Approximate Analysis of Resonant LLC DC-DC Converter

被引：181

作者：

Ivensky, Gregory ^{[1
]}

Bronshtein, Svetlana ^{[2
]}

Abramovitz, Alexander ^{[3
]}

机构：

[1] Ben Gurion Univ Negev, Dept Elect & Comp Engn, IL-84100 Beer Sheva, Israel

[2] Sami Shamoon Coll Engn, Dept Elect & Elect Engn, IL-84100 Beer Sheva, Israel

[3] Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA 92697 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2011年 / 26卷 / 11期

关键词：

DC-DC conversion; LLC; resonant circuits;

D O I：

10.1109/TPEL.2011.2142009

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents an approximate analysis of LLC resonant converter with capacitive filter operating above and below resonance. An equivalent ac resistance model of the rectifier valid for discontinuous as well as continuous conduction modes is proposed. The dc voltage conversion ratio is then obtained using the fundamental harmonic approximation analysis method. Based on the analysis, LLC converter design plots and guidelines are suggested. The theory is verified by simulation and experiment.

引用

页码：3274 / 3284

页数：11

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