SMC based MPPT to track the GMPP under Partial Shading

M. Mokhlis, M. Ferfra, A. Abbou, Rafika EL Idrissi, C. C. Ahmed
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引用次数: 2

Abstract

This paper presents a technique based on sliding mode controller to track the global maximum power point. This one is designed to control the power of a photovoltaic system composed of three photovoltaic modules, of a sepic converter and a resistive load. This technique is designed to distinguish the global maximum power in a curve composed of a multiple point of maximums. In fact, the multiple maximums appear when the insolation is non-uniform. The proposed technique consists of an algorithm able to locate the global maximum power and to generate the corresponding reference of voltage whenever the insolation changes. In addition, it consists of a sliding mode control able to follow the voltage reference by controlling the duty cycle of the sepic converter. The performances of the proposed approach have been tested and validated through computer simulation.
基于SMC的MPPT跟踪部分遮阳下的GMPP
本文提出了一种基于滑模控制器的全局最大功率点跟踪技术。这一设计是为了控制由三个光伏组件、一个特殊转换器和一个电阻负载组成的光伏系统的功率。该技术旨在区分由多个最大值点组成的曲线中的全局最大功率。事实上,当日照不均匀时,就会出现多重最大值。该技术包括一种能够定位全局最大功率并在日照变化时生成相应参考电压的算法。此外,它还包括一个滑模控制器,能够通过控制变频器的占空比来跟随参考电压。通过计算机仿真验证了该方法的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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