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Extrahering av temperaturkoefficient och prestanda vid varierande instrålning hos solcellsmoduler i fältmiljö
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
2016 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

A software for determining the temperature coefficient of solar cells and relative change in module efficiency has been developed in MATLAB. The performance parameters are subject to investigation for the client Solibro Research AB who have ordered this masters thesis report. Their interest in the results from the software is due to the importance of being able to assessing the performance of their solar cells at their test site at Ultuna, Uppsala in Sweden.

A commonly used simple model of determining the temperature coefficient is based on the assumption that the relation between the system efficiency and the cell temperature is linear. The results from the analysis made with this software tells however that this is not the case. The temperature coefficient seems to vary significantly around a mean value, and its value at lower irradiance differ from those at high irradiance. The trend for the relative change of the efficiency for varying irradiance is however somewhat consistent with the expected, when compared to what is given on the product data sheet for Solibro's SL2 modules.

Place, publisher, year, edition, pages
2016. , 38 p.
UPTEC ES, ISSN 1650-8300 ; 16028
Keyword [en]
Solar cell, solar energy, temperature coefficient
Keyword [sv]
Solcell, solenergi, temperaturkoefficient, solibro
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-298801OAI: oai:DiVA.org:uu-298801DiVA: diva2:947421
External cooperation
Solibro Research AB
Educational program
Master Programme in Energy Systems Engineering
Available from: 2016-07-08 Created: 2016-07-08 Last updated: 2016-07-08Bibliographically approved

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Sjöstedt, Johan
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Solid State Electronics
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