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A generalized MoM-SPICE iterative technique for field coupling to multiconductor transmission lines in presence of complex structures

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2 Author(s)
Bayram, Y. ; ElectroSci. Lab., Ohio State Univ., Columbus, OH, USA ; Volakis, J.L.

A generalized method of moments (MoM)-SPICE iterative technique for field coupling analysis of multiconductor transmission lines (MTLs) in the vicinity of complex structures is presented. Telegrapher's coupling equations are modified with additional distributed voltage and current sources for more accurate analysis of the total current induced onto transmission line bundles in the presence of complex structures. These additional voltage and current sources are introduced to enforce the electric field boundary condition and continuity equation on MTLs beyond the quasi-static regime. The surrounding structure is modeled via the MoM and a SPICE-like simulator is used to simulate equivalent circuit model of the MTLs extracted via the partial element equivalent circuit method. The proposed technique is based on perturbation theory with the quasi-static current distributions on the transmission lines still assumed to be dominant. Validation examples for single and MTLs are given in the presence of complex structures.

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Electromagnetic Compatibility, IEEE Transactions on  (Volume:47 ,  Issue: 2 )