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Volume 12
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10.3390/en12244764
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Article

A Novel Lithium Battery Equalization Circuit with Any Number of Inductors

by
Chusheng Lu
1,2,
Longyun Kang
1,2,*,
Xuan Luo
1,2,
Jinqing Linghu
1,2 and
Hongye Lin
1,2
1
New Energy Research Center, School of Electric Power, South China University of Technology, Guangzhou 510640, China
2
Guangdong Key Laboratory of Clean Energy Technology, School of Electric Power, South China University of Technology, Guangzhou 510640, China
*
Author to whom correspondence should be addressed.
Energies 2019, 12(24), 4764; https://doi.org/10.3390/en12244764
Submission received: 4 November 2019 / Revised: 6 December 2019 / Accepted: 11 December 2019 / Published: 13 December 2019
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Abstract

Even with the same voltage level, different types of battery packs have different requirements for the volume of the battery equalization circuit. However, most equalization circuits have the same problem: the volume of the equalization circuit is fixed once the voltage level of the battery pack is determined. In order to solve this problem, this paper proposes a novel lithium battery equalization circuit with any number of inductors (ECANI). It can select any number of inductors less than half the number of batteries, even when the voltage level of the battery pack is determined. Simulation and experiments are used to verify the performance of the equalization circuit. The current error and the average final voltage error in the experiment are 1.69% and 0.33% lower than those in the simulation, respectively. So the circuit can achieve equalization with good accuracy.
Keywords: lithium battery; equalization circuit; inductor; volume lithium battery; equalization circuit; inductor; volume
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MDPI and ACS Style

Lu, C.; Kang, L.; Luo, X.; Linghu, J.; Lin, H. A Novel Lithium Battery Equalization Circuit with Any Number of Inductors. Energies 2019, 12, 4764. https://doi.org/10.3390/en12244764

AMA Style

Lu C, Kang L, Luo X, Linghu J, Lin H. A Novel Lithium Battery Equalization Circuit with Any Number of Inductors. Energies. 2019; 12(24):4764. https://doi.org/10.3390/en12244764

Chicago/Turabian Style

Lu, Chusheng, Longyun Kang, Xuan Luo, Jinqing Linghu, and Hongye Lin. 2019. "A Novel Lithium Battery Equalization Circuit with Any Number of Inductors" Energies 12, no. 24: 4764. https://doi.org/10.3390/en12244764

APA Style

Lu, C., Kang, L., Luo, X., Linghu, J., & Lin, H. (2019). A Novel Lithium Battery Equalization Circuit with Any Number of Inductors. Energies, 12(24), 4764. https://doi.org/10.3390/en12244764

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