摘要
研究了光伏电池的输出特性,讨论了光伏发电系统最大功率点跟踪常用控制方法的优缺点。分析了光伏电池的功率电压曲线,提出将变结构参数模糊控制应用到光伏发电系统MPPT控制中,能够快速响应外界条件的变化,在最大功率点无明显的震荡。试验结果表明,控制方法能使系统稳定工作在最大功率点,并且可快速跟踪外界环境变化,具有较好的动态和稳态性能。
According to the equivalent model of the photovaltaic（PV） cell,the output characteristics of the PV cell was studied.The advantages and disadvantages about the methods for maximum power point tracking were discussed.According to the power voltage characteristics,a novel variable structure and parameters fuzzy control method was introduced for of photovoltaic generation system which can track the maximum power of the PV cell rapidly and without obvious shock.The experimental results show it can track with good dynamic and static performances.
出处
《低压电器》
北大核心
2011年第22期23-26,31,共5页
Low Voltage Apparatus
关键词
光伏发电
模糊控制
最大功率点跟踪
变结构参数
photovltaic generation
fuzzy control
maximum power point tracking（MPPT）
variable parameters
