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논문 기본 정보

자료유형
학술저널
저자정보
Hongchen Liu (Harbin Institute of Technology) Jian Ai (Heilongjiang University of Science and Technology) Fei Li (Harbin Institute of Technology)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.16 No.2
발행연도
2016.3
수록면
436 - 446 (11page)

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초록· 키워드

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A novel step-up DC-DC converter with a switched-coupled-inductor-capacitor (SCIC) which successfully integrates three-winding coupled inductors and switched-capacitor techniques is proposed in this paper. The primary side of the coupled inductors for the SCIC is charged by the input source, and the capacitors are charged in parallel and discharged in series by the secondary windings of the coupled inductor to achieve a high step-up voltage gain with an appropriate duty ratio. In addition, the passive lossless clamped circuits recycle the leakage energy and reduce the voltage stress on the main switch effectively, and the reverse-recovery problem of the diodes is alleviated by the leakage inductor. Thus, the efficiency can be improved. The operating principle and steady-state analyses of the converter are discussed in detail. Finally, a prototype circuit at a 50 kHz switching frequency with a 20-V input voltage, a 200-V output voltage, and a 200-W output power is built in the laboratory to verify the performance of the proposed converter.

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Abstract
I. INTRODUCTION
II. VOLTAGE-LIFT-TYPE SWITCHED-COUPLED-INDUCTOR- CAPACITOR CELLS
III. PROPOSED CONVERTER AND OPERATIONAL PRINCIPLE
IV. STEADY-STATE ANALYSIS
V. EXPERIMENTAL RESULTS
VI. CONCLUSION
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UCI(KEPA) : I410-ECN-0101-2016-560-002653812