CCTT-Core Split-Winding Integrated Magnetic for High-Power DC-DC Converters

被引：59

作者：

Hartnett, Kevin J. ^{[1
]}

Hayes, John G. ^{[1
]}

Egan, Michael G. ^{[1
]}

Rylko, Marek S. ^{[2
]}

机构：

[1] Natl Univ Ireland Univ Coll Cork, Power Elect Res Lab, Cork, Ireland

[2] Dtw Sp Zoo, PL-32080 Zabierzow, Poland

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2013年 / 28卷 / 11期

关键词：

Coupled inductor; dc-dc Converter; integrated magnetic; magnetic design; INDUCTORS;

D O I：

10.1109/TPEL.2013.2240394

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：

A novel CCTT-core split-winding integrated magnetic (IM) structure is presented in this paper. The IM device is optimized for use in high-power dc-dc converters. The IM structure uses a split-winding configuration which allows for the reduction of external leakage inductance, which is a problem for many IM designs. Magnetic poles are incorporated to help shape and contain the leakage flux within the core window. Low-cost and low-power loss ferrite is used which results in a very efficient design. An IM reluctance model is developed which uses fringing equations to develop a more accurate design. An IM design algorithm is developed and implemented in Mathematica for design and optimization. FEA and experimental results from a 72 kW, (155-V dc, 465-A dc input, and 420-V dc output) prototype validate the new IM concept. The 72 kW CCTT-core IM was shown to be 99.7% efficient at full load.

引用

页码：4970 / 4984

页数：15

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