ISO 11452-4:2011中 TWC法与BCI法的比对研究
Comparative Study on TWC method and BCI method per ISO11452-4:2011
摘要 针对ISO 11452-4:2011 中规定的管状电波耦合器(TWC)法和大电流注入(BCI)法,在试验设置、校准方法、干扰强度等多方面进行比对研究。以车载LED 灯作为模拟试验样品,对两种方法的试验效果进行比对分析,得出了TWC 法在400 MHz 以上干扰效率较高的技术结论。最后给出了有关TWC 法和BCI 法适用范围的合理建议。
关键词 射频抗扰度;线束激励;管状电波耦合器;大电流注入;ISO 11452-4
Abstract Study and analysis was made on the international standard ISO 11452-4:2011. Comparative study was focused on the TWC method and BCI method based on the
standard, with respect to the test setup, calibration method, immunity test level ect. A
vehicle LED lamp was used as a dummy sample to perform comparative analyze on the
interference effectiveness of the two different methods. A conclusion was drawn that
TWC method is more effective at the frequencies above 400MHz. And finally,a technical
suggestion was given for the appropriate application range of TWC and BCI method.
Keywords RF immunity;harness excitation;tubular wave coupler;bulk current injection;
ISO 11452-4
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