A new approach in tracking maximum power under partially shaded conditions with consideration of converter losses

被引：54

作者：

Renaudineau, H. ^{[1
,2
]}

Houari, A. ^{[1
]}

Martin, J. -P. ^{[1
]}

Pierfederici, S. ^{[1
]}

Meibody-Tabar, F. ^{[1
]}

Gerardin, B. ^{[2
]}

机构：

[1] Nancy Univ, INPL, GREEN, Vandoeuvre Les Nancy, France

[2] SARL, ATECH Engn, F-57140 Saulny, France

来源：

SOLAR ENERGY | 2011年 / 85卷 / 11期

关键词：

Photovoltaic array; Partial shading; Boost losses; Maximum power point tracking;

D O I：

10.1016/j.solener.2011.07.018

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The fact that photovoltaic panels are very sensitive to non-uniform insolation conditions, which can occur several times a day, causes a decrease of efficiency and so increases time for return on investment. This work presents a maximum power point tracking algorithm (MPPT) operating on the load characteristic in order to take the converters losses into account. In addition, the proposed MPPT deals with the problems of shadowing for which the power-load characteristic can present two or more local maximums close to each other. Considering the converters losses it can be shown that the maximum output power of the photovoltaic panels does not necessarily coincide with the maximum output power of the converters. The proposed MPPT algorithm tracks the maximum power with the intention of reducing the total losses including those of converters. Its performance is verified by simulation and confirmed by experimental results. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2580 / 2588

页数：9

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