A Complete and Simplified Datasheet-Based Model of PV Cells in Variable Environmental Conditions for Circuit Simulation

被引：52
|
作者：
Vergura, Silvano [1 ]
机构：
[1] Politecn Bari, Elect & Informat Engn Dept, I-70125 Bari, Italy
来源：
ENERGIES | 2016年 / 9卷 / 05期
关键词：
PV cell model; PV module model; I-V curve; datasheet parameters; variable environmental conditions; circuit simulator; complete model; simplified model; DEFECTS;
D O I：
10.3390/en9050326
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 paper proposes two mathematical models of a photo-voltaic (PV) cellthe complete model and the simplified modelwhich can be used also for modeling a PV module or a PV string under any environmental condition. Both of them are based on the well-known five-parameters model, while the approach allows to write a new descriptive equation, whose terms are functions of the information always available in the modern datasheet of a PV module's manufacturer. This implies that no pre-processing of the datasheet parameters is needed to use the proposed model, whichever the solar irradiance and the cell/module temperature are. Moreover, these models are interpreted from a circuital point of view, providing the electrical circuits constituted only by basic electrical components. Particularly, in order to take into account the variability of the environment parameters, several variable resistors and voltage-controlled sources are used. The proposed models are tested with the datasheet parameters of commercial PV modules.
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页数：12
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