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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 524 - 529 (6page)
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초록· 키워드
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This article proposes a variable frequency phase-shift modulation technique for single stage dual-active- bridge (DAB) AC-DC converter. This isolated single-stage single-phase converter consists of a DAB and a full bridge (FB) inverter. The proposed strategy applies a composite control strategy combining frequency modulation and extended phase shift (EPS) method to overcome the drawback of the non-linear power control of traditional phase-shift control scheme, which significantly reduces the complexity of the controller algorithm. Moreover, the synchronous inverter control applied to the back-end FB inverter is designed, which can realize the energy conversions in a single-stage, and a high frequency (HF) filter capacitor can replace the electrolytic capacitor at the output side DC-link. Thus, the safety of system operation improves and the power density of the system increases. Finally, simulation results confirm the validity and practical feasibility of the proposed control strategy.
목차
Abstract
I. INTRODUCTION
II. VARIABLE FREQUENCY PHASE-SHIFT MODULATION TECHNIQUE
III. SIMULATION RESULT
IV. CONCLUSIONS
REFERENCES
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