基于移相策略的模块化锂电池均衡器

靳炜; 吴云亚; 刘爱忠; 阚加荣; 丁航; 郑阳

doi:doi:10.19912/j.0254-0096.tynxb.2024-1889

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基于移相策略的模块化锂电池均衡器

更新时间：2026-03-06

- 基于移相策略的模块化锂电池均衡器
- Vol. 47, Issue 2, Pages: 726-734(2026)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1889
  CLC： TN86
- Online First：05 March 2026，
  
  Published：05 March 2026
- 稿件说明：
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靳炜, 吴云亚, 刘爱忠, et al. 基于移相策略的模块化锂电池均衡器[J]. 2026, 47(2): 726-734.
DOI：

靳炜, 吴云亚, 刘爱忠, et al. 基于移相策略的模块化锂电池均衡器[J]. 2026, 47(2): 726-734. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1889.

摘要

针对常规电池均衡器在均衡多个电池组过程中存在能量转移路径长、均衡效率低、模块化程度弱等问题

提出一种基于半桥的可模块化锂电池均衡器。均衡器采用半桥均衡电路和多绕组变压器相结合的方式进行模块化

引入移相控制使得各电池单体电压实现快速均衡。首先

分析所提均衡器的工作原理

推导影响均衡器模块内和模块间电池单体能量转移的关键因素。其次

通过理论分析揭示不同移相比对均衡器有功功率的影响。最后

搭建仿真模型与实验平台

对两组8节串联锂电池进行均衡实验验证。仿真与实验结果显示

所提均衡器在均衡速度、均衡效率和可扩展性等方面

相较于其他均衡器均有显著提高。

Abstract

Aiming at the problems of long energy transfer path

low equalization efficiency and weak modularity of conventional battery equalizer in the process of equalizing multiple battery packs

this paper proposes a modular lithium battery equalizer based on half-bridge. The equalizer is modularized by combining a half-bridge equalization circuit and a multi-winding transformer

and the introduction of phase-shift control makes the voltage between each battery cell realize rapid equalization. Firstly

the working principle of the proposed equalizer is analyzed

and the key factors affecting the energy transfer of battery cells within and between equalizer modules are derived. Secondly

the effects of different shift ratios on the active power of the equalizer are revealed through theoretical analysis. Finally

a simulation model and an experimental platform are constructed

and the equalization experiments are conducted on two groups of eight series-connected lithium batteries. The simulation and experimental data verify the developed equalizer outperforms conventional methods in balancing speed

efficiency and scalability.

关键词

Keywords

references

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