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논문 기본 정보

자료유형
학술대회자료
저자정보
Yuki Kawai (Nagaoka University of Technology) Naoto Kikuchi (Nagaoka University of Technology) Hiroki Watanabe (Nagaoka University of Technology) Keisuke Kusaka (Nagaoka University of Technology) Jun-ichi Itoh (Nagaoka University of Technology)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
1,491 - 1,496 (6page)

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초록· 키워드

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This paper proposes a switched flyback PFC converter for a universal input range applications. Conventional controllers have large number of components to realize the wide range voltage input, which reduces the efficiency. The proposed converter supports worldwide power supplies by two flyback converter and two additional switches. The proposed converter is based on two flyback converters and switches the connections of them in series or parallel according to the input voltage. Moreover, the proposed circuit is driven by the Triangular Current Mode (TCM) with variable frequency (VF) to achieve zero-voltage switching (ZVS). However, the VF causes the input current distortion because the input current is not proportional to the input voltage by changing the duty ratio. Therefore, this paper proposes the compensation method of the input current distortion using the TCM. The fundamental operation is demonstrated by the simulation and experiment. As the simulation result, it was confirmed that the input current distortion was improved by 99.2%. In the experimental result, the proposed circuit drives the power factor of 99.9 % by 1.0 p.u. in DCM operation.

목차

Abstract
I. INTRODUCTION
II. CIRCUIT CONFIGURATION OF SWITCHED FLYBACK PFC CONVERTER
III. OPERATION MODE
IV. CONTROL METHOD
V. SIMULATION RESULT
VI. EXPERIMENTAL RESULT
VII. CONCLUSION
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