基于模糊逻辑控制器的光伏系统最大功率点跟踪

S. Narendiran, S. Sahoo, Raja Das, A. K. Sahoo
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引用次数: 29

摘要

太阳能光伏(PV)是一种重要的可再生能源。太阳光通过光伏板直接转化的能量由于太阳强度的不同而不稳定。最大功率点跟踪(MPPT)是利用太阳能电池板提取最大功率,高性能软计算技术可以作为最大功率点跟踪技术。针对恒变气候条件下的光伏发电系统,提出了基于模糊逻辑控制器(FLC)的MPPT控制方法。基于flc的MPPT能够区分PV工作电压,并寻求PV面板可以产生的最大功率。分析了不同隶属函数模糊逻辑的性能,对MPPT进行了优化。仿真结果表明,基于flc的MPPT比无风险摄动和观察(P&O) MPPT效果更好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fuzzy logic controller based maximum power point tracking for PV system
Solar Photovoltaic (PV) exploitation is a significant renewable energy source. The energy converted directly from sunlight through PV panel is not steady due to different solar intensity. Maximum power point tracking (MPPT) is used extract maximum power from the solar panel, high-performance soft computing techniques can be used as a maximum power point tracking techniques. This paper proposes fuzzy logic controller (FLC) based MPPT method for the PV system under constant and varying climatic conditions. FLC-based MPPT is able to differ the PV operating voltage and seek for the maximum power that the PV panel can produce. The performance of fuzzy logic with various membership function (MF) is analyzed to optimize the MPPT. Simulation results demonstrate that the recital of FLC-based MPPT is better than unadventurous perturb and observe (P&O) MPPT.
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