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논문 기본 정보

자료유형
학술대회자료
저자정보
Sihun Yang (Kyushu University) Seiya Abe (The International Centre for the Study of East Asian Development) Masahito Shoyama (Kyushu University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2011-ECCE Asia
발행연도
2011.5
수록면
854 - 859 (6page)

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This paper presents the design consideration of a low-profile LLC resonant converter using two flat transformers. The trend toward high power density, high efficiency, and low profile in power supplies has exposed a number of limitations in the use of magnetic component structures. The LLC resonant converter can be operated at a high switching frequency with high efficiency because the switching loss is reduced by soft-switching. However, flat transformer loss causes problems at a high switching frequency. As a result, temperature of flat transformers becomes high. Therefore, it is necessary to reduce the transformer temperature by analyzing the loss. In this proposed converter, flat transformer is integrated into advanced power conversion application systems. Low-profile power module of profile of about 14㎜ is achieved. Temperature inside of transformer repressed to 61℃ and an overall efficiency of about 97.8% was obtained.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. ANALYSIS OF RESONANT TOPOLOGY
Ⅲ. DESIGN OF THE LLC CONVERTER
Ⅳ. EXPERIMENTAL RESULTS
Ⅴ. CONCLUSION
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UCI(KEPA) : I410-ECN-0101-2013-560-000299843