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Research on the Modulation and Control Strategy for a Novel Single-Phase Current Source Inverter

Author

Listed:
  • Yi Zhang

    (School of Vehicle Engineering, Chongqing University of Technology, Chongqing 400054, China)

  • Tao Yang

    (School of Rail Transit and Aviation Service, Chongqing Industry Polytechnic College, Chongqing 401120, China
    State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China)

  • Yiru Miao

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China)

Abstract

Compared to the voltage source inverter, the current source inverter (CSI) can boost voltage and improve filtering performance. However, the DC side of CSI is not a real current source, and the DC input current comprises a DC power supply and an inductor. In the switching process, the DC-link inductor is charged or discharged and is in an uncontrollable state. This paper proposes a novel CSI topology containing five switching tubes and a modulation strategy based on the hysteresis control strategy of the DC-link current. Due to the conduction and switching loss being positive to the DC-link current, the calculation method for the least reference value of the DC-link current is derived to meet power requirements. By constructing a virtual axis, we then present the control strategy of the output voltage in a two-phase rotating reference frame. Finally, we carry out the simulation and experiment are to validate the proposed topology, modulation, and control strategy.

Suggested Citation

  • Yi Zhang & Tao Yang & Yiru Miao, 2023. "Research on the Modulation and Control Strategy for a Novel Single-Phase Current Source Inverter," Energies, MDPI, vol. 16(18), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:18:p:6729-:d:1244248
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    Citations

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    Cited by:

    1. Cheng Xu & Ping Liu & Yiru Miao, 2024. "Overlap Time Compensation and Characteristic Analysis for Current Source Photovoltaic Grid-Connected Inverter," Energies, MDPI, vol. 17(7), pages 1-18, April.
    2. Hongliang Dong & Yi Zhang, 2023. "A Low-Complexity Double Vector Model Predictive Current Control for Permanent Magnet Synchronous Motors," Energies, MDPI, vol. 17(1), pages 1-13, December.

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