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논문 기본 정보

자료유형
학술저널
저자정보
Xuefeng Hu (Anhui University of Technology) Benbao Gao (Anhui University of Technology) Yuanyuan Huang (Anhui University of Technology) Hao Chen (Anhui University of Technology)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.3
발행연도
2018.5
수록면
662 - 671 (10page)

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초록· 키워드

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This paper presents a new structure for a step up dc-dc converter, which has several advantageous features. Firstly, the input dc source and the clamped capacitor are connected in series to transfer energy to the load through dual voltage multiplier cells. Therefore, the proposed converter can produce a very high voltage and a high conversion efficiency. Secondly, a double voltage clamped circuit is introduced to the primary side of the coupled inductor. The energy of the leakage inductance of the coupled inductor is recycled and the inrush current problem of the clamped circuits can be shared equally by two synchronous clamped capacitors. Therefore, the voltage spike of the switch tube is solved and the current stress of the diode is reduced. Thirdly, dual voltage multiplier cells can absorb the leakage inductance energy of the secondary side of the coupled inductor to obtain a higher efficiency. Fourthly, the active switch turns on at almost zero current and the reverse-recovery problem of the diodes is alleviated due to the leakage inductance, which further improves the conversion efficiency. The operating principles and a steady-state analysis of the continuous, discontinuous and boundary conduction modes are discussed in detail. Finally, the validity of this topology is confirmed by experimental results.

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Abstract
I. INTRODUCTION
II. OPERATIONAL PRINCIPLE OF THE PROPOSED CONVERTER
III. STEADY-STATE ANALYSIS OF THE PROPOSED CONVERTER
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
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