一种基于推挽变换器的模块化电池均衡电路

doi:10.19595/j.cnki.1000-6753.tces.170659

Abstract
Figure/Table
References
Related Citation (15)

Download: PDF (60201 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract Overcharge and over-discharge of batteries may result in shorter lifetime and higher potential of security risk when they are connected in series to meet load voltage requirements. Therefore, equalization circuits are required for a series-connected battery string to eliminate individual difference among batteries in the battery pack. In this paper, a modularized equalizer based on push-pull converter is proposed. The proposed equalizer circuit can transfer energy from high voltage batteries to low voltage batteries directly to shorten the transmission path under synchronous control. Besides, it eliminates the magnetic coupling effects caused by multi-winding transformer and increases the circuit expansibility. In this paper, operating principles of the proposed circuit are analyzed. The performance comparisons with existing equalizer circuits are carried out. Finally, the theoretical analysis results are verified by experimental results.

Key words： Modularization synchronous control equalizer circuit push-pull converter

Received: 11 May 2017 Published: 27 July 2018

PACS:

TM911

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	Liu Qianyi
	Xu Shungang
	Xu Jianping
	Li Xiaolong
	Qin Fuban

Cite this article:

Liu Qianyi,Xu Shungang,Xu Jianping等. A Modularized Equalizer for Series-Connected Batteries Based on Push-Pull Converter[J]. Transactions of China Electrotechnical Society, 2018, 33(14): 3213-3221.

URL:

https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.170659 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I14/3213

[1] 冯飞, 宋凯, 逯仁贵, 等. 磷酸铁锂电池组均衡控制策略及荷电状态估计算法[J]. 电工技术学报, 2015, 30(1): 22-29.
Feng Fei, Song Kai, Lu Rengui, et al.Equalization control strategy and SOC estimation for LiFePO₄ battery pack[J]. Transactions of China Electro- technical Society, 2015, 30(1): 22-29.
[2] 徐顺刚, 王金平, 许建平. 一种延长电动汽车蓄电池寿命的均衡充电控制策略[J]. 中国电机工程学报, 2012, 32(3): 43-48.
Xu Shungang, Wang Jinping, Xu Jianping.An equalizing charge control strategy to extend battery cycle life for electric vehicles[J]. Proceedings of the CSEE, 2012, 32(3): 43-48.
[3] Chen Min, Zhang Zhe, Feng Zhuomin, et al.An improved control strategy for the charge equalization of lithium ion battery[C]//24th Annual IEEE Applied Power Electronics Conference and Exposition, Washington, 2009: 186-189.
[4] Cao Jian, Nigel Schofield, Ali Emadi.Battery balancing methods: a comprehensive review[C]// IEEE Vehicle Power and Propulsion Conference, Harbin, 2008: 1-6.
[5] Baughman A C, Mehdi Ferdowsi M.Double-tiered switched-capacitor battery charge equalization technique[J]. IEEE Transactions on Power Elec- tronics, 2014, 55(6): 2277-2285.
[6] Kim M Y, Kim C H, Kim J H, et al.A chain structure of switched capacitor for improved cell balancing speed of lithium-ion batteries[J]. IEEE Transactions on Industrial Electronics, 2014, 61(8): 3989-3999.
[7] Hsieh Y C, Cai Z X, Wu W Z.Switched-capacitor charge equalization circuit for series-connected batteries[C]//IEEE 2nd Annual Southern Power Electronics Conference (SPEC), Auckland, 2014: 429-432.
[8] 吕航, 刘承志, 尹栋, 等. 深海动力磷酸铁锂电池组均衡方案设计优化[J]. 电工技术学报, 2016, 31(19): 232-238.
Lü Hang, Liu Chengzhi, Yin Dong, et al.Design on balancing circuits for LiFePO₄ battery stacks in electric vehicle[J]. Transactions of China Electro- technical Society, 2016, 31(19): 232-238.
[9] Thanh Hai Phung, Alexandre Collet, Jean-Christophe Crebier.An optimized topology for next-to-next balancing of series-connected lithium-ion cells[J]. IEEE Transactions on Power Electronics, 2014, 29(9): 4603-4613.
[10] Kim M Y, Kim J H, Moon G W.Center-cell concentration structure of a cell-to-cell balancing circuit with a reduced number of switches[J]. IEEE Transactions on Power Electronics, 2014, 29(10): 5285-5297.
[11] Park S H, Park K B, Kim H S, et al.Single-magnetic cell-to-cell charge equalization converter with reduced number of transformer windings[J]. IEEE Transactions on Power Electronics, 2012, 27(6): 2900-2911.
[12] 李海东. 超级电容器模块化技术的研究[D]. 北京:中国科学院电工研究所, 2006.
[13] 刘红锐, 张昭怀. 锂离子电池组充放电均衡器及均衡策略[J]. 电工技术学报, 2015, 30(8): 186-192.
Liu Hongrui, Zhang Zhaohuai.The equalizer of charging and discharging and the balancing strategies for lithium-ion battery pack[J]. Transactions of China Electrotechnical Society, 2015, 30(8): 186-192.
[14] Park S H, Kim T S, Park J S, et al.A new battery equalizer based on Buck-Boost topology[C]//7th International Conference on Power Electronics, Daegu, 2007: 962-965.
[15] Markus Einhorn, Werner Roessler, Juergen Fleig.Improved performance of serially connected Li-ion with active cell balancing in electric vehicles[J]. IEEE Transactions on Vehicular Technology, 2011, 60(6): 2448-2457.
[16] 徐顺刚. 分布式供电系统中储能电池均衡管理及逆变控制技术研究[D]. 成都: 西南交通大学, 2011.
[17] Imtiaz A M, Khan F H.“Time shared flyback converter” based regenerative cell balancing technique for series connected Li-ion battery strings[J]. IEEE Transactions on Power Electronics, 2013, 28(12): 5960-5975.
[18] Chen Yang, Liu Xiaofang, Cui Yangyi, et al.A multi-winding transformer cell-to-cell active equali- zation method for lithium-ion batteries with reduced number of driving circuits[J]. IEEE Transactions on Power Electronics, 2016, 31(7): 4916-4929.
[19] Xu Aiguo, Xie Shaojun, Liu Xiaobao.Dynamic voltage equalization for series-connected ultracapa- citors in EV/HEV applications[J]. IEEE Transactions on Vehicular Technology, 2009, 58(8): 3981-3987.
[20] Shen Hanxin, Zhu Wenlong, Chen Wenxiang.Charge equalization using multiple winding magnetic model for lithium-ion battery string[C]//Asia-Pacific Power and Energy Engineering Conference, Chengdu, 2010: 28-31.
[21] Masatoshi Uno, Akio Kukita.Single-switch single- transformer cell voltage equalizer based on forward- flyback resonant inverter and voltage multiplier for series-connected energy storage cells[J]. IEEE Transactions on Vehicular Technology, 2014, 63(9): 4232-4247.
[22] Masatoshi Uno, Koji Tanaka.Double-switch single- transformer cell voltage equalizer using a half-bridge inverter and a voltage multiplier for series-connected supercapacitors[J]. IEEE Transactions on Vehicular Technology, 2012, 61(9): 3920-3930.
[23] Masatoshi Uno, Akio Kukita.Double-switch equalizer using parallel-or series-parallel-resonant inverter and voltage multiplier for series-connected supercapacitors[J]. IEEE Transactions on Power Electronics, 2014, 29(2): 812-828.