Visualization of dynamic noise current distribution from Si and SiC power devices based on time-synchronized near magnetic field scanning

T. Ibuchi, T. Funaki
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Abstract

This report studies the visualization of dynamic noise current distribution in switching operation of Si and SiC power devices. The measurement system is developed to identify time-dependent near magnetic field distribution for periodic steady state circuit operation. The experimental results shown in this report demonstrate the usefulness of the developed system to identify the EMI noise generation and to visualize the time variation of noise current distribution in the power conversion circuit.
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基于时间同步近磁场扫描的Si和SiC功率器件动态噪声电流分布可视化
本文研究了硅和碳化硅功率器件开关工作中动态噪声电流分布的可视化。该测量系统用于识别周期性稳态电路运行时的随时间变化的近磁场分布。本报告的实验结果表明,所开发的系统在识别电磁干扰噪声的产生和可视化功率转换电路中噪声电流分布的时间变化方面是有用的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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