An improved maximum power point tracking method for a photovoltaic system

被引：14
|
作者：
Ouoba, David [1 ]
Fakkar, Abderrahim [1 ]
El Kouari, Youssef [1 ]
Dkhichi, Fayrouz [1 ]
Oukarfi, Benyounes [1 ]
机构：
[1] Hassan II Univ Casablanca, Fac Sci & Technol, Lab Elect Electrotech Automat & Informat Proc LEE, Mohammadia 146, Morocco
来源：
OPTICAL MATERIALS | 2016年 / 56卷
关键词：
Maximum Power Point Tracking (MPPT); Auto-variable step-size; PV system; MPPT METHOD; MICROCONTROLLER; OPTIMIZATION; ALGORITHM;
D O I：
10.1016/j.optmat.2016.01.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, an improved auto-scaling variable step-size Maximum Power Point Tracking (MPPT) method for photovoltaic (PV) system was proposed. To achieve simultaneously a fast dynamic response and stable steady-state power, a first improvement was made on the step-size scaling function of the duty cycle that controls the converter. An algorithm was secondly proposed to address wrong decision that may be made at an abrupt change of the irradiation. The proposed auto-scaling variable step-size approach was compared to some various other approaches from the literature such as: classical fixed step-size, variable step-size and a recent auto-scaling variable step-size maximum power point tracking approaches. The simulation results obtained by MATLAB/SIMULINK were given and discussed for validation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：100 / 106
页数：7
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