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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 973 - 978 (6page)
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초록· 키워드
오류제보하기
A two-transformer phase-shift full-bridge (PSFB) converter has features of zero-voltage switching (ZVS) capability, clamped voltage stress of the primary switches. However, when a wide input voltage range is required, the two-transformer PSFB converter operates with extended freewheeling mode. In addition, a large freewheeling current is reflected on the primary side, which causes a large circulating current. As a result, the freewheeling current flows through high voltage rating diodes, resulting in a large conduction loss. To overcome this problem, a new two-transformer phase-shift full-bridge converter with low conduction loss is proposed in this paper. By employing a diode which has a low voltage stress in the secondary side, the proposed converter eliminates the circulating current in the primary side. As a result, the proposed converter reduces the primary and secondary conduction loss. The effectiveness and feasibility were verified with a 300-400 V input and 12 V/400 W output prototype.
목차
Abstract
I. INTRODUCTION
II. CONCEPT OF THE PROPOSED CONVERTER
III. OPERATIONAL PRINCIPLES
IV. ANALYSIS OF THE PROPOSED CONVERTER
V. EXPERIMENTAL RESULTS
VI. CONCLUSION
REFERENCES
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