Abstractud—In this paper a new methodology for the predictionudof the conducted-emission propagation in an in-house power-udline network is presented. This methodology is based on theudmodaludSud-parameter characterization of the devices present in theudpower-line network, as well as on the modal modeling of branch-udline connections. The modaludSudparameters relate common- anduddiudffuderential-mode waves, and give more information regardingudinterference propagation. With this methodology, common- anduddiudffuderential-mode attenuations, and modal conversion betweenudcommon and diudffuderential modes can be accurately predicted,udwhich is of great interest for power-line communication devel-udopment and conducted-emission mitigation. This methodology isudtested by accurately predicting the interference levels up to 100udMHz of an in-house power-line network composed by thermal-udmagnetic circuit breakers, residual-current circuit breakers,udsingle-phase wires and light bulbs.
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