Active equalization device and method of series lithium ion capacitor system

The invention relates to an active equalization device and method for a series lithium ion capacitor system, and the device comprises two-stage module equalization circuits and a fuzzy controller which is connected with the two-stage module equalization circuits and is used for adjusting the equalization current, and each two-stage module equalization circuit comprises a plurality of independent first-stage capacitor single equalization circuits. Compared with the prior art, the method has the advantages of independent two-stage equalization, improvement of equalization precision and the like. 本发明涉及一种串联锂离子电容器系统的主动均衡装置及方法，该装置包括二级模块均衡电路以及与二级模块均衡电路连接用以调节均衡电流的模糊控制器，每个二级模块均衡电路内包括多个相互独立的一级电容单体均衡电路，与现有技术相比，本发明具有独立二级均衡、提高均衡精度等优点。