 37: 035016. doi: 10.11884/HPLPB202537.240258

屏蔽层对双差模线缆回路电磁串扰的影响

doi: 10.11884/HPLPB202537.240258
基金项目: 国家自然科学基金项目(62201217、51821005); 国家重点研发计划项目(2017YFE0301803)
详细信息
    作者简介:

    彭 宁,m202272082@hust.edu.cn

    通讯作者:

    张正卿,zhangzhengq219@163.com

  • 中图分类号: TM552

Effect of shielding on electromagnetic crosstalk in double differential mode cable loop

  • 摘要: 屏蔽层在抑制电磁干扰应用中被广泛使用,但目前少有研究聚焦于屏蔽层对独立的功率回路与信号回路构成的双差模回路间电磁串扰的影响。提出了一种基于多导体传输线理论的双差模带屏蔽线缆回路间的串扰分析模型。该方法首先建立了多导体系统单位长度等效电路模型,然后利用有限差分的思想并依据基尔霍夫电压定律和电流定律列写出系统的传输线方程组,最后求解得到串扰结果。将计算结果与CST软件仿真结果进行对比,验证了该模型和计算方法的可行性与有效性。对感性耦合和容性耦合进行单独计算,研究了屏蔽层对线缆间串扰的影响,得到了抑制串扰的方法,可为实际应用中电缆选型以及屏蔽层接地方式的选择提供指导。
  • 图  1  无屏蔽功率电缆-带屏蔽信号电缆系统线缆分布示意图

    Figure  1.  Diagram of cable distribution for unshielded power cables and shielded signal cables system

    图  2  无屏蔽功率电缆-带屏蔽信号电缆的七导体传输线系统等效电路模型

    Figure  2.  Equivalent circuit model of a seven-conductor transmission line system for the unshielded power cables and shielded signal cables system

    图  3  无屏蔽功率电缆-带屏蔽信号电缆系统的线缆截面分布

    Figure  3.  Distribution of cable cross sections for the unshielded power cables and shielded signal cables system

    图  4  无屏蔽功率电缆-带屏蔽信号电缆系统MATLAB与CST仿真结果对比

    Figure  4.  Comparison of MATLAB and CST simulation results for the unshielded power cables and shielded signal cables system

    图  5  无屏蔽功率电缆-带屏蔽信号电缆系统不同屏蔽层接地方式下的感性和容性耦合系数

    Figure  5.  Inductive and capacitive coupling coefficients for the unshielded power cables and shielded signal cable system under different shield grounding methods

    图  6  无屏蔽功率电缆-带屏蔽信号电缆系统不同屏蔽层接地方式下的总串扰

    Figure  6.  Total crosstalk for the unshielded power cables and shielded signal cable system under different shield grounding methods

    图  7  带屏蔽功率电缆-无屏蔽信号电缆的七导体传输线系统分布示意图

    Figure  7.  Distribution of the seven-conductor transmission line system for a shielded power cables and unshielded signal cables system

    图  8  带屏蔽功率电缆-无屏蔽信号电缆系统MATLAB 与CST仿真结果对比

    Figure  8.  Comparison of MATLAB and CST simulation results for the shielded power cables and unshielded signal cables system

    图  9  带屏蔽功率电缆-无屏蔽信号电缆系统不同屏蔽层接地方式下的感性和容性耦合系数

    Figure  9.  Inductive and capacitive coupling coefficients for the shielded power cables and unshielded signal cables system under different shield grounding methods

    图  10  带屏蔽功率电缆-无屏蔽信号电缆系统不同屏蔽层接地方式下的总串扰

    Figure  10.  Total crosstalk for a shielded power cables and unshielded signal cables system under different shield grounding methods

    图  11  带屏蔽功率电缆-带屏蔽信号电缆的九导体传输线系统分布示意图

    Figure  11.  Distribution of the seven-conductor transmission line system for the shielded power cables and shielded signal cables system

    图  12  带屏蔽功率电缆-带屏蔽信号电缆系统MATLAB与CST仿真结果对比

    Figure  12.  Comparison of MATLAB and CST simulation results for the shielded power cables and shielded signal cables system

    图  13  带屏蔽功率电缆-带屏蔽信号电缆系统不同屏蔽层接地组合方式下的串扰

    Figure  13.  Crosstalk for the shielded power cables and shielded signal cables system under different shield grounding methods

    图  14  不同双差模屏蔽线缆回路的串扰对比

    Figure  14.  Crosstalk comparison of different double differential mode shielded cable loops

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    Peng Ning, Yang Yong, Zhang Ming, et al. Research on electromagnetic crosstalk in double differential mode unshielded cable loop[J]. High Power Laser and Particle Beams, 2024, 36: 025017 doi: 10.11884/HPLPB202436.230228
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出版历程
  • 收稿日期:  2024-08-12
  • 修回日期:  2025-02-21
  • 录用日期:  2025-02-21
  • 网络出版日期:  2025-03-06
  • 刊出日期:  2025-03-15

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