GaN基开关电源变换器共模电磁干扰的建模与预测

IF 1.6 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of electromagnetic engineering and science Pub Date : 2023-05-31 DOI:10.26866/jees.2023.3.r.163

Chuang Bi, Heyang Shan, Kai Gao, Shaojing Wang, Peng Xu

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引用次数: 0

摘要

本文针对GaN高电子迁移率晶体管（HEMT）同步降压转换器，提出了共模（CM）电磁干扰（EMI）的行为模型。首先，使用由电压源、电流源和两个噪声阻抗组成的线性等效电路，建立了CM噪声模型。然后通过改变输入侧分流阻抗来提取CM模型的行为参数。然后使用100kHz、200kHz和500kHz的开关频率建立GaN-HEMT降压转换器设置，以验证CM EMI行为模型的有效性。实验结果与预测结果的比较表明，所提出的GaN基功率转换器的CM EMI模型能够很好地预测150 kHz–30 MHz频率范围内的CM EMI电流。

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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Modeling and Prediction of Common Mode Electromagnetic Interference in GaN-Based Switching Power Converters

Behavioral models of common mode (CM) electromagnetic interference (EMI) are proposed herein for a GaN high-electron-mobility transistor (HEMT) synchronous buck converter. First, a CM noise model is developed using a linear equivalent circuit that consists of a voltage source, current source, and two noise impedances. The behavioral parameters of the CM model are then extracted by changing the input-side shunt impedances. A GaN HEMT buck converter setup is then built using switching frequencies of 100 kHz, 200 kHz, and 500 kHz to verify the validity of the CM EMI behavioral model. A comparison between the experimental and predicted results indicated that the proposed CM EMI model of GaN-based power converters was able to predict well the CM EMI current in the 150 kHz–30 MHz frequency range.

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来源期刊

Journal of electromagnetic engineering and science ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.90

自引率

17.40%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Electromagnetic Engineering and Science (JEES) is an official English-language journal of the Korean Institute of Electromagnetic and Science (KIEES). This journal was launched in 2001 and has been published quarterly since 2003. It is currently registered with the National Research Foundation of Korea and also indexed in Scopus, CrossRef and EBSCO, DOI/Crossref, Google Scholar and Web of Science Core Collection as Emerging Sources Citation Index(ESCI) Journal. The objective of JEES is to publish academic as well as industrial research results and discoveries in electromagnetic engineering and science. The particular scope of the journal includes electromagnetic field theory and its applications: High frequency components, circuits, and systems, Antennas, smart phones, and radars, Electromagnetic wave environments, Relevant industrial developments.