Transmission Line Model of Field-to-Wire Coupling with Transmission Line Cables From Near and Far Field Sources
2021
In this paper, a transmission line model is established to describe the electromagnetic wave coupling with transmission line cables from far and near fields. The far-field is described by a plane wave, whereas the near field is considered to be generated by a dipole antenna. Consequently, the affecting electric field due to the plane waves and electric dipole antenna are formulated analytically. In addition, a general expression for the current and voltage at both ends of the transmission line are presented. The model is used to fast calculate the induced common mode and differential mode currents at the cable terminals when the cable is exposed to electromagnetic interference from far and near fields. The results of the proposed analytical model are compared with those of commercial software FEKO, and good agreements are obtained.
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