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A Generic Multi-Level SVM Scheme Based on Two-Level SVM for n -Level Converters

Author

Listed:
  • Chen Wei

    (School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
    Department of Electrical and Electronic Engineering, University of Bristol, Bristol BS8 1TH, UK)

  • Xibo Yuan

    (School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
    Department of Electrical and Electronic Engineering, University of Bristol, Bristol BS8 1TH, UK)

  • Yonglei Zhang

    (School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Xiaojie Wu

    (School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China)

Abstract

Multi-level converters are widely used in various industrial applications. Among various space vector modulation (SVM) schemes, the multi-level SVM scheme based on two-level space vector pulse width modulation (SVPWM) is recognised as a simplified multi-level SVM scheme, which can reduce the computation complexity. However, this scheme is still complicated when the number of the voltage levels is large. This paper proposes a modified SVM scheme that can further simplify the multi-level SVM scheme based on two-level SVPWM. The proposed SVM scheme can directly determine the two-level hexagon where the reference voltage vector is located by calculating a simple formula. The whole modulation process can be completed by only three steps. Meanwhile, the proposed method is generic for any n -level converter without adding much calculation, which greatly simplifies the modulation process. Experimental results have been provided, which verify the effectiveness and generality of the proposed SVM scheme for two types of multi-level converters.

Suggested Citation

  • Chen Wei & Xibo Yuan & Yonglei Zhang & Xiaojie Wu, 2020. "A Generic Multi-Level SVM Scheme Based on Two-Level SVM for n -Level Converters," Energies, MDPI, vol. 13(9), pages 1-18, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:9:p:2143-:d:352539
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    References listed on IDEAS

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    1. P. Madasamy & R. K. Pongiannan & Sekar Ravichandran & Sanjeevikumar Padmanaban & Bharatiraja Chokkalingam & Eklas Hossain & Yusuff Adedayo, 2019. "A Simple Multilevel Space Vector Modulation Technique and MATLAB System Generator Built FPGA Implementation for Three-Level Neutral-Point Clamped Inverter," Energies, MDPI, vol. 12(22), pages 1-24, November.
    2. Chen Wei & Xibo Yuan & Juan Zhou & Kangan Wang & Yonglei Zhang & Xiaojie Wu, 2019. "Voltage Jump Suppression and Capacitor Voltage Fluctuation Analysis for a Four-Level Hybrid Flying Capacitor T-Type Converter," Energies, MDPI, vol. 12(4), pages 1-16, February.
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    Cited by:

    1. Hongjin Hu & Haoze Wang & Kun Liu & Jingbo Wei & Xiangjie Shen, 2022. "A Simplified Space Vector Pulse Width Modulation Algorithm of a High-Speed Permanent Magnet Synchronous Machine Drive for a Flywheel Energy Storage System," Energies, MDPI, vol. 15(11), pages 1-21, June.

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