Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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超级电容器组双向主动均衡系统的研究

来源:电工电气发布时间:2016-08-01 15:01 浏览次数:6
超级电容器组双向主动均衡系统的研究
 
曹洪奎1,霍悦2,李玉宝1,黄国兴1,石小炜1
(1 辽宁工业大学 电子与信息工程学院,辽宁 锦州 121001;
2 国网辽宁省电力有限公司锦州供电公司,辽宁 锦州 121001)
 
    摘 要:介绍了一种采用反激式变换器技术的超级电容器组双向主动电压均衡系统。系统以单片机为控制核心,实时采集超级电容器组的单体电压,并根据单体电压数据驱动双向反激式变换器,在任一单节超级电容器与相邻的超级电容器组之间双向转移能量,实现双向主动均衡。实验结果表明,系统能够对超级电容器组进行有效的均衡,能量转移效率达到80% 以上。
    关键词:超级电容器组;双向主动均衡;反激式变换器;能量转移效率
    中图分类号:TM934.2     文献标识码:A     文章编号:1007-3175(2016)07-0005-04
 
Research on Bi-Directional Active Equalization System for
Super-Capacitor Stacks
 
CAO Hong-kui1, HUO Yue2, LI Yu-bao1, HUANG Guo-xing1, SHI Xiao-wei1
(1 School of Electronic & Information Engineering, Liaoning University of Technology, Jinzhou 121001, China;
2 Jinzhou Power Supply Company of State Grid Liaoing Electric Power Supply Co., Ltd, Jinzhou 121001, China)
 
    Abstract: Introduction was made to a kind of bi-directional active voltage equalization system for super-capacitor stacks with the flyback converter technology. The system with a microcontroller as the core collected monomer voltage of super-Capacitor stacks in real time, drove the bi-directional flyback converter according to the monomer voltage, and transferred energy in bi-direction between monomer super-capacitor and adjacent super-capacitor stacks to realize bi-directional active voltage equalization. The experiment results show that the system is able to equalize super-capacitor stacks more effectively and bi-directional energy transfer efficiency is above 80%.
    Key words: super-capacitor stack; bi-directional active equalization; flyback converter; energy transfer efficiency
 
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