Thim Films Modules Characterization Under Standard Test Conditions

Muñoz-García, Miguel Angel and Marín González, Omar and Alonso Garcia, M. Carmen and Chenlo, Faustino (2010). Thim Films Modules Characterization Under Standard Test Conditions. In: "25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion,", 6-10 September 1009, Valencia, Spain, Valencia. ISBN 3-936338-26-4.

Description

Title: Thim Films Modules Characterization Under Standard Test Conditions
Author/s:
  • Muñoz-García, Miguel Angel
  • Marín González, Omar
  • Alonso Garcia, M. Carmen
  • Chenlo, Faustino
Item Type: Presentation at Congress or Conference (Poster)
Event Title: 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion,
Event Dates: 6-10 September 1009, Valencia, Spain
Event Location: Valencia
Title of Book: Proceedings of the International Conference
Date: 6 September 2010
ISBN: 3-936338-26-4
Subjects:
Freetext Keywords: CIEMAT, PVlabder, ReGENERA, Photovoltaics, thin film
Faculty: E.U.I.T. Agrícolas (UPM)
Department: Ingeniería Rural [hasta 2014]
Creative Commons Licenses: None

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Abstract

Photovoltaic modules based on the relatively new thin film technology are gaining importance in the photovoltaic market. Some of these modules are made of silicon, consisting of layers of amorphous silicon or microcrystalline silicon. Other thin film PV modules are made of CIS, Cadmium Telluride (CdTe) or less frequently organic compounds. The materials used in thin film technologies pose problems in terms of measuring how much power is generated under standard test conditions (STC). This is due to the fact that the modules´ power rates could vary depending both on the amount of time they have been exposed to the sun and on their history of sunlight exposure. So it is necessary to know the previous periods of sunlight exposure in order to know the current state of the module. It is necessary to determine an easily accomplishable testing method that ensures the repeatability of the measurements of the power generated. This is essential because in order to have a reliable sample of the PV module population of a large PV plant, a huge number of modules must be measured. This paper shows different tests performed on different commercial thin film PV modules in order to find the best way to obtain measurements. A correlation was tested between sun exposure and power measured. A method for obtaining indoor measurements of these technologies that takes periods of sunlight exposure into account is proposed. Additionally, temperature and irradiance coefficients were also determined for different technologies in order to obtain accurate measurements.

More information

Item ID: 10093
DC Identifier: http://oa.upm.es/10093/
OAI Identifier: oai:oa.upm.es:10093
Deposited by: Profesor Titular de Universidad (interino) Miguel Angel /M.A. Muñoz-García
Deposited on: 01 Feb 2012 08:32
Last Modified: 20 Apr 2016 18:21
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