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GaN-Based DC-DC Resonant Boost Converter with Very High Efficiency and Voltage Gain Control

Author

Listed:
  • 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)

  • 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)

  • Andrzej Mondzik

    (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)

  • Aleksander Skała

    (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)

  • Adam Penczek

    (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 concept for the operation of a resonant DC–DC switched-capacitor converter with very high efficiency and output voltage regulation. In its basic concept, such a converter operates as a switched-capacitor voltage doubler (SCVD) in the Zero Current Switching (ZCS) mode with a constant output voltage. The proposed methods of switching allow for the switched-capacitor (SC) converter output voltage regulation, and improve its efficiency by the operation with Zero Voltage Switching (ZVS). In this paper, various switching patterns are proposed to achieve high efficiency and the output voltage control by frequency or duty cycle regulation. Some examples of the application of the proposed switching patterns are presented: in current control at the start-up of the converter, in a bi-directional converter, and in a modular cascaded system. The paper also presents an analytical model as well as the relationships between the switching frequency, voltage ratio and efficiency. Further, it demonstrates the experimental verification of the waveforms, voltage ratios, as well as efficiency. The proposed experimental setup achieved a maximum efficiency of 99.228%. The implementation of the proposed switching patterns with the ZVS operation along with the GaN-based (Gallium Nitride) design, with a planar choke, leads to a high-efficiency and low-volume solution for the SCVD converter and is competitive with the switch-mode step-up converters.

Suggested Citation

  • Zbigniew Waradzyn & Robert Stala & Andrzej Mondzik & Aleksander Skała & Adam Penczek, 2020. "GaN-Based DC-DC Resonant Boost Converter with Very High Efficiency and Voltage Gain Control," Energies, MDPI, vol. 13(23), pages 1-21, December.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:23:p:6403-:d:455853
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    References listed on IDEAS

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    1. Mauricio Dalla Vecchia & Simon Ravyts & Giel Van den Broeck & Johan Driesen, 2019. "Gallium-Nitride Semiconductor Technology and Its Practical Design Challenges in Power Electronics Applications: An Overview," Energies, MDPI, vol. 12(14), pages 1-20, July.
    2. 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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    Cited by:

    1. Chih-Chiang Wu & Ching-Yao Liu & Sandeep Anand & Wei-Hua Chieng & Edward-Yi Chang & Arnab Sarkar, 2021. "Comparisons on Different Innovative Cascode GaN HEMT E-Mode Power Modules and Their Efficiencies on the Flyback Converter," Energies, MDPI, vol. 14(18), pages 1-26, September.
    2. David Lumbreras & Manel Vilella & Jordi Zaragoza & Néstor Berbel & Josep Jordà & Alfonso Collado, 2021. "Effect of the Heat Dissipation System on Hard-Switching GaN-Based Power Converters for Energy Conversion," Energies, MDPI, vol. 14(19), pages 1-28, October.
    3. Robert Stala & Adam Piłat & Maciej Chojowski & Mikołaj Skowron & Szymon Folmer, 2022. "Thermal and Electric Parameter Analysis of DC–DC Module Based on Resonant Switched Capacitor Converter," Energies, MDPI, vol. 15(19), pages 1-15, September.

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