Reliability of Boost PFC Converters with Improved EMI Filters

被引:12
作者
Zhu, Haoqi [1 ]
Liu, Dongliang [1 ]
Zhang, Xu [1 ]
Qu, Feng [1 ]
机构
[1] Hangzhou Dianzi Univ, Coll Automat, Hangzhou 310018, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
common-mode inductor; high-frequency modeling; electromagnetic interference; filter; MODELS;
D O I
10.3390/electronics7120413
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The switching device in a power converter can produce very serious electromagnetic interference (EMI). In order to solve this problem and the associated reliability and stability issues, this article aimed to analyze and model the boost power factor correction (PFC) converter according to the EMI conduction path. The sources of common-mode (CM) and differential-mode (DM) noise of the boost PFC converter were analyzed, and the DM and CM equivalent circuits were deduced. Furthermore, high-frequency modeling of the common-mode inductor was developed using a precise model, and the EMI filter was designed. According to the Class B standard for EMI testing, it is better to restrain the EMI noise in the frequency range (150 kHz to 30 MHz) of the EMI conducted disturbance test. Using this method, a 2.4-kW PFC motor driving supply was designed, and the experimental results validate the analysis.
引用
收藏
页数:12
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