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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
- 2,837 - 2,842 (6page)
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초록· 키워드
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This paper proposes a model-based dynamic control for dual active half-bridge converters to satisfy both a loss-minimizing operation and a high-dynamic response. First, the loss-minimizing operation is analyzed based on a two degrees-of-freedom (DOF) modulation scheme, where two variables, a phase shift and a duty ratio, are determined to minimize a transformer rms current. The 2-DOF modulation could be changed to the 1-DOF modulation according to operating conditions, where a smooth transition between the modulation schemes is required. Moreover, the output voltage control should be designed to provide fast dynamic performance under source and load variations. Therefore, the voltage controller is unified with the modulation schemes where a model-based control is adopted to lessen the burden of an error compensation part. A model-based calculation part improves the dynamics of the 2-DOF modulation with a load current feedforward. Lastly, the effectiveness of the proposed method is verified by the simulation and experimental results.
목차
Abstract
I. INTRODUCTION
II. OPERATING PRINCIPLE OF DAHB CONVERTER
III. MINIMUM RMS CURRENT OPERATION
IV. PROPOSED UNIFIED VOLTAGE CONTROL SCHEME
V. SIMULATION RESULTS
VI. EXPERIMENTAL RESULTS
VII. CONCLUSIONS
REFERENCES
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