IGWO-VINC 算法应用于光伏系统的 MPPT 策略

IF 2.1 4区 工程技术 Q3 CHEMISTRY, PHYSICAL
Guoping Lei, Chang Yan, Li Cai, Chao He, Nina Dai, Shenghao Li, Jing Liu
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引用次数: 0

摘要

作为一种取之不尽、用之不竭的可再生能源,太阳能备受青睐,光伏发电也受到各界关注。然而,在外界环境温度和光照强度变化的情况下,全局最大功率点(GMPP)的确定十分困难,MPPT 控制技术成为研究的关键。快速、准确、稳定地捕捉 GMPP 已成为光伏发电系统的研究热点。结合列维飞行函数的 GWO 算法和以顶点为分割点、左右两侧步长不同的 INC 算法,将其应用于光伏系统的 MPPT 控制策略。首先由 IGWO 完成全局搜索,然后在接近全局最优时由改进的 INC 完成精确搜索。最终跟踪精度在 99% 以上,与 GWO、INC 和 ICS-IP&O 算法相比,在突变情况下,跟踪时间平均加快了 0.021 s。振荡幅度更小,电压更稳定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
IGWO-VINC Algorithm Applied to MPPT Strategy for PV System
As a kind of inexhaustible renewable energy, solar energy is popular, and photovoltaic power generation has been paid attention to by all circles. However, determining the global maximum power point (GMPP) is difficult under external ambient temperature and light intensity change, and MPPT control technology becomes the key to research. Fast, accurate, and stable GMPP capture has become a hot research problem in PV power generation systems. The GWO algorithm incorporating the Levy flight function and the INC using the vertex as the dividing point with different step sizes on the left and right sides are combined and applied to the MPPT control strategy of PV systems. The global search is completed by IGWO first, and then the exact search is completed by the improved INC when it is close to the global optimum. The final tracking accuracy is above 99%, and compared with the GWO, INC, and ICS-IP&O algorithms, respectively, in the case of abrupt changes, the tracking time is accelerated by 0.021 s on average. The oscillation amplitude is smaller, and the voltage is more stable.
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来源期刊
CiteScore
6.00
自引率
3.10%
发文量
128
审稿时长
3.6 months
期刊介绍: International Journal of Photoenergy is a peer-reviewed, open access journal that publishes original research articles as well as review articles in all areas of photoenergy. The journal consolidates research activities in photochemistry and solar energy utilization into a single and unique forum for discussing and sharing knowledge. The journal covers the following topics and applications: - Photocatalysis - Photostability and Toxicity of Drugs and UV-Photoprotection - Solar Energy - Artificial Light Harvesting Systems - Photomedicine - Photo Nanosystems - Nano Tools for Solar Energy and Photochemistry - Solar Chemistry - Photochromism - Organic Light-Emitting Diodes - PV Systems - Nano Structured Solar Cells
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