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Transformer-Less Switched-Capacitor Quasi-Switched Boost DC-DC Converter

Author

Listed:
  • Truong-Duy Duong

    (Department of Electrical Engineering, Chonnam National University, Gwangju 61186, Korea)

  • Minh-Khai Nguyen

    (Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City 700000, Vietnam)

  • Tan-Tai Tran

    (Faculty of Electrical Engineering Technology, Industrial University of Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam)

  • Young-Cheol Lim

    (Department of Electrical Engineering, Chonnam National University, Gwangju 61186, Korea)

  • Joon-Ho Choi

    (Department of Electrical Engineering, Chonnam National University, Gwangju 61186, Korea)

Abstract

In this article, a quasi-switched boost converter based on the switched-capacitor technique with high step-up voltage capability is dealt with and analyzed. The proposed converter offers a simple structure and low voltage stress on the semiconductor elements with intrinsic small duty cycle. An inductor of the proposed converter is connected in series with the input voltage source; therefore, continuous input current ripple is attainable. In addition, the efficiency of the proposed converter is also improved. A detailed steady-state analysis is discussed to identify the salient features of the switched-capacitor-based quasi-switched boost DC-DC converter. The performance of the converter is compared against similar existing high boost DC-DC converters. Finally, the switched-capacitor-based quasi-switched boost DC-DC converter is investigated by experimental verification.

Suggested Citation

  • Truong-Duy Duong & Minh-Khai Nguyen & Tan-Tai Tran & Young-Cheol Lim & Joon-Ho Choi, 2021. "Transformer-Less Switched-Capacitor Quasi-Switched Boost DC-DC Converter," Energies, MDPI, vol. 14(20), pages 1-19, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:20:p:6591-:d:655092
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    Citations

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    Cited by:

    1. Cuidong Xu & Ka Wai Eric Cheng, 2022. "Topology and Formation of Current Source Step Down Resonant Switched Inductor Converters," Energies, MDPI, vol. 15(5), pages 1-20, February.
    2. Shin-Ju Chen & Sung-Pei Yang & Chao-Ming Huang & Ping-Sheng Huang, 2023. "Analysis and Design of a New High Voltage Gain Interleaved DC–DC Converter with Three-Winding Coupled Inductors for Renewable Energy Systems," Energies, MDPI, vol. 16(9), pages 1-23, May.
    3. Truong-Duy Duong & Minh-Khai Nguyen & Tan-Tai Tran & Dai-Van Vo & Young-Cheol Lim & Joon-Ho Choi, 2022. "Topology Review of Three-Phase Two-Level Transformerless Photovoltaic Inverters for Common-Mode Voltage Reduction," Energies, MDPI, vol. 15(9), pages 1-18, April.

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