广西科技大学学报2025，Vol.36Issue(3)：68-75,115,9.DOI:10.16375/j.cnki.cn45-1395/t.2025.03.009
光伏储能系统中交错并联Boost变换器的优化模糊PI控制研究
Research on optimized fuzzy PI control of staggered parallel Boost converter in photovoltaic energy storage system
摘要
Abstract
The DC-DC(DC/DC)converters used in photovoltaic energy storage systems have higher and higher requirements for response speed,input fluctuation and adaptability to working condition changes.The conventional fuzzy PI control design of interleaving and parallel Boost converter mainly relies on manual experience,and there are still problems of poor stability and dynamic effect in high-power application scenarios.Therefore,a sparrow search algorithm(SSA)was proposed to optimize fuzzy PI control.The optimization method was used in the control strategy of the staggered parallel Boost converter.Taking the time and system error and the derivative of the error as the objective function,the proportional integration parameters of the system can be optimized according to different working conditions of the system,and the problems such as DC bus voltage instability/slow response speed in the photovoltaic energy storage system can be solved.The simulation model was established by MATLAB/Simlink and compared with the conventional fuzzy PI control method.Simulation results show that the fuzzy PI controller optimized by SSA algorithm makes the converter system have better dynamic response and stability in complex application environment.关键词
交错并联技术/Boost变换器/模糊PI控制/SSA算法Key words
interleaving parallel technology/Boost converter/fuzzy PI control/SSA algorithm分类
能源与动力引用本文复制引用
仲其达,罗文广..光伏储能系统中交错并联Boost变换器的优化模糊PI控制研究[J].广西科技大学学报,2025,36(3):68-75,115,9.基金项目
国家自然科学基金项目(61563006)资助 （61563006）
