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Modeling of Bulk Current Injection Setup for Automotive Immunity Test Using Electromagnetic Analysis
Yosuke KONDO Masato IZUMICHI Kei SHIMAKURA Osami WADA
IEICE TRANSACTIONS on Communications
Publication Date: 2015/07/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Special Section on Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'14/Tokyo)
conducted susceptibility, bulk current injection, S-parameter, electromagnetic analysis,
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This paper provides a method based on electromagnetic (EM) analysis to predict conducted currents in the bulk current injection (BCI) test system for automotive components. The BCI test system is comprised of an injection probe, equipment under test (EUT), line impedance stabilization networks (LISNs), wires and an electric load. All components are modeled in full-wave EM analysis. The EM model of the injection probe enables us to handle multi wires. By using the transmission line theory, the BCI setup model is divided into several parts in order to reduce the calculation time. The proposed method is applied to an actual BCI setup of an automotive component and the simulated common mode currents at the input terminals of EUT have a good accuracy in the frequency range of 1-400MHz. The model separation reduces the calculation time to only several hours.