Winding Loss Simulation and Optimal Design of a High Frequency Coaxial Transformer

被引：1
|
作者：
Yang Xiaoguang [1 ]
机构：
[1] Hebei Univ Technol, Prov Minist Joint Key Lab Electromagnet Field & E, Tianjin, Peoples R China
来源：
INTELLIGENT SYSTEM AND APPLIED MATERIAL, PTS 1 AND 2 | 2012年 / 466-467卷
关键词：
high frequency coaxial transformer; proximity effect; eddy current; windingloss; litz wire; FEM;
D O I：
10.4028/www.scientific.net/AMR.466-467.567
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A high frequency coaxial transformer (HFCT) with a split winding structure and litz wire has been developed for high frequency (HF) and high power DC/DC converter applications. A method combined numerical analysis of magnetic field and analytical calculation of litz wire winding losses, taking into account conduction losses and proximity effect losses, is proposed for the designed HFCT. The experimental results validate the winding loss calculation method. The measured results demonstrate that the voltage ratio has a good agreement with the turn ratio over the frequency range from 0.1 MHz to 1MHz, indicating that the high coupling efficiency has been obtained.
引用
收藏
页码：567 / 571
页数：5
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