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Multi-Port and -Functional Power Conditioner and Its Control Strategy with Renewable Energy Access for a Railway Traction System

Author

Listed:
  • Fujun Ma

    (College of Electrical and Information Engineering, Hunan University, Changsha 410000, China)

  • Yulin Kuang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410000, China)

  • Zhengwen Wang

    (State Grid Changde Electric Power Company, Changde 415000, China)

  • Gelin Huang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410000, China)

  • Dexing Kuang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410000, China)

  • Cheng Zhang

    (College of Electrical and Information Engineering, Hunan University, Changsha 410000, China)

Abstract

To relieve the contradiction between supply and demand, a multi-port power conditioner (MP-PC) and control strategy with renewable energy access for a railway traction system is presented, which is mainly composed of full-bridge-based MMC and isolated DC/DC converters. As for the full-bridge-based MMC, the equivalent model is established and its novel voltage control method is proposed, which can provide a medium/low-voltage DC-link. A renewable energy system is connected to the system through the DC-link, so the MP-PC can achieve on-site consumption and balance between the load power and output power of RESs. Meanwhile, with the proposed control strategy, MP-PC can achieve three-phase power balance control and improve the operation performance of the railway traction system. Finally, the traction power platform and simulation model are established in the lab, and the topology and control strategy of MP-PC are verified effectively.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:19:p:6146-:d:644026
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    References listed on IDEAS

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    1. Mohamed Tanta & Jose Cunha & Luis A. M. Barros & Vitor Monteiro & José Gabriel Oliveira Pinto & Antonio P. Martins & Joao L. Afonso, 2021. "Experimental Validation of a Reduced-Scale Rail Power Conditioner Based on Modular Multilevel Converter for AC Railway Power Grids," Energies, MDPI, vol. 14(2), pages 1-27, January.
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    Cited by:

    1. Ning Xie & Jie Shu & Jiongcong Chen & Hao Wang & Fei Xie, 2022. "A 10 kV/1 MW High-Frequency-Isolated Power Conversion System for Battery Energy," Energies, MDPI, vol. 15(14), pages 1-18, July.
    2. 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.

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