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A Single-Voltage-Source Class-D Boost Multi-Level Inverter with Self-Balanced Capacitors

Author

Listed:
  • Jenn-Jong Shieh

    (Department of Electrical Engineering, Feng Chia University, No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan)

  • Kuo-Ing Hwu

    (Department of Electrical Engineering, National Taipei University of Technology, 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan)

  • You-Yang Li

    (Delta Electronics (Taiwan), No. 16, Dongyuan Rd., Zhongli Dist., Taoyuan City 32063, Taiwan)

Abstract

A symmetric single-source 7-level DC-AC converter with voltage gain of 3 and self-voltage balance is presented by combining the Class-D amplifier and the diode-clamped DC-AC converter. There is only one switch is switched for any time in this circuit. As a result, the conversion efficiency can be upgraded significantly as well as the control strategy can be simplified considerably. In the paper, the operation principle and circuit design of this converter are analyzed in detail, and its feasibility and effectiveness are verified by simulation and digital control, respectively.

Suggested Citation

  • Jenn-Jong Shieh & Kuo-Ing Hwu & You-Yang Li, 2022. "A Single-Voltage-Source Class-D Boost Multi-Level Inverter with Self-Balanced Capacitors," Energies, MDPI, vol. 15(11), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:11:p:4082-:d:830045
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    Citations

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    Cited by:

    1. Jenn-Jong Shieh & Kuo-Ing Hwu & Sheng-Ju Chen, 2023. "Perspective of Voltage-Fed Single-Phase Multilevel DC-AC Inverters," Energies, MDPI, vol. 16(2), pages 1-22, January.
    2. Manuel Flota-Bañuelos & Homero Miranda-Vidales & Bernardo Fernández & Luis J. Ricalde & A. Basam & J. Medina, 2022. "Harmonic Compensation via Grid-Tied Three-Phase Inverter with Variable Structure I&I Observer-Based Control Scheme," Energies, MDPI, vol. 15(17), pages 1-19, September.
    3. Jenn-Jong Shieh & Kuo-Ing Hwu & You-Yang Li, 2022. "Analysis and Modeling of a Single-Power-Source T-Type 7-Level Single-Phase DC-AC Inverter with Voltage Gain of 3," Energies, MDPI, vol. 15(21), pages 1-26, October.

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