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DC-DC High-Voltage-Gain Converters with Low Count of Switches and Common Ground

Author

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  • Robert Stala

    (Department of Power Electronics and Energy Control Systems, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Zbigniew Waradzyn

    (Department of Power Electronics and Energy Control Systems, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Szymon Folmer

    (Department of Power Electronics and Energy Control Systems, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland)

Abstract

This paper presents a new concept and research results of DC-DC high-voltage-gain, high-frequency step-up resonant converters. The proposed topologies are optimized towards minimizing the number of switches and improvements in efficiency. Another relevant advantage of such type of converters is that they have a common input and output negative point. The proposed converters are based on the resonant switched-capacitor voltage multiplier circuit, and that is why they are compared with a classic converter from this family. The included results show the operating principle, possible switching methods with the consideration of their impact on the voltage gain level, as well as the voltage and current ripples. The operating concepts and analytical calculations are confirmed by simulation and experimental results.

Suggested Citation

  • Robert Stala & Zbigniew Waradzyn & Szymon Folmer, 2020. "DC-DC High-Voltage-Gain Converters with Low Count of Switches and Common Ground," Energies, MDPI, vol. 13(21), pages 1-22, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:21:p:5657-:d:436775
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    References listed on IDEAS

    as
    1. Van-Thuan Tran & Minh-Khai Nguyen & Youn-Ok Choi & Geum-Bae Cho, 2018. "Switched-Capacitor-Based High Boost DC-DC Converter," Energies, MDPI, vol. 11(4), pages 1-15, April.
    2. Wenjie Liu & Kamran Ali Khan Niazi & Tamas Kerekes & Yongheng Yang, 2019. "A Review on Transformerless Step-Up Single-Phase Inverters with Different DC-Link Voltage for Photovoltaic Applications," Energies, MDPI, vol. 12(19), pages 1-17, September.
    3. Adam Kawa & Robert Stala, 2020. "SiC-Based Bidirectional Multilevel High-Voltage Gain Switched-Capacitor Resonant Converter with Improved Efficiency," Energies, MDPI, vol. 13(10), pages 1-16, May.
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