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논문 기본 정보

자료유형
학술대회자료
저자정보
Seungbin Park (Ulsan National Institute of Science and Technology) Mina Kim (Ulsan National Institute of Science and Technology) Hoejeong Jeong (LG Electronics) Katherine A. Kim (National Taiwan University) Taewon Kim (Research Institute of Science and Technology) A-Rong Kim (Research Institute of Science and Technology) Jee-Hoon Jung (Ulsan National Institute of Science and Technology)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2019-ECCE Asia
발행연도
2019.5
수록면
1,759 - 1,764 (6page)

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A bidirectional flyback converter is a suitable topology for a PV-to-bus differential power processing (DPP) module in PV applications because of its electrical isolation capability, bidirectional power transfer, high step-up ratio, and simple circuit structure. Bidirectional flyback converters differ from the conventional flyback converters, which has power switches and snubber circuits on both the primary and secondary sides for bi-directional operations. The poor reverse recovery characteristics of the anti-parallel diode of the secondary (output) side power switch increase the switching loss and reduce the reliability. This paper proposes the design methodology of the bidirectional flyback converter for operating under the boundary conduction mode (BCM), which can show low power loss from the reverse recovery issue. The suitable magnetizing inductance is obtained by calculating the power losses in the bidirectional operation at the rated load. The validity of the proposed design methodology is verified using a 25.6-W bidirectional flyback converter prototype.

목차

Abstract
I. INTRODUCTION
II. DESIGN METHODOLOGY OF BIDIRECTIONAL FLYBACK CONVERTER
III. EXPERIMENTAL RESULT
IV. CONCLUSIONS
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