Nonisolated ZVT Two-Inductor Boost Converter with a Single Resonant Inductor for High Step-Up Applications
- Title
- Nonisolated ZVT Two-Inductor Boost Converter with a Single Resonant Inductor for High Step-Up Applications
- Author
- 현동석
- Keywords
- zero-voltage transition (ZVT); Boost converter; interleaved, resonant; two-inductor
- Issue Date
- 2011-06
- Publisher
- 전력전자학회
- Citation
- ICPE(ISPE)논문집, 2011(5), P.1785-1792
- Abstract
- The interleaved operation of a two-inductor boost converter system is a very attractive solution for converting the low input voltage (30-50 V) of distributed power sources, such as photovoltaic and fuel cells, to the high output voltage (380-760 V) required in grid-connected power-conversion applications. However, a soft-switching method is required in the two main switches to increase the overall power conversion efficiency. This paper proposes a zero-voltage-transition (ZVT) two-inductor boost converter using a single resonant inductor to meet these needs. To satisfy the requirement of soft switching in the two main switches, a resonant cell is constructed at the output side with a bidirectional switch, two auxiliary diodes, and a single resonant inductor. This converter has the advantages of simple circuitry, reduced size, and low cost due to a single resonant inductor. The validity of the proposed ZVT two-inductor boost converter is verified through experimental results.
- URI
- https://ieeexplore.ieee.org/abstract/document/5997314/https://repository.hanyang.ac.kr/handle/20.500.11754/69933
- ISSN
- 1941-0107
- DOI
- 10.1109/TPEL.2011.2165970
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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