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[Keyword] conducted susceptibility(1hit)

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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  

     
    PAPER

      Vol:
    E98-B No:7
      Page(s):
    1212-1219

    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.