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Energy-Storage-Based Smart Electrical Infrastructure and Regenerative Braking Energy Management in AC-Fed Railways with Neutral Zones

Author

Listed:
  • Zhixuan Gao

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

  • Qiwei Lu

    (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)

  • Junqing Fu

    (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)

Abstract

This paper presents a modified power supply system based on the current alternating current (AC)-fed railways with neutral zones that can further improve the eco-friendliness and smart level of railways. The modified system complements the existing infrastructure with additional energy-storage-based smart electrical infrastructure. This infrastructure comprises power electronic devices with energy storage system connected in parallel to both sides of each neutral zone in the traction substations, power electronic devices connected in parallel to both sides of each neutral zone in section posts, and an energy management system. The description and functions of such a modified system are outlined in this paper. The system allows for the centralized- and distributed-control of different functions via an energy management system. In addition, a control algorithm is proposed, based on the modified system for regenerative braking energy utilization. This would ensure that all the regenerative braking energy in the whole railway electrical system is used more efficiently. Finally, a modified power supply system with eight power supply sections is considered to be a case study; furthermore, the advantages of the proposed system and the effectiveness of the proposed control algorithm are verified.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:21:p:4053-:d:279832
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    References listed on IDEAS

    as
    1. Minwu Chen & Yinyu Chen & Mingchi Wei, 2019. "Modeling and Control of a Novel Hybrid Power Quality Compensation System for 25-kV Electrified Railway," Energies, MDPI, vol. 12(17), pages 1-23, August.
    2. 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. 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.
    2. Michela Robba & Mansueto Rossi, 2021. "Optimal Control of Hybrid Systems and Renewable Energies," Energies, MDPI, vol. 15(1), pages 1-3, December.

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