An improved slime mould algorithm based MPPT strategy for multi-peak photovoltaic system

被引:3
|
作者
Dong M. [1 ]
Hu J.-S. [1 ]
Yang J. [1 ]
Song D.-R. [1 ]
Wan J.-H. [1 ]
机构
[1] The College of Automation, Central South University, Changsha
基金
中国国家自然科学基金;
关键词
Lévy flight; maximum power point tracking; partial shading condition; photovoltaic system; slime mold optimization algorithm;
D O I
10.7641/CTA.2022.11268
中图分类号
学科分类号
摘要
When the photovoltaic array is under partial shading condition, the traditional maximum power point tracking strategy is easy to fall into the local optimal solution and reduce power generation efficiency of the photovoltaic system. In order to solve this problem, a maximum power point tracking strategy based on the improved slime mould algorithm is proposed in this paper. The algorithm changes the boundary conditions of slime mould optimization algorithm based on the characteristics of photovoltaic array, which improves the tracking speed of the algorithm. Meanwhile it used the Lévy flight to improve the convergence criterion of slime mould optimization algorithm, which can improve the random search ability of the algorithm, and further improve the tracking speed of the algorithm. The simulation and experimental results show that the proposed strategy has quickly tracking speed and tracking accuracy, and can quickly track the maximum power point under various lighting conditions and effectively improve the power generation efficiency of the photovoltaic system. © 2023 South China University of Technology. All rights reserved.
引用
收藏
页码:1440 / 1448
页数:8
相关论文
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