Control Strategy for Active Hierarchical Equalization Circuits of Series Battery Packs
Most series battery active equalization circuits implement the equalization first within the series and then between the series, which restricts the equilibrium speed. A hierarchical equalization circuit topology based on the Buck-Boost module is applied in this paper. The equalization is divided in...
Main Authors: | , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
MDPI AG
2019-05-01
|
Series: | Energies |
Subjects: | |
Online Access: | https://www.mdpi.com/1996-1073/12/11/2071 |
_version_ | 1811263035370635264 |
---|---|
author | Xiaogang Wu Zhihao Cui Xuefeng Li Jiuyu Du Ye Liu |
author_facet | Xiaogang Wu Zhihao Cui Xuefeng Li Jiuyu Du Ye Liu |
author_sort | Xiaogang Wu |
collection | DOAJ |
description | Most series battery active equalization circuits implement the equalization first within the series and then between the series, which restricts the equilibrium speed. A hierarchical equalization circuit topology based on the Buck-Boost module is applied in this paper. The equalization is divided into two different equalization processes according to the equilibrium energy flow. The two equalization processes can be performed simultaneously, and the currents in the different hierarchical circuits do not affect each other, thus achieving simultaneous equalizations within the series and between the series. An equalization condition of the terminal voltage is applied and simulations and experiments on charge, discharge, and static equalizations in the four series-connected ternary lithium-ion batteries are performed. |
first_indexed | 2024-04-12T19:37:42Z |
format | Article |
id | doaj.art-654db899c3ce49d8a15e530e7de96c2a |
institution | Directory Open Access Journal |
issn | 1996-1073 |
language | English |
last_indexed | 2024-04-12T19:37:42Z |
publishDate | 2019-05-01 |
publisher | MDPI AG |
record_format | Article |
series | Energies |
spelling | doaj.art-654db899c3ce49d8a15e530e7de96c2a2022-12-22T03:19:10ZengMDPI AGEnergies1996-10732019-05-011211207110.3390/en12112071en12112071Control Strategy for Active Hierarchical Equalization Circuits of Series Battery PacksXiaogang Wu0Zhihao Cui1Xuefeng Li2Jiuyu Du3Ye Liu4School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, ChinaSchool of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, ChinaSchool of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, ChinaState Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, ChinaSchool of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, ChinaMost series battery active equalization circuits implement the equalization first within the series and then between the series, which restricts the equilibrium speed. A hierarchical equalization circuit topology based on the Buck-Boost module is applied in this paper. The equalization is divided into two different equalization processes according to the equilibrium energy flow. The two equalization processes can be performed simultaneously, and the currents in the different hierarchical circuits do not affect each other, thus achieving simultaneous equalizations within the series and between the series. An equalization condition of the terminal voltage is applied and simulations and experiments on charge, discharge, and static equalizations in the four series-connected ternary lithium-ion batteries are performed.https://www.mdpi.com/1996-1073/12/11/2071series battery packsactive hierarchical equalizationcontrol strategy |
spellingShingle | Xiaogang Wu Zhihao Cui Xuefeng Li Jiuyu Du Ye Liu Control Strategy for Active Hierarchical Equalization Circuits of Series Battery Packs Energies series battery packs active hierarchical equalization control strategy |
title | Control Strategy for Active Hierarchical Equalization Circuits of Series Battery Packs |
title_full | Control Strategy for Active Hierarchical Equalization Circuits of Series Battery Packs |
title_fullStr | Control Strategy for Active Hierarchical Equalization Circuits of Series Battery Packs |
title_full_unstemmed | Control Strategy for Active Hierarchical Equalization Circuits of Series Battery Packs |
title_short | Control Strategy for Active Hierarchical Equalization Circuits of Series Battery Packs |
title_sort | control strategy for active hierarchical equalization circuits of series battery packs |
topic | series battery packs active hierarchical equalization control strategy |
url | https://www.mdpi.com/1996-1073/12/11/2071 |
work_keys_str_mv | AT xiaogangwu controlstrategyforactivehierarchicalequalizationcircuitsofseriesbatterypacks AT zhihaocui controlstrategyforactivehierarchicalequalizationcircuitsofseriesbatterypacks AT xuefengli controlstrategyforactivehierarchicalequalizationcircuitsofseriesbatterypacks AT jiuyudu controlstrategyforactivehierarchicalequalizationcircuitsofseriesbatterypacks AT yeliu controlstrategyforactivehierarchicalequalizationcircuitsofseriesbatterypacks |