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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 21 - 26 (6page)
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초록· 키워드
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With the wide application of dual active bridge (DAB) DC-DC converters in high-frequency scenarios, the realization of zero voltage switching (ZVS) becomes more important for efficiency improvement. However, the existing control strategy is difficult to realize all-ZVS in medium load, which results in lower efficiency. In this paper, a partial-variable- frequency modulation scheme based on medium load frequency regulation is proposed, which could realize the all-ZVS operation. Herein, a mathematical model is proposed to regulate switching frequency and a smooth transition is achieved in the medium load, by which the all-ZVS operation can be maintained. Finally, a DAB prototype has been built to verify the validity of the theoretical analysis and the all-ZVS operation is successfully achieved in the full power range.
목차
Abstract
I. INTRODUCTION
II. ANALYSIS OF TPS CONTROL, ZVS IMPLEMENTATION CONDITIONS, AND THE STATES OF ZVS
III. THE PARTIAL-VARIABLE-FREQUENCY METHOD FOR MAXIMUM ZVS RANGE
IV. EXPERIMENT VERIFICATION
V. CONCLUSIONS
REFERENCES
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