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An Improved Phase-Disposition Pulse Width Modulation Method for Hybrid Modular Multilevel Converter

Author

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  • Fayun Zhou

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
    Hunan Zhongke Electric Co., Ltd., Yueyang 414000, China)

  • Xinxing Xiang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
    Hunan Zhongke Electric Co., Ltd., Yueyang 414000, China)

  • Fujun Ma

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China)

  • Yichao Wang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China)

  • Fangyuan Zhou

    (School of Automation, Central South University, Changsha 410083, China)

  • Peng Peng

    (Hunan Zhongke Electric Co., Ltd., Yueyang 414000, China)

Abstract

The hybrid modular multilevel converter (MMC) consisting of half-bridge submodules (HBSMs) and full-bridge submodules (FBSMs) is a promising solution for overhead lines high-voltage direct current systems (HVDC) due to the advantages of direct current short circuit fault ride-through (DC-FRT) capability. This paper proposes an improved phase-disposition pulse width modulation (PDPWM) method for the hybrid modular multilevel converter. The number of carriers can be reduced from 3 N ( N is the number of submodules in each arm) to 6. The theoretical harmonic analysis of the improved PDPWM method for hybrid MMC is performed by using double Fourier integral analysis. The influence of three carrier displacement angles between HBSMs and FBSMs in the upper and lower arms on harmonic characteristics is investigated. The output voltage harmonics minimization PDPWM scheme and circulating current harmonics cancellation PDPWM scheme can be achieved by selecting the optimum carrier displacement angles, respectively. The proposed method for hybrid MMC is verified by the simulation and experimental results.

Suggested Citation

  • Fayun Zhou & Xinxing Xiang & Fujun Ma & Yichao Wang & Fangyuan Zhou & Peng Peng, 2023. "An Improved Phase-Disposition Pulse Width Modulation Method for Hybrid Modular Multilevel Converter," Energies, MDPI, vol. 16(3), pages 1-25, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:3:p:1192-:d:1043353
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    References listed on IDEAS

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    1. Fujun Ma & Yulin Kuang & Zhengwen Wang & Gelin Huang & Dexing Kuang & Cheng Zhang, 2021. "Multi-Port and -Functional Power Conditioner and Its Control Strategy with Renewable Energy Access for a Railway Traction System," Energies, MDPI, vol. 14(19), pages 1-20, September.
    2. Munif Nazmus Sakib & Sahar Pirooz Azad & Mehrdad Kazerani, 2022. "A Critical Review of Modular Multilevel Converter Configurations and Submodule Topologies from DC Fault Blocking and Ride-Through Capabilities Viewpoints for HVDC Applications," Energies, MDPI, vol. 15(11), pages 1-32, June.
    3. Fayun Zhou & An Luo & Yan Li & Qianming Xu & Zhixing He & Josep M. Guerrero, 2017. "Double-Carrier Phase-Disposition Pulse Width Modulation Method for Modular Multilevel Converters," Energies, MDPI, vol. 10(4), pages 1-23, April.
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