摘要
光伏系统最大功率点跟踪可降低光伏系统的功率损耗,使输出功率达到最优。建立了光伏电池的数学模型,分析了光伏电池的输出特性及光伏阵列在局部阴影下的输出特性。阐述了光伏电池的最大功率点跟踪控制方法的工作原理,归纳了各控制方法的改进方案及控制结果,以及局部阴影条件下的不足与改进方法。对各种控制方法进行了分析对比,做出总结和展望。
The maximum power point tracking of the photovoltaic system can reduce the power loss of the photovoltaic system and optimize the output power.Based on the existing theory,the paper establishes a mathematical model of photovoltaic cells,and analyzes the output characteristics of photovoltaic cells and the output characteristics of photovoltaic arrays under local shadows.The working principle of the maximum power point tracking control method for photovoltaic cells is expounded and analyzed.The improvement schemes and control results of each control method are summarized,as well as the deficiencies and improvement methods under local shadow conditions.The various control methods were analyzed and compared.Finally,make a summary and prospect.
作者
付子义
张字远
FU Zi-yi;ZHANG Zi-yuan(College of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo Henan454000,China)
出处
《电源技术》
CAS
北大核心
2019年第12期2067-2069,2073,共4页
Chinese Journal of Power Sources
基金
国家重点研发计划专项资助(2016YFC0600906)
关键词
光伏发电
最大功率点跟踪
局部阴影
算法优化
photovoltaic power generation
maximum power point tracking
partial shading
algorithm to optimize
