Kyeung-cheol Bae, Seong-chon Choi, Ji-Hwan Kim, C. Won, Yong-Chae Jung
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引用次数: 36
Abstract
This paper proposes dynamic battery modeling for LiFePO4 battery simulator. LiFePO4 battery of Li-ion type battery has best characteristic in other type of batteries. So this paper describes LiFePO4 battery model for battery simulator. LiFePO4 battery's voltage waveform is non-linear and changed by transient load. So the shepherd model is applied to describe this non-linear waveform and thevenin battery model is applied to present characteristics of behavior corresponding to the changing of transient load. Also, in order to apply battery model to battery simulator, proposed battery model is converted to discrete time model. Parameters of proposed battery model are estimated in experimental. The proposed battery model is compared getting the voltage waveforms of the battery using experiment with simulation's waveforms is verified.
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