期刊文献+

基于模糊逻辑双环控制的光伏发电系统最大功率跟踪算法 被引量:24

The maximum power point tracking algorithm for photovoltaic power system based on fuzzy logic double loop control
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摘要 根据光伏阵列非线性伏安特性,提出了基于模糊逻辑双环控制光伏阵列最大功率跟踪算法,使得光伏阵输出功率接近于理论最大值。系统主要由单相逆变器、控制器和交流水泵机组组成,主控制环实现光伏阵列最大功率跟踪初级模糊控制算法,输出为最大功率点处电压。该电压作为逆变控制器参考输入电压,内环模糊控制用于控制变频器输出频率,进一步控制交流水泵机组的输出功率,实现了更高精度的跟踪光伏阵列最大功率点跟踪。实验结果表明,所提出算法能有效提高光伏阵列的输出效率。 According to non-linear characteristic of photovoltaic array,t his paper proposes a method of maximum power point tracking algorithm based on fuzzy logic double loop control for photovoltaic power systems,which makes the output power of photovoltaic array approach to the theoretical maximum value.T he system is composed of a simple phase inverter,c ontroller and AC pump unit.Main controller loop implements primary fuzzy logic controll algorithm of maximum power point tracking,and it exports a voltage at the maximum power point.T his voltage is imported to inverter controller.The inner loop fuzzy controller is used in controlling inverter frequency to further controll the output power of AC motor pump and higher precision of maximum power point tracking is realized.Simulation and experimental results show that the proposed algorithm can effectively improve the efficiency of photovoltaic array output.
出处 《电力系统保护与控制》 EI CSCD 北大核心 2010年第21期215-218,226,共5页 Power System Protection and Control
基金 华北水利水电学院高层次人才科研启动基金项目(001285)
关键词 模糊逻辑 光伏发电 最大功率点 fuzzy logic photovoltaic power maximum power point tracking
作者简介 苏海滨(1964-),男,博士,教授,研究方向为电力电子技术及智能控制;E—mail:suhaibin2000@yahoo.com.cn 王光政(1965-),男,教授级高工,电力系统控制优化决策与仿真; 王继东(1969-),男,副教授,硕士,研究方向新能源发电并网技术。
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参考文献10

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二级参考文献10

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