An approach to evaluate the energy advantage of two axes solar tracking systems in Spain

被引：39

作者：

Cruz-Peragon, Fernando ^{[1
]}

Casanova-Pelaez, Pedro J. ^{[2
]}

Diaz, Francisco A. ^{[1
]}

Lopez-Garcia, Rafael ^{[1
]}

Palomar, Jose M. ^{[1
]}

机构：

[1] Univ Jaen, Escuela Politecn Super Jaen, Dep Mech & Min Engn, Jaen 23071, Spain

[2] Univ Jaen, Escuela Politecn Super Jaen, Dep Elect Engn & Automat, Jaen 23071, Spain

来源：

APPLIED ENERGY | 2011年 / 88卷 / 12期

关键词：

Solar tracking; Photovoltaic solar system; Profitability; Spain; HOURLY DIFFUSE-RADIATION; POWER-GENERATION; MODEL; SURFACES; PERFORMANCE; COLLECTORS; IRRADIANCE; INSOLATION; DESIGN; VALIDATION;

D O I：

10.1016/j.apenergy.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 present work shows an alterative method for determining the tracking energy advantage, defined as the additional electrical energy produced by two axes tracking systems respect to fixed devices, in order to analyze the economical profitability in Spain. For this purpose, 52 main cities of this country have been analyzed. The proposed methodology starts from irradiation data, combining diffuse models and daily-hourly relations. Different types of losses have been evaluated, and the electrical behavior of the systems has been incorporated. Final annual energetic results demonstrate that two axes devices show a relevant energy advantage (higher than 20%) for most of the national territory. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：5131 / 5142

页数：12

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