Reduced model for disturbance analysis of cable bundles

This paper presents a SPICE modeling method which combines the equivalent cable bundle method (ECBM) with the time-domain transmission line method. The parameters of the cable bundles are obtained by the finite element method. And the completed model and the reduced model are analyzed in SPICE. The computational efficiency of the models analyzing in time domain is enhanced by above 50%, compared with that for the traditional methods of frequency domain. The computation time and the memory required are greatly saved. Two numerical examples are adopted to validate the proposed model, and the results are in good agreement. The computational error is limited in 5%.The proposed method is suit for the analysis of the conducted coupling, crosstalk and radiated coupling of the cable bundles.