新型反射式双面光伏板对日跟踪装置设计

Research on the Design of a New Panel Automatic Solar Tracker based on Reflective Double-Sided Photovoltaic

文章设计了一种基于新型光敏传感器和改进型PSO算法的双面光伏组件对日跟踪装置,该装置可从太阳能吸收最大化和功率输出最大化两个方面实现光电转化效率的提升。结合反射器和正、反面传感器暗盒采集的光敏信号,以STM32单片机及其外围电路为主控单元,采用低频唤醒和无线通信技术,可实现低功耗下双面光伏板的双精度双轴跟踪和信息采集;通过研究双面光伏板的电路模型和输出特性,采用改进型粒子群算法进行多峰值情况下最大功率点的追踪。试验证明,设计实现的装置光伏跟踪效果理想,双轴跟踪误差在1.59°以内,实现了快速、有效的最大功率输出。

This article designs a double-sided photovoltaic automatic solar tracker based on a new type of photosensitive sensor and an improved PSO algorithm,which can boost the photoelectric conversion efficiency through maximizing solar energy absorption and maximizing power output.According to the photosensitive signals collected by reflectors and front and back sensor cartridges,and with the STM32 micro-controller and its peripheral circuits as the main control unit,low-frequency wake-up and wireless communication technology can realize dual-precision dual-axis tracking and information acquisition under low power consumption;By studying the circuit model and output characteristics,an improved particle swarm optimization algorithm is adopted to track the maximum power point under multi peak conditions.Experimental results have shown that the effect of the device is ideal,with a biaxial tracking error of within 1.59 °,achieving fast and effective maximum power output.