通过分析场线耦合所产生的差模电流与共模电流的差异,结合国内外的发展状况,研究了电磁场对平行双线的共模耦合模型;通过数值仿真,深入分析了共模电流随频率、位置等因素的变化规律;并进一步开展了实验研究,验证了数值结果的可靠性。本文的研究成果可为电磁兼容性工程设计提供参考。 By analyzing the difference between the differential mode current and the common mode current generated by the field-line coupling, the common-mode coupling model of the electromagnetic field to the parallel two-wire is studied in the light of the development at home and abroad. By numerical simulation, Location and other factors; and further experimental study to verify the reliability of the numerical results. The research results of this paper can provide reference for EMC design.