Improved Active Cell Balancing Approach Based on State of Charge for Lithium Iron Phosphate Batteries

被引：0
|
作者：
Cui, Xiudong [1 ]
Shen, Weixiang [1 ]
Zhang, Yunlei [2 ]
Hu, Cungang [2 ]
机构：
[1] Swinburne Univ Technol, Fac Sci Engn & Technol, Hawthorn, Vic 3122, Australia
[2] Anhui Univ, Dept Elect Engn, Hefei, Anhui, Peoples R China
来源：
PROCEEDINGS OF THE 2018 13TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA 2018) | 2018年
基金：
澳大利亚研究理事会;
关键词：
Electric Vehicles; Battery Pack Equalizer; Balancing performance; EQUALIZER; CONVERTER;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the improved active cell balancing approach based on state of charge (SOC) is proposed to equalize cells in a battery pack, targeting to complete cell equalization in charging process. A battery equivalent circuit model (ECM) is used to represent a battery with experimental verification. Based on the state space equation derived from the battery ECM, a hybrid extended Kalman filter is applied to dynamically estimate cell SOCs with only one additional current sensor required to calculate current of each cell. Simulation results show that the proposed approach can charge more capacity to battery pack than terminal voltage based approaches.
引用
收藏
页码：389 / 394
页数：6
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