Differential-mode Modeling of Common Mode Chokes for EMI filter in Switching Power Supply

被引：0
|
作者：
Wang, Na [1 ]
Yan, Zhaowen [1 ]
Tang, Jun [1 ]
Xiao, Biao [2 ]
Lyu, Jifang [2 ]
Wang, Hui [2 ]
机构：
[1] Beihang Univ, Sch Elect & Informat Engn, Beijing, Peoples R China
[2] State Key Lab Air Conditioning Equipment & Syst E, Zhuhai, Peoples R China
来源：
2018 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM IN CHINA (ACES-CHINA 2018) | 2018年
基金：
中国国家自然科学基金;
关键词：
common mode choke; differential-mode equivalent circuit; electromagnetic interference (EMI) filter; modeling;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper proposed a high frequency modeling method of common mode chokes for EMI filter in differential mode. The method consists of two parts: components modeling by impedance measurement and near field coupling effects analyzed by electromagnetic simulation calculation. Finally, the accuracy of model could be verified by the comparison between simulated and measured curves of S parameters. This modeling method could be used to predict and improve the filtration performance of EMI filter in switching power supply.
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页数：2
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