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A Novel Single-Stage Boost Single-Phase Inverter and Its Composite Control Strategy to Suppress Low-Frequency Input Ripples

Author

Listed:
  • Yong Wei

    (School of Physics and Electronic Science, Hunan Institute of Science and Technology, Yueyang 414006, China)

  • Zhenying Jiang

    (Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fuzhou 350116, China)

  • Tao Lv

    (Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fuzhou 350116, China)

  • Xiaohan Tong

    (Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fuzhou 350116, China)

  • Benxu Jiang

    (School of Physics and Electronic Science, Hunan Institute of Science and Technology, Yueyang 414006, China)

  • Kun Qian

    (School of Physics and Electronic Science, Hunan Institute of Science and Technology, Yueyang 414006, China)

Abstract

Low-frequency pulsating ripples exist on the input side of a single-phase inverter, which bring some adverse effects and harm to the inverter and photovoltaic power generation system. In order to suppress the low-frequency pulsating ripple and reduce the filter circuit parameters, a novel single-stage boost single-phase inverter is proposed, which can suppress low-frequency ripple. And a three-closed-loop compound control strategy that can suppress input low-frequency ripples under the limitation of an energy storage inductor current and buffer capacitor voltage is proposed. The circuit topology, control strategy, key circuit parameters design, system modeling, and simulation of the inverters are deeply analyzed and studied. Simulation and experimental results show that the inverter has a good ability to suppress input low-frequency ripples.

Suggested Citation

  • Yong Wei & Zhenying Jiang & Tao Lv & Xiaohan Tong & Benxu Jiang & Kun Qian, 2024. "A Novel Single-Stage Boost Single-Phase Inverter and Its Composite Control Strategy to Suppress Low-Frequency Input Ripples," Energies, MDPI, vol. 17(17), pages 1-19, September.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:17:p:4522-:d:1474316
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