A. Beltramelli, F. Grassi, G. Spadacini, S. Pignari
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Modeling conducted noise propagation along high-voltage DC power buses for electric vehicle applications
A multiconductor-transmission-line (MTL) model of the high-voltage dc power bus of electric vehicles (composed of two shielded cables running above a metallic ground) is proposed for the prediction of the propagation of conducted electromagnetic noise up to 100 MHz. Model parameters are computed by knowing the geometry of the system and the permittivity of dielectric materials. The proposed model is validated versus measurements. Finally, an approximate lumped-parameter circuit representation is also derived from the general MTL formulation, which is specifically useful for the implementation of the model in a SPICE circuit solver.
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