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Real-Time Fault Detection to Ensure the Safe Operation of the Single-Phase Five-Level VIENNA Rectifier

Author

Listed:
  • Pham Thi Thuy Linh

    (Faculty of Control and Automation, Electric Power University, Hanoi 100000, Vietnam)

  • Nguyen Ngoc Bach

    (Institute of Energy Science, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam)

  • Vu Minh Phap

    (Institute of Energy Science, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam
    Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam)

  • Doan Van Binh

    (Institute of Energy Science, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam
    Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam)

Abstract

This work aims to explore and evaluate the nonreversible AC/DC five-level structure from the point of view of its operational safety: high electrical security on internal destruction and continuity in operation. It only has low-voltage monotransistor cells (Si and SiC 600 V max) and is intrinsically tolerant to imperfection control and parasites, therefore naturally secure. The design and lab-test of fault monitoring and fault diagnosis with just one voltage sensor of a single-phase five-level VIENNA rectifier were proposed. This real-time diagnostic method allows for a safe stop or corrective control strategy based on the reconfiguration of the modulation. The reconstruction strategy allows for optimization of the current and voltage signals as well as power factor. A continuous post-fault operation can be achieved for critical applications. An experimental prototype 3 kW/230 VAC/800 VDC/32 kHz was created to validate the proposed fault diagnosis method and reconfiguration control method.

Suggested Citation

  • Pham Thi Thuy Linh & Nguyen Ngoc Bach & Vu Minh Phap & Doan Van Binh, 2021. "Real-Time Fault Detection to Ensure the Safe Operation of the Single-Phase Five-Level VIENNA Rectifier," Energies, MDPI, vol. 14(24), pages 1-20, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8308-:d:698929
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    References listed on IDEAS

    as
    1. Yong-Dae Kwon & Jin-Hyuk Park & Kyo-Beum Lee, 2018. "Improving Line Current Distortion in Single-Phase Vienna Rectifiers Using Model-Based Predictive Control," Energies, MDPI, vol. 11(5), pages 1-22, May.
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