光伏系统发电效率提升方法研究  

作　　者：张光龙 

机构地区：[1]桂林电子科技大学电子工程与自动化学院,广西桂林541004

出　　处：《科技创新与应用》2021年第4期143-146,共4页Technology Innovation and Application

摘　　要：为了提高光伏发电中太阳能的转化率,文章从太阳自动跟踪和最大功率跟踪两个方面展开研究。首先对太阳的追光策略进行优化,然后提出了基于功率预测的恒压启动变步长扰动观测法,使光伏系统精准跟踪太阳的同时保持最大功率输出,进一步提高了光伏系统的发电效率。In order to improve the conversion rate of solar energy in photovoltaic power generation,this paper conducts research from two aspects:automatic sun tracking and maximum power tracking.First,the sun tracking strategy is optimized,and then a constant voltage start variable step disturbance observation method based on power prediction is proposed,thus enabling the photovoltaic system to accurately track the sun while maintaining the maximum power output,and further improving the power generation efficiency of the photovoltaic system.

关 键 词：光伏发电 太阳自动跟踪 MPPT 电路设计仿真 

分 类 号：TM914.4[电气工程—电力电子与电力传动]