工矿自动化2013，Vol.39Issue(1)：78-83,6.DOI:10.7526/j.issn.1671-251X.2013.01.021
MPPT算法与输入输出反馈线性化控制技术在光伏发电系统中的应用
Application of MPPT algorithm and input-output feedback linearization control technology in photovoltaic power system
张明光 1李鹏远 1谢雯洁 2李鹏飞3
作者信息
- 1. 兰州理工大学电气工程与信息工程学院,甘肃兰州 730050
- 2. 河南省电力公司平顶山供电公司,河南平顶山467000
- 3. 宝丰县电业局,河南宝丰467400
- 折叠
摘要
Abstract
In order to solve problems of slow tracking speed and poor accuracy of the maximum power point tracking technology such as fixed voltage method, incremental conductance method and so on used in photovoltaic power system at present, a variable step size incremental conductance algorithm was proposed. For controlling grid current and DC bus voltage of photovoltaic power system, a new method was design by use of input output feedback linearization control technology, which allows control of both power factor and DC bus voltage using the same control algorithm. The model of photovoltaic power system was established and simulated based on the variable step size incremental conductance algorithm and input-output feedback linearization control technology in Matlab/Simulink, and the results showed that using the input-output feedback linearization control technology to control inverter makes changes of solar irradiation and temperature do not affect power factor of power grid, and the variable step size incremental conductance improves dynamic and static performances of the photovoltaic power system and reduces the total harmonic distortion of current in the power grid.关键词
光伏发电系统/光伏逆变器/光伏阵列/最大功率点跟踪/MPPT/变步长电导增量法/输入输出反馈线性化Key words
photovoltaic power system/ photovoltaic inverter/ photovoltaic array/ maximum power point tracking/ MPPT/ variable step size incremental conductance algorithm/ input-output feedback linearization分类
矿业与冶金引用本文复制引用
张明光,李鹏远,谢雯洁,李鹏飞..MPPT算法与输入输出反馈线性化控制技术在光伏发电系统中的应用[J].工矿自动化,2013,39(1):78-83,6.
