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Active Equalization for Lithium-Iron Battery Pack Based on Reduced-Order Solving Strategy for the Hanoi Tower Problem

Author

Listed:
  • Zhengyu Xia

    (College of Electrical Engineering and New Energy, China Three Gorges University, No. 8 Daxue Road, Yichang 443002, China)

  • Xi Chen

    (College of Electrical Engineering and New Energy, China Three Gorges University, No. 8 Daxue Road, Yichang 443002, China)

  • Xingjiang Chi

    (State Grid Beijing Electric Power Company, No. 41 Qianmen West Street, Beijing 100031, China)

  • Binxin Zhu

    (College of Electrical Engineering and New Energy, China Three Gorges University, No. 8 Daxue Road, Yichang 443002, China)

  • Lei Zhang

    (College of Electrical Engineering and New Energy, China Three Gorges University, No. 8 Daxue Road, Yichang 443002, China)

  • Yuehua Huang

    (College of Electrical Engineering and New Energy, China Three Gorges University, No. 8 Daxue Road, Yichang 443002, China)

Abstract

In order to address the energy imbalance issue of a series-connected lithium-iron battery pack, this paper proposes an active equalization method based on a reduced-order solving strategy for the Hanoi Tower problem. The proposed scheme utilizes a combined structure of a switching-network circuit and a bidirectional Cuk converter and leverages an ultracapacitor cell as the energy-transfer carrier. Simulation and comparison demonstrate that the exchange of unbalanced energy within the battery pack can be achieved. The proposed approach can effectively achieve various balancing modes such as cell-to-cell, cell-to-string, string-to-cell, and string-to-string with a relatively fast balancing speed.

Suggested Citation

  • Zhengyu Xia & Xi Chen & Xingjiang Chi & Binxin Zhu & Lei Zhang & Yuehua Huang, 2024. "Active Equalization for Lithium-Iron Battery Pack Based on Reduced-Order Solving Strategy for the Hanoi Tower Problem," Energies, MDPI, vol. 17(12), pages 1-21, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:12:p:2806-:d:1410808
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