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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 315 - 321 (7page)
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초록· 키워드
오류제보하기
In this paper, a modular multilevel power electronic transformer structure for power distribution system is discussed. The proposed structure consists of two completely decoupled power stages. Modular multilevel converter is adopted as the front-end ac-dc stage to convert the medium ac voltage to medium dc voltage, or vice versa. Galvanic isolation and voltage conversion are realized by the cascaded dc-dc stage. Only one high frequency transformer is used in the dc-dc converter, which dramatically simplifies the circuit and galvanic isolation design. A dual phase shift control method is proposed to regulate the output and balance the submodule voltage in the dc-dc stage. To verify the effectiveness of the proposed converter and control method, a down-scaled prototype is constructed. The experimental results comply with the theoretical analysis very well.
목차
Abstract
I. INTRODUCTION
II. CHARACTERISTIC AND OPERATION PRINCIPLE
III. EXPERIMENTAL VERIFICATION
IV. CONCLUSIONS
REFERENCES
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