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引用次数: 8
摘要
本文研究了用于快速瞬变(EFT)抗扰度测试的电容耦合钳的全波特性,对标称信号注入干扰。利用基于有限积分技术的软件工具MicroWave Studio (MWS)进行分析。通过与测量结果和SPICE计算结果的比较,验证了模型的正确性。全波模型用于研究EFT注入钳校准设置,例如IEC 61000-4-4新版本(即第三版)的“6.4.2电容耦合钳的校准”一节中提出的设置。
Full-wave investigation of EFT injection clamp calibration setup
The paper deals with a full-wave investigation of the capacitive coupling clamp that is used in electrical fast transient (EFT) immunity test to inject disturbances to nominal signals. The analysis is performed by using the software tool MicroWave Studio (MWS) based on the finite integration technique. The model of the injection clamp is validated by comparison with measurements and with the results obtained by SPICE. The full-wave model is used to investigate EFT injection clamp calibration setup, such as that proposed in section “6.4.2 Calibration of the capacitive coupling clamp” of the IEC 61000-4-4 new Edition (i.e., the 3rd).