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Article

Design of a Modular Battery Management System for Electric Motorcycle

1
Prospective Technology of Electrical Engineering and Computer Science, National Chin-Yi University of Technology, 57, Sec. 2, Chungshan Rd., Taiping District, Taichung 41107, Taiwan
2
Department of Electrical Engineering, National Taitung Junior College, 911, Jhengci N. Rd., Taitung 95045, Taiwan
3
Department of Electrical Engineering, National Chin-Yi University of Technology, 57, Section 2, Chungshan Road, Taiping District, Taichung 41107, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editors: João L. Afonso and Vítor Monteiro
Energies 2021, 14(12), 3532; https://doi.org/10.3390/en14123532
Received: 29 April 2021 / Revised: 9 June 2021 / Accepted: 12 June 2021 / Published: 14 June 2021
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. View Full-Text
Keywords: lithium-ion battery; battery balancing; modular battery management system; temperature protection lithium-ion battery; battery balancing; modular battery management system; temperature protection
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MDPI and ACS Style

Chen, H.-C.; Li, S.-S.; Wu, S.-L.; Lee, C.-Y. Design of a Modular Battery Management System for Electric Motorcycle. Energies 2021, 14, 3532. https://doi.org/10.3390/en14123532

AMA Style

Chen H-C, Li S-S, Wu S-L, Lee C-Y. Design of a Modular Battery Management System for Electric Motorcycle. Energies. 2021; 14(12):3532. https://doi.org/10.3390/en14123532

Chicago/Turabian Style

Chen, Hung-Cheng, Shin-Shiuan Li, Shing-Lih Wu, and Chung-Yu Lee. 2021. "Design of a Modular Battery Management System for Electric Motorcycle" Energies 14, no. 12: 3532. https://doi.org/10.3390/en14123532

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