超级电容器组单体电压的动态均衡  

Dynamic Voltage Balance of Cell in Ultra-capacitor in Series

作　　者：高云[1] 陈永真[1] 王春霞[2] 

机构地区：[1]辽宁工学院,辽宁121001 [2]阿尔派电子(中国)有限公司大连研发中心,116023

出　　处：《电源世界》2007年第3期45-47,44,共4页The World of Power Supply

摘　　要：本文针对超级电容器在串联中存在的问题,介绍了一种利用先进的高效率双向DC—DC变换技术,将多个双向推挽变换器通过一个多绕组的变压器实现相互耦合,应用多源激励变压器原理的超级电容器组单体电压的动态均衡电路,通过能量的耦合,实现了串联超级电容器组单体电压的实时动态均衡,使超级电容器组延长有效使用寿命,提高了超级电容器的工作可靠性。In according to the question that the ultraeapacitors occur in series, due to the difference of each cell capacitance etc produce over-charging and over-discharging which bring in effective lifetime lower than cell ultracapacitor remarkably, a dynamic voltage balancing circuit of cell voltage of ultracapacitors in series are proposed, which apply to advanced.high effective bi-directional DC-DC converter technology, put multi hi-directional push-pull converter through a multi winding transformer to achieve coupling, and apply to the principle of multi-sources exciting transformer,and achieve a dynamic voltage balancing of cell voltage of ultracapacitors in series every time through the energy coupling, prolong the lifetime of the ultracapacitors and improve the work reliability.

关 键 词：双向功率变换器 能量耦合 动态均压 

分 类 号：TM92[电气工程—电力电子与电力传动]