游国栋;李继生;侯勇;崔尚文;

• 1:天津科技大学电子信息与自动化学院

摘要(Abstract)：

为了优化利用大型光伏发电系统的阵列组件,设计了一个改进的多元结构部分遮挡光伏系统数学模型。采用一个集中的最大功率点跟踪(maximum power point tracking,MPPT)控制器,在Matlab环境下进行建模仿真,证明该多元结构的光伏系统数学模型可以优化系统结构,节约设备,降低成本。为了提高最大功率点的跟踪准确度和速度,提出了一种基于改进的粒子群优化算法(particle swarm optimization,PSO)的最大功率点跟踪方法,并进行建模仿真和实验,与扰动观察法(perturbation and observation,PO)的性能指标和输出波形图对比,验证改进的粒子群优化算法对最大功率点具有更快的跟踪速度,避免在最大功率点附近产生振荡。

关键词(KeyWords)： 光伏发电系统;部分遮蔽;最大功率点跟踪;多元结构;粒子群优化算法

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(60771014);; 天津市应用基础与前沿技术研究计划(自然科学基金重点项目)(13JCZDJC29100)~~

作者(Author): 游国栋;李继生;侯勇;崔尚文;

Email:

DOI: 10.13335/j.1000-3673.pst.2013.11.013

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