超级电容器储能系统电压均衡模块研究

Research on Voltage Equalization Module in Super Capacitor Energy Storage System

此处研究和设计了一种超级电容均衡模块,用于减少甚至消除超级电容器模块之间存在的电压不均衡,以此来有效提高超级电容器储能系统的电容容量利用率,并延长其寿命。模块采用一种新的采样及控制模式,避免了庞大的电压检测电路和复杂的控制电路,通过单片机控制均衡电流和均衡时间,能对均衡速度和时间有效的控制。系统还具备与上位机通讯的功能,可以根据上位机的命令来执行操作,更加灵活方便。此处具体分析了所研究均衡电路的结构和工作原理,论证了该电路的特点和优势。结合超级电容器储能系统的应用背景设计了电路,进行了实验研究,验证了这种电压均衡控制模块的可行性。

A kind of super capacitor balancing module is researched and designed.It can reduce or even eliminate the super capacitor voltage umbalance between modules, and effectively improve the utilization rate of capacitance of the su- per capacitor energy storage system,and extend its life.Module adopts a new sampling and control mode to avoid the large voltage detection circuit and complex control circuit.It can effectively control equilibrium current and equilibrium time through the single-chip microcomputer.System also have the function that communicates with the upper,can per- form actions according to the command of upper, and be more flexible and convenient.The research is analyzed by bal- anced circuit structure and working principle, the characteristics and advantages of the circuit are demonstrated.In com- bination with the application background of the super capacitor energy storage system circuit is designed, the experimen- tal study is done and the feasibility of this kind of voltage balancing control module is verified.