电动汽车牵引逆变器混合共模EMI滤波器设计

Q1 Engineering

Chinese Journal of Electrical Engineering Pub Date : 2022-12-01 DOI:10.23919/CJEE.2022.000038

Yongjie Han;Zhihong Wu;Deliang Wu

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引用次数: 3

摘要

分析和设计了一种用于抑制大功率电动汽车牵引逆变器直流侧共模电磁干扰的前馈电流感应电流补偿有源EMI滤波器。在对CSCC AEF进行分析的基础上，对CSCC AEF的拓扑结构及其实现进行了详细的公式设计。前馈有源滤波级是用一个简单的电流互感器和一个小电路板实现的。高频噪声衰减只需要一个小的高谐振频率的无源滤波器。仿真结果和实验结果验证了该滤波器的有效性。

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Hybrid Common-mode EMI Filter Design for Electric Vehicle Traction Inverters

A feedforward current-sense current-compensation (CSCC) active EMI filter (AEF) for the direct current-side common-mode (CM) electromagnetic interference (EMI) suppression of high-power electric vehicle traction inverters is analyzed and designed. A detailed design of the components with formulas is provided based on an analysis of the CSCC AEF, including the CSCC AEF topology and its implementation. The feedforward active filter stage was implemented using a simple current transformer and a small circuit board. Only a small passive filter with a high resonant frequency is required for high-frequency noise attenuation. The filter's effectiveness was validated using the simulation results and experimental measurements.

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