Cost of energy and mutual shadows in a two-axis tracking PV system

Perpiñan Lamigueiro, Oscar (2012). Cost of energy and mutual shadows in a two-axis tracking PV system. "Renewable Energy", v. 43 ; pp. 331-342. ISSN 0960-1481. https://doi.org/10.1016/j.renene.2011.12.001.

Description

Title: Cost of energy and mutual shadows in a two-axis tracking PV system
Author/s:
  • Perpiñan Lamigueiro, Oscar
Item Type: Article
Título de Revista/Publicación: Renewable Energy
Date: 3 February 2012
ISSN: 0960-1481
Volume: 43
Subjects:
Freetext Keywords: Mutual shadows; Two-axis tracking; Productivity; Grid-connected PV system; Numerical optimization
Faculty: E.U.I.T. Industrial (UPM)
Department: Ingeniería Eléctrica [hasta 2014]
Creative Commons Licenses: Recognition - Non commercial

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Abstract

The performance improvement obtained from the use of trackers in a PV system cannot be separated from the higher requirement of land due to the mutual shadows between generators. Thus, the optimal choice of distances between trackers is a compromise between productivity and land use to minimize the cost of the energy produced by the PV system during its lifetime. This paper develops a method for the estimation and optimization of the cost of energy function. It is built upon a set of equations to model the mutual shadows geometry and a procedure for the optimal choice of the wire cross-section. Several examples illustrate the use of the method with a particular PV system under different conditions of land and equipment costs. This method is implemented using free software available as supplementary material.

More information

Item ID: 10219
DC Identifier: http://oa.upm.es/10219/
OAI Identifier: oai:oa.upm.es:10219
DOI: 10.1016/j.renene.2011.12.001
Official URL: http://www.sciencedirect.com/science/article/pii/S0960148111006537
Deposited by: Oscar Perpiñán Lamigueiro
Deposited on: 06 Feb 2012 08:51
Last Modified: 20 Apr 2016 18:27
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