基于2型模糊逻辑系统的单相并网交互式光伏系统

2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI:10.1109/ICRERA.2012.6477335

N. Altin

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引用次数: 14

摘要

本文对单相并网交互光伏系统进行了仿真研究。该系统由最大功率点跟踪升压变换器和电网交互电压源逆变器组成。采用区间2型模糊控制器对光伏阵列的最大功率点进行跟踪。光伏供电的直流电转化为交流电，通过电压源并网交互逆变器输入电网。采用PI电流控制器生成电网交互逆变器的开关模式。LCL型滤波器在逆变器的输出端用于滤波开关噪声。通过MATLAB/Simulink进行仿真研究。仿真结果表明，所提出的最大功率点跟踪算法具有快速的瞬态响应，特别适用于快速变化的环境条件。逆变器输出电流与线路电压相符合，电流谐波在国际标准限值内(>5%)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Single phase grid interactive PV system with MPPT capability based on type-2 fuzzy logic systems

In this study, simulation of the single phase grid interactive photovoltaic system is proposed. The proposed system consists of a maximum power point tracking boost converter and a grid interactive voltage source inverter. Interval type-2 fuzzy logic controller is used to track the maximum power point of photovoltaic arrays. Photovoltaic supplied DC electric energy is inverted to AC and imported to the grid via voltage source grid interactive inverter. PI current controller was used for the production of switching pattern of the grid interactive inverter. LCL type filter is used at the output of the inverter to filter switching noise. Simulation studies are carried out by MATLAB/Simulink. The simulation results show that, proposed maximum power point tracking algorithm has fast transient response and it is especially suitable for fast changing environmental conditions. Also inverter output current is in phase with line voltage and current harmonics of the inverter is in the limits of international standards (>5%).

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2012 International Conference on Renewable Energy Research and Applications (ICRERA)

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