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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 985 - 990 (6page)
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초록· 키워드
오류제보하기
paper proposes a leg-integrated method to extend ZVS(Zero Voltage Switching) range in a PSFB(Phase Shift Full Bridge) converter. The proposed PSFB converter shares all switch legs that implement 3 PSFB converters in 3 switch legs, and all switch legs are integrated legs. Therefore, all switch legs are treated as leading legs, so the leakage inductance less affects the ZVS. Hence, ZVS is possible even if the leakage inductance is significantly reduced in the light load condition. Therefore, duty cycle loss and the secondary voltage spike are reduced, so a voltage spike reduction circuit can be simply designed. In addition, the current cancellation effect occurs in integrated legs, reducing the RMS current, and the output current ripple can also be reduced because it automatically operates interleaved. Based on these characteristics, the proposed method can achieve improving its efficiency not only in light load but also in heavy load. A simulation is conducted to explain the proposed circuit"s effect.
목차
Abstract
I. INTRODUCTION
II. ZVS CONDITION OF PSFB CONVERTER AND LEG INTEGRATION METHOD
III. PROPOSED CIRCUIT
IV. CONCLUSIONS
REFERENCES
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