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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
- 2,892 - 2,897 (6page)
이용수
초록· 키워드
오류제보하기
The DC transformer (DCT) is a key equipment of the power router. To improve the DCT efficiency, this paper proposes a variable-frequency phase-shift modulation (VFPSM) strategy for the dual-active-bridge (DAB) converter which operates at the fixed voltage-transfer-ratio. The optimal switching frequency can be calculated by the VFPSM strategy online through the proposed loss model to ensure that the total of switching loss, conduction loss, and core loss is the minimum under different output powers. Besides, the frequency control and phase-shift control are decoupled by using the proposed frequency compensation factor, which would not affect the characteristics of the original DAB control method. Experimental results show that compared with conventional fix switching frequency control, the proposed VFSPM strategy can improve efficiency over a wide power range, and efficiency can be improved by up to 7.4%.
목차
Abstract
I. INTRODUCTION
II. TOPOLOGY AND POWER TRANSFER CHARACTERISTICS OF THE DAB CONVERTER
III. THE DAB CONVERTER LOSSES MODEL AND VFPSM STRATEGY
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
REFERENCES
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