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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 736 - 742 (7page)
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초록· 키워드
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This paper proposes a quadruple CLLC converter for the submodule of modular multilevel converter- (MMC) based solid state transformers (SSTs). In SST applications, bidirectional power flow capability is required. The proposed converter offers symmetric bidirectional power flow capability, which is preferable due to the same circuit analysis and identical efficiency for both power flows. Moreover, high efficiency and soft switching operations at various loads can be ensured without any additional circuits and complex control schemes. A simple parameter design to achieve soft-switching and desired output voltage is discussed in this paper. Large-scale simulation at 100 kW and small-scale prototype at 500 W rated powers verify the effectiveness of the proposed converter. The converter efficiency is also compared with other existing topologies and the maximum efficiencies of the large-scale simulation and small-scale prototype are 98.9 %.
목차
Abstract
I. INTRODUCTION
II. PROPOSED SUBMODULE TOPOLOGY FOR MMC-BASED SST
III. SIMULATION RESULTS
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
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