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A Novel Three-Phase Current Source Rectifier Based on an Asymmetrical Structure to Reduce Stress on Semiconductor Devices

Author

Listed:
  • Wang Hu

    (School of Electric Power Engineering, South China University of Technology, Guangzhou 510641, China)

  • Yunxiang Xie

    (School of Electric Power Engineering, South China University of Technology, Guangzhou 510641, China)

  • Zhiping Wang

    (School of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, China)

  • Zhi Zhang

    (School of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, China)

Abstract

This paper presents a novel three-phase current source rectifier (CSR) for AC/DC step-down voltage conversion to reduce voltage and current stress. The proposed converter features an asymmetrical connection between upper and lower arms compared with conventional CSRs, but has the same number of devices. With the proposed asymmetrical structure and modified space vector pulse width modulation (SVPWM) scheme, half of transistors only need to withstand half of the line-to-line voltage rather than the full line-to-line voltage, and its DC link current can be shared by multiple switches in freewheeling periods. Therefore, it is able to bring about a significant reduction in voltage and current stress, allowing for an improvement in the converter without additional cost. The topological structure, operation principles, and comparative analysis are specifically presented. Finally, an experimental prototype is built up to verify the performance of the proposed converter.

Suggested Citation

  • Wang Hu & Yunxiang Xie & Zhiping Wang & Zhi Zhang, 2020. "A Novel Three-Phase Current Source Rectifier Based on an Asymmetrical Structure to Reduce Stress on Semiconductor Devices," Energies, MDPI, vol. 13(13), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:13:p:3331-:d:378237
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    References listed on IDEAS

    as
    1. Oleksandr Korkh & Andrei Blinov & Dmitri Vinnikov & Andrii Chub, 2020. "Review of Isolated Matrix Inverters: Topologies, Modulation Methods and Applications," Energies, MDPI, vol. 13(9), pages 1-30, May.
    2. Jun-Young Lee & Kyung-Wook Heo & Kyu-Tae Kim & Jee-Hoon Jung, 2020. "Analysis and Design of Three-Phase Buck Rectifier Employing UPS to Supply High Reliable DC Power," Energies, MDPI, vol. 13(7), pages 1-12, April.
    3. Krzysztof Blecharz & Marcin Morawiec, 2019. "Nonlinear Control of a Doubly Fed Generator Supplied by a Current Source Inverter," Energies, MDPI, vol. 12(12), pages 1-15, June.
    4. Hoang-Long Dang & Eun-Su Jun & Sangshin Kwak, 2019. "Reduction of DC Current Ripples by Virtual Space Vector Modulation for Three-Phase AC–DC Matrix Converters," Energies, MDPI, vol. 12(22), pages 1-15, November.
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