基于Motorola单片机的太阳电池最大功率点追踪控制

Circuit controller of maximum power tracking of solar array

为了提高对太阳电池最大功率点的追踪控制效果,研究了太阳电池最大功率点追踪(MPPT)控制。研究了太阳电池的特性,对MPPT控制进行分析,选定了粒子群算法和电导增量法相结合作为控制策略,在此基础上进行Motorola单片机的设计,以此实现对太阳电池最大功率的追踪控制。仿真实验结果显示:在对太阳电池最大功率点进行追踪控制方面,该方法反应快速及时,系统输出功率稳定,实现了对太阳电池最大功率追踪控制,具有一定的应用前景。

In order to improve the tracking control effect of solar cell maximum power point,this paper studies the maximum power point tracking control(MPPT)of solar cell.Firstly,the characteristics of solar cells are studied,and then MPPT control is analyzed.The combination of particle swarm optimization algorithm and conductance addition method is selected as the control strategy in this paper.On this basis,Motorola MCU is designed to realize the tracking control of the maximum power of solar cells.The simulation results show that:in the tracking control of the maximum power point of the solar cell,the response of this method is fast and timely,the output power of the system is stable,and the maximum power tracking control of the solar cell is effectively realized,which has a certain application prospect.