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Design of a Modular Battery Management System for Electric Motorcycle

Author

Listed:
  • Hung-Cheng Chen

    (Prospective Technology of Electrical Engineering and Computer Science, National Chin-Yi University of Technology, 57, Sec. 2, Chungshan Rd., Taiping District, Taichung 41107, Taiwan)

  • Shin-Shiuan Li

    (Prospective Technology of Electrical Engineering and Computer Science, National Chin-Yi University of Technology, 57, Sec. 2, Chungshan Rd., Taiping District, Taichung 41107, Taiwan)

  • Shing-Lih Wu

    (Department of Electrical Engineering, National Taitung Junior College, 911, Jhengci N. Rd., Taitung 95045, Taiwan)

  • Chung-Yu Lee

    (Department of Electrical Engineering, National Chin-Yi University of Technology, 57, Section 2, Chungshan Road, Taiping District, Taichung 41107, Taiwan)

Abstract

This paper proposes a modular battery management system for an electric motorcycle. The system not only can accurately measure battery voltage, charging current, discharging current, and temperature but also can transmit the data to the mixed-signal processor for battery module monitoring. Moreover, the system can control the battery balancing circuit and battery protection switch to protect the battery module charging and discharging process safety. The modular battery management system is mainly composed of a mixed-signal processor, voltage measurement, current measurement, temperature measurement, battery balancing, and protection switch module. The testing results show that the errors between the voltage value measured by the voltage measurement module and the actual value are less than 0.5%, about 1% under the conditions of different charging and discharging currents of 9 A and 18 A for the current measuring module, less than 1% for the temperature measurement module; and the battery balancing in the battery management system during the charging process. When the module is charged at 4.5 A for about 805 s, each cell of the battery has reached the balancing state. Finally, the testing results validate that the modular battery management system proposed in this paper can effectively manage the battery balancing of each cell in the battery module, battery module overcharge, over-discharge, temperature protection, and control.

Suggested Citation

  • Hung-Cheng Chen & Shin-Shiuan Li & Shing-Lih Wu & Chung-Yu Lee, 2021. "Design of a Modular Battery Management System for Electric Motorcycle," Energies, MDPI, vol. 14(12), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:12:p:3532-:d:574632
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    References listed on IDEAS

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    1. Rahmani, Fatemeh, 2018. "Electric Vehicle Charger Based on DC/DC Converter Topology," MPRA Paper 108310, University Library of Munich, Germany, revised 01 Jul 2018.
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    Cited by:

    1. Vitor Monteiro & Joao L. Afonso, 2022. "Power Electronics Technologies and Applicationsfor EV Battery Charging Systems," Energies, MDPI, vol. 15(3), pages 1-4, January.

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