Integral energy performance characterization of semi-transparent photovoltaic elements for building integration under real operation conditions

Olivieri, Lorenzo and Caamaño Martín, Estefanía and Olivieri, Francesca and Neila González, Francisco Javier (2014). Integral energy performance characterization of semi-transparent photovoltaic elements for building integration under real operation conditions. "Energy And Buildings", v. 68 (n. Part A); pp. 280-291. ISSN 0378-7788. https://doi.org/10.1016/j.enbuild.2013.09.035.

Description

Title: Integral energy performance characterization of semi-transparent photovoltaic elements for building integration under real operation conditions
Author/s:
  • Olivieri, Lorenzo
  • Caamaño Martín, Estefanía
  • Olivieri, Francesca
  • Neila González, Francisco Javier
Item Type: Article
Título de Revista/Publicación: Energy And Buildings
Date: January 2014
ISSN: 0378-7788
Volume: 68
Subjects:
Freetext Keywords: Building integrated photovoltaics; BIPV modules; Semi-transparent photovoltaics; Energy efficiency; Experimental study
Faculty: Instituto de Energía Solar (IES) (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

In this paper, a methodology for the integral energy performance characterization (thermal, daylighting and electrical behavior) of semi-transparent photovoltaic modules (STPV) under real operation conditions is presented. An outdoor testing facility to analyze simultaneously thermal, luminous and electrical performance of the devices has been designed, constructed and validated. The system, composed of three independent measurement subsystems, has been operated in Madrid with four prototypes of a-Si STPV modules, each one corresponding to a specific degree of transparency. The extensive experimental campaign, continued for a whole year rotating the modules under test, has validated the reliability of the testing facility under varying environmental conditions. The thermal analyses show that both the solar protection and insulating properties of the laminated prototypes are lower than those achieved by a reference glazing whose characteristics are in accordance with the Spanish Technical Building Code. Daylighting analysis shows that STPV elements have an important lighting energy saving potential that could be exploited through their integration with strategies focused to reduce illuminance values in sunny conditions. Finally, the electrical tests show that the degree of transparency is not the most determining factor that affects the conversion efficiency.

More information

Item ID: 35598
DC Identifier: http://oa.upm.es/35598/
OAI Identifier: oai:oa.upm.es:35598
DOI: 10.1016/j.enbuild.2013.09.035
Official URL: http://www.sciencedirect.com/science/article/pii/S0378778813006178
Deposited by: Memoria Investigacion
Deposited on: 02 Dec 2015 18:07
Last Modified: 18 Mar 2020 10:11
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