基于改进蜉蝣算法的光伏多峰值最大功率跟踪特性研究

赵智勇; 李卫军; 郑秒; 朱运奇; 张翼

doi:10.19912/j.0254-0096.tynxb.2023-1069

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (12) : 77-84. DOI: 10.19912/j.0254-0096.tynxb.2023-1069

基于改进蜉蝣算法的光伏多峰值最大功率跟踪特性研究

赵智勇, 李卫军, 郑秒, 朱运奇, 张翼

作者信息 +

RESEARCH ON PHOTOVOLTAIC MULTI-PEAK MAXIMUM POWER TRACKING CHARACTERISTICS BASED ON IMPROVED MAYFLY ALGORITHM

Zhao Zhiyong, Li Weijun, Zheng Miao, Zhu Yunqi, Zhang Yi

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摘要

使用一种改进蜉蝣算法（EMA）解决在局部阴影条件下,太阳电池P-U图呈现多峰值,传统最大功率点跟踪算法易陷入局部最优解,导致无法快速准确找到光伏最大功率跟踪点的问题。首先通过雄性蜉蝣的全局搜索,跳出局部最优解;然后利用雌性蜉蝣的随机局部搜索和交配,减少系统震荡;最后通过设置两组不同的算例,验证所使用算法的跟踪精度和跟踪速度。研究结果表明：与粒子群算法（PSO）和灰狼算法（GWO）相比,改进蜉蝣算法在搜索过程中可减少光伏输出功率震荡。相较于PSO和GWO,在EWA在跟踪速度上得到显著提升,使得太阳电池在局部阴影下仍能保持高效的输出功率。

Abstract

An improved mayfly algorithm （EMA） is used to solve the problem of multiple peaks in solar ceu P-U graphs under partial shading conditions, where traditional maximum power point tracking （MPPT） algorithms tend to fall into local optimal solution, making it difficult to quickly and accurately find the global maximum power point of the PV system. Firstly, the male mayflies perform a global search to escape local optimal solution. Then, the female mayflies reduce system oscillations through random local search and mating. Finally, two different scenarios are set to verify the tracking accuracy and speed of the proposed algorithm. The results show that compared with particle swarm optimization （PSO） and grey wolf optimization （GWO）, the EMA reduces PV output power oscillations during the search process. Compared to PSO and GWO, EMA has significantly improved the tracking speed, allowing the solar cells to maintain high output power even under partial shading.

导出引用

赵智勇, 李卫军, 郑秒, 朱运奇, 张翼. 基于改进蜉蝣算法的光伏多峰值最大功率跟踪特性研究[J]. 太阳能学报. 2024, 45(12): 77-84 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1069

Zhao Zhiyong, Li Weijun, Zheng Miao, Zhu Yunqi, Zhang Yi. RESEARCH ON PHOTOVOLTAIC MULTI-PEAK MAXIMUM POWER TRACKING CHARACTERISTICS BASED ON IMPROVED MAYFLY ALGORITHM[J]. Acta Energiae Solaris Sinica. 2024, 45(12): 77-84 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1069

中图分类号： TM615

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