三相整流器电磁干扰分析与预测

2011 International Conference on Control, Automation and Systems Engineering (CASE) Pub Date : 2011-07-30 DOI:10.1109/ICCASE.2011.5997631

Chen-Hu Yuan, Kai Yang, Xiuyan Li, Wei Wang

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引用次数: 4

摘要

随着电力电子设备的广泛应用，电力电子设备中的电磁干扰问题日益突出。三相整流器作为电力电子设备的重要组成部分，其相开关产生的电磁干扰不仅影响其所连接设备的正常运行，而且还会污染公共电网系统。详细分析了三相整流器交流和直流时的电磁干扰。建立了三相整流器交流和直流电磁干扰等效电路模型，推导了电磁干扰在S域的数学描述。利用MATLAB对三相整流器中电磁干扰的预测频谱进行了编程，为电磁干扰滤波器的设计提供了理论依据

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Analysis and Prediction of EMI in Three-Phase Rectifier

EMI problems in power electronics equipment keeps on increasing when power electronics device widely used. As the important component of power electronics equipment, EMI caused by phase switching in three-phase rectifier not only affected normal operation of its connected equipment but also polluted public grid system. EMI in AC and DC of three-phase rectifier were analyzed in detail. The equivalent circuit models of EMI in AC and DC of three-phase rectifier were built and the mathematics description in S domain of EMI was deduced. And the prediction frequency spectrum of EMI in three-phase rectifier was programmed by MATLAB, which could provide theoretical basis for design of EMI filters

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2011 International Conference on Control, Automation and Systems Engineering (CASE)

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