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http://dx.doi.org/10.21289/KSIC.2022.25.3.451

Battery Balancing Method using 2-Switch Flyback Converter  

Kim, Woo-Joon (Dept. of Electrical Engineering, Chonnam National University)
Kim, Ui-Jin (Dept. of Electrical Engineering, Chonnam National University)
Park, Seong-Mi (Dept. of Lift Engineering, Korea Lift College)
Park, Sung-Jun (Dept. of Electrical Engineering, Chonnam National University)
Son, Gyung-Jong (Dept. of Electrical Engineering, Chonnam National University)
Publication Information
Journal of the Korean Society of Industry Convergence / v.25, no.3, 2022 , pp. 451-459 More about this Journal
Abstract
Recently, in accordance with the demand for a large capacity of a secondary battery according to an increase in the demand for energy storage devices, a modular series battery configuration is essential. Accordingly, various cell balancing techniques have been proposed to prevent high efficiency and performance degradation of the battery. In this paper, propose a battery voltage balancing topology consisting of a flyback DC/DC converter type of a SIMO (Single-Input-Multiple Output) two-switch configuration for a series battery configuration. The proposed topology shows a structure in which a DC/DC converter connected to each module and a battery cell share one transformer. The topology cell balancing operation is a principle in which the voltage balancing converter of the battery converges to the same value through a transformer that shares a magnetic flux with the cells constituting the module through a single high-frequency transformer. In this paper, the dynamic characteristics analysis of the proposed circuit using PSIM was based and it was verified through experiments on one module.
Keywords
Battery Cell Balancing; Flyback DC/DC Converter; SIMO(Single-Input-Multiple Output); SOH(State of Health);
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Times Cited By KSCI : 3  (Citation Analysis)
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