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Centralized-Decentralized Control for Regenerative Braking Energy Utilization and Power Quality Improvement in Modified AC-Fed Railways

Author

Listed:
  • Qiwei Lu

    (School of Mechanical Electronic & Information Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China)

  • Zhixuan Gao

    (School of Mechanical Electronic & Information Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China)

  • Bangbang He

    (School of Mechanical Electronic & Information Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China)

  • Cheng Che

    (School of Mechanical Electronic & Information Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China)

  • Cong Wang

    (School of Mechanical Electronic & Information Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China)

Abstract

This paper proposes a centralized-decentralized control strategy for regenerative braking energy utilization and power quality improvement in the modified AC-fed railway system with energy-storage-based smart electrical infrastructure. The proposal of a centralized-decentralized control strategy can enhance the ability to withstand and rapidly recover from disruptions, thus providing further guarantees for safe and reliable operation and energy conservation for railway systems. First of all, the description and control strategy of the modified railway system are outlined, and then the control principles and implementation process of the centralized control and decentralized control strategies are given. Moreover, a method of load power detection and regulated power reference calculation is proposed. Finally, the effectiveness of the proposed strategy is verified in a case of a modified railway system consisting of four traction substations and eight power supply sections. The results demonstrate that regenerative braking energy can be efficiently utilized in railways and that power quality can be improved using the proposed centralized-decentralized control strategy.

Suggested Citation

  • Qiwei Lu & Zhixuan Gao & Bangbang He & Cheng Che & Cong Wang, 2020. "Centralized-Decentralized Control for Regenerative Braking Energy Utilization and Power Quality Improvement in Modified AC-Fed Railways," Energies, MDPI, vol. 13(10), pages 1-31, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:10:p:2582-:d:360338
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    References listed on IDEAS

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    1. Zhixuan Gao & Qiwei Lu & Cong Wang & Junqing Fu & Bangbang He, 2019. "Energy-Storage-Based Smart Electrical Infrastructure and Regenerative Braking Energy Management in AC-Fed Railways with Neutral Zones," Energies, MDPI, vol. 12(21), pages 1-24, October.
    2. Qiwei Lu & Bangbang He & Zhixuan Gao & Cheng Che & Xuteng Wei & Jihui Ma & Zhichun Zhang & Jiantao Luo, 2019. "An Optimized Regulation Scheme of Improving the Effective Utilization of the Regenerative Braking Energy of the Whole Railway Line," Energies, MDPI, vol. 12(21), pages 1-19, October.
    3. Qiwei Lu & Bangbang He & Mingzhe Wu & Zhichun Zhang & Jiantao Luo & Yankui Zhang & Runkai He & Kunyu Wang, 2018. "Establishment and Analysis of Energy Consumption Model of Heavy-Haul Train on Large Long Slope," Energies, MDPI, vol. 11(4), pages 1-20, April.
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    Cited by:

    1. Ying Wang & Yueyang Xin & Ziyun Xie & Xiuqing Mu & Xiaoqiang Chen, 2023. "Research on Low-Frequency Stability under Emergency Power Supply Scheme of Photovoltaic and Battery Access Railway Traction Power Supply System," Energies, MDPI, vol. 16(12), pages 1-32, June.

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