钟志贤,顾红灿,赵安东

• 1:桂林理工大学广西矿冶与环境科学实验中心
• 2:桂林理工大学机械与控制工程学院

摘要(Abstract)：

针对电池组单体电池性能不一致会导致电池性能下降和寿命缩短的问题,提出一种基于均衡方法的集中式变压器电池组均衡电路。采用Buck-Boost电路均衡法与集中式变压器均衡法相结合,通过分层均衡策略实现单体电池间能量转移的双向均衡目标,采用RCD保护电路降低集中式变压器均衡电路中开关管两端的电压,以减缓开关管的损耗和保护开关管,进一步建立了电池均衡电路的数学模型并进行了仿真分析。研究结果表明,集中式变压器电池组均衡电路在能效率方面优于传统的Buck-Boost均衡电路。

关键词(KeyWords)： 锂离子电池;电池组;分层均衡;集中式变压器;Buck-Boost电路均衡法;RCD保护电路

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51565009);; 广西自然科学基金(2015GXNSFAA139272)~~

作者(Author): 钟志贤,顾红灿,赵安东

DOI: 10.16652/j.issn.1004-373x.2018.04.035

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