Design guideline for magnetic integration in LLC resonant converters

被引：40
|
作者：
De Simone, S. [1 ]
Adragna, C. [1 ]
Spini, C. [1 ]
机构：
[1] STMicroelectronics, I-20041 Agrate Brianza, MI, Italy
来源：
2008 INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS, ELECTRICAL DRIVES, AUTOMATION AND MOTION, VOLS 1-3 | 2008年
关键词：
First harmonic approximation (FHA); LLC resonant converter; zero-voltage switching (ZVS); magnetic integration; transformer "all primary referred" (APR) model;
D O I：
10.1109/SPEEDHAM.2008.4581225
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The aim of this paper is to present a comprehensive design methodology for the magnetic integration of the series and shunt inductances of the resonant tank in an LLC resonant converter within the transformer. The design procedure applies to symmetrical core-bobbin structures with two separate slots for the primary and secondary windings. A specific leakage inductance A. (per square turn) that depends on geometrical parameters only is derived. This is used, together with the cross section and winding area of the core, to define two other core parameters that allow the designer to identify the minimum ferrite core size suitable for the application.
引用
收藏
页码：950 / 957
页数：8
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