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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
- 2019.5
- 수록면
- 1,743 - 1,750 (8page)
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초록· 키워드
오류제보하기
This paper proposes a voltage control method for a Dual Active Bridge (DAB) converter with three-level operation in the dead-time effect region. The non-linear transmission power error is reduced by controlling the zero current phase to the dead-time or more because the nonlinear error of the transmission power occurs when the inductor current reaches zero during the dead-time. In addition, the voltage control is operated under the linear region which is decided from the output current and the zerovoltage period. The validation of the proposed method is confirmed by a 2.3-kW prototype. In the experiments, the non-linear error in the transmission power is reduced by 76.3%. The linearity between a control variable and an output current is confirmed. In addition, a load step between two modes of three-level operation is achieved without the dc offset in the inductor current. Moreover, the RMS value of the inductor current is reduced by 50.2% compared with the conventional triangular modulation.
목차
Abstract
I. INTRODUCTION
II. DEAD-TIME EFFECT ON TRANSMISSION POWER
III. NON-LINEAR ERROR COMPENSATION METHOD FOR TRANSMISSION POWER
IV. VOLTAGE CONTROL METHOD IN NON-LINEAR DEADTIME EFFECT REGION
V. EXPERIMENTAL RESULTS
VI. CONCLUSION
REFERENCES
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