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Balancing Control Strategy for Li-Ion Batteries String Based on Dynamic Balanced Point

Author

Listed:
  • Dong-Hua Zhang

    (School of Information Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China)

  • Guo-Rong Zhu

    (School of Automation, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China)

  • Shao-Jia He

    (School of Automation, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China)

  • Shi Qiu

    (School of Automation, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China)

  • Yan Ma

    (Wuhan Zhongyuan Electronic Information Company, Luoyu East Road 6, Wuhan 430074, China)

  • Qin-Mu Wu

    (The Electrical Engineering College, Guizhou University, Huaxi, Guiyang 550025, China)

  • Wei Chen

    (School of Automation, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, China)

Abstract

The Li-ion battery is becoming the optimal choice for the Electric Vehicle’s (EV) power supply. In order to protect the Li-ion battery from charging damage and to prolong the battery’s life, a special control strategy based on the dynamic balanced point along with a non-dissipative equalizer is presented. The main focus of the proposed control strategy is to insure that the individual cell of a battery pack will be rapidly, efficiently and simultaneously balanced, by adjusting equalizing current of each cell dynamically. In this paper, a model of a four series connected Li-ion batteries pack has been established to evaluate the proposed control strategy. Superior performance is demonstrated by the simulation and experiment.

Suggested Citation

  • Dong-Hua Zhang & Guo-Rong Zhu & Shao-Jia He & Shi Qiu & Yan Ma & Qin-Mu Wu & Wei Chen, 2015. "Balancing Control Strategy for Li-Ion Batteries String Based on Dynamic Balanced Point," Energies, MDPI, vol. 8(3), pages 1-18, March.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:3:p:1830-1847:d:46376
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    Citations

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    Cited by:

    1. Shing-Lih Wu & Hung-Cheng Chen & Chih-Hsuan Chien, 2019. "A Novel Active Cell Balancing Circuit and Charging Strategy in Lithium Battery Pack," Energies, MDPI, vol. 12(23), pages 1-17, November.
    2. Das, Utpal Kumar & Shrivastava, Prashant & Tey, Kok Soon & Bin Idris, Mohd Yamani Idna & Mekhilef, Saad & Jamei, Elmira & Seyedmahmoudian, Mehdi & Stojcevski, Alex, 2020. "Advancement of lithium-ion battery cells voltage equalization techniques: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    3. Yuanmao Ye & Ka Wai Eric Cheng, 2016. "An Automatic Switched-Capacitor Cell Balancing Circuit for Series-Connected Battery Strings," Energies, MDPI, vol. 9(3), pages 1-15, February.
    4. Shun-Chung Wang & Chun-Yu Liu & Yi-Hua Liu, 2018. "A Fast Equalizer with Adaptive Balancing Current Control," Energies, MDPI, vol. 11(5), pages 1-15, April.

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