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双差模非屏蔽线缆回路的电磁串扰研究

彭宁 杨勇 张明 饶波 张正卿

彭宁, 杨勇, 张明, 等. 双差模非屏蔽线缆回路的电磁串扰研究[J]. 强激光与粒子束, 2024, 36: 025017. doi: 10.11884/HPLPB202436.230228
引用本文: 彭宁, 杨勇, 张明, 等. 双差模非屏蔽线缆回路的电磁串扰研究[J]. 强激光与粒子束, 2024, 36: 025017. doi: 10.11884/HPLPB202436.230228
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
Citation: 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

双差模非屏蔽线缆回路的电磁串扰研究

doi: 10.11884/HPLPB202436.230228
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,2434324799@qq.com

    通讯作者:

    张正卿,zhangzhengq219@163.com

  • 中图分类号: TM552

Research on electromagnetic crosstalk in double differential mode unshielded cable loop

  • 摘要: 随着电气化的发展,电气与电子系统中的电磁兼容问题越来越被重视,为了消除或抑制电磁耦合的影响,实现设备或元件电磁兼容的工作,有必要对线缆间的串扰进行研究。但目前少有相关研究关注独立的发射回路与接收回路构成的双差模回路间的电磁串扰问题。提出了一种基于多导体传输线理论的五导体传输线模型,并基于此研究了双差模非屏蔽线缆回路间的串扰问题。该方法根据耦合机理,首先建立单位长度五导体传输线等效模型,然后根据有限差分的方法列写基尔霍夫方程组,最后补充边界条件后求解得到串扰的频域解。将串扰计算结果与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,经计算分别研究了感性耦合与容性耦合,分析得到了不同因素对线束间串扰的影响规律,可为实际工程中采取措施抑制线缆间串扰提供指导,体现出该模型的先进性。
  • 图  1  五导体传输线系统线缆分布示意图

    Figure  1.  Diagram of cable distribution in five-conductor transmission line system

    图  2  五导体传输线系统等效电路模型

    Figure  2.  Equivalent circuit model of a five-conductor transmission line system

    图  3  五导体传输线系统的离散模型

    Figure  3.  Discrete model of a five-conductor transmission line system

    图  4  五导体传输线系统线缆的截面分布

    Figure  4.  Cross-sectional distribution of cables for a five-conductor transmission line system

    图  5  MATLAB与CST仿真结果对比

    Figure  5.  Comparison of MATLAB and CST simulation results

    图  6  不同功率回路负载电阻下的串扰系数

    Figure  6.  Crosstalk coefficients at different power circuit load resistance

    图  7  不同电缆距地高度的串扰系数

    Figure  7.  Crosstalk coefficient at different cable height

    图  8  不同信号电缆间距离的串扰系数

    Figure  8.  Crosstalk coefficient at different distance between signal cables

    图  9  不同功率电缆间距离的串扰系数

    Figure  9.  Crosstalk coefficient at different distance between power cables

    图  10  不同功率回路与信号回路间距的串扰系数

    Figure  10.  Crosstalk coefficient at different spacing between power loop and signal loop

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  • 被引次数: 0
出版历程
  • 收稿日期:  2023-07-25
  • 修回日期:  2023-09-24
  • 录用日期:  2023-09-24
  • 网络出版日期:  2023-10-09
  • 刊出日期:  2024-01-12

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