Warning of accidental shadowing of a PV generator in operation analyzed with the DoE method

被引：6

作者：

Charles, J-P. ^{[1
,2
]}

Aillerie, M. ^{[1
,2
]}

Petit, P. ^{[1
,2
]}

Humane, F. ^{[3
]}

El Mossaoui, H. ^{[3
]}

机构：

[1] Univ Lorraine, LMOPS EA 4423, Metz, France

[2] CentraleSupelec, LMOPS, Metz, France

[3] Univ Saad Dahlab, LAFPC, Blida 09000, Algeria

来源：

SOLAR ENERGY | 2015年 / 122卷

关键词：

Energy management; Smart operating PV system; Accidental shadowing detection; Operation control; Design of Experiments; PHOTOVOLTAIC ARRAYS; SIMULATION; SYSTEM; EFFICIENT; TRACKERS; MODEL;

D O I：

10.1016/j.solener.2015.09.002

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：

This paper presents a practical method to detect any accidental partial shadowing on an operating photovoltaic (PV) panel in a smart generation system including a control center. Given a known solar irradiance level and temperature it is possible to make an automatic estimation of the output electrical power and to trigger an alarm in case of an accidental shadowing occurrence. Preliminary field measurements data are taken to evaluate the PV panel parameters once and for all. Simulation of the panel in operation is performed with the mathematical method of Design of Experiments (DoE): the maximum power parameter is considered as critical for the protection and security of the PV panel. Its value is computed and any amount of partial shadowing is then detected from the difference between the measured and the calculated values of this parameter. This method can be easily implemented in any smart PV generation system as an alarm trigger in actual operation to insure complete safety of the generation system. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：455 / 463

页数：9

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