Advanced analysis of backsheet failures from 26 power plants

Backsheet degradation is a known reliability issue affecting field-exposed photovoltaic (PV) modules power plants. In this work, we present lessons learned during the last three years, examining modules from 26 power plants in the TestLab PV Modules at Fraunhofer ISE. The basis is a description of t...

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Autores principales:	Markert Jochen, Kotterer Sandra, Mansour Djamel Eddine, Philipp Daniel, Gebhardt Paul
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	pv modules backsheet degradation scanning acoustic microscopy insulation failure analysis Renewable energy sources TJ807-830
Acceso en línea:	https://doaj.org/article/6cebb068bb63447a8ff63a373dfd1ee2
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id	oai:doaj.org-article:6cebb068bb63447a8ff63a373dfd1ee2
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spelling	oai:doaj.org-article:6cebb068bb63447a8ff63a373dfd1ee22021-12-02T17:13:10ZAdvanced analysis of backsheet failures from 26 power plants2105-071610.1051/epjpv/2021006https://doaj.org/article/6cebb068bb63447a8ff63a373dfd1ee22021-01-01T00:00:00Zhttps://www.epj-pv.org/articles/epjpv/full_html/2021/01/pv210036/pv210036.htmlhttps://doaj.org/toc/2105-0716Backsheet degradation is a known reliability issue affecting field-exposed photovoltaic (PV) modules power plants. In this work, we present lessons learned during the last three years, examining modules from 26 power plants in the TestLab PV Modules at Fraunhofer ISE. The basis is a description of the currently observed backsheets and associated degradation features as for example backsheet chalking, cracks in different layers and chemical changes in composition. Furthermore, we lay out analytical methods for initial and more detailed analysis of the failures and module materials. For example, a method designated as “flashlight test” has been found to provide a quick and straightforward method to identify damaged polypropylene (PP) layers within backsheets. Furthermore, scanning acoustic microscopy (SAM) and a comparison of different variants of FTIR spectroscopy are presented.Markert JochenKotterer SandraMansour Djamel EddinePhilipp DanielGebhardt PaulEDP Sciencesarticlepv modulesbacksheet degradationscanning acoustic microscopyinsulation failure analysisRenewable energy sourcesTJ807-830ENEPJ Photovoltaics, Vol 12, p 7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	pv modules backsheet degradation scanning acoustic microscopy insulation failure analysis Renewable energy sources TJ807-830
spellingShingle	pv modules backsheet degradation scanning acoustic microscopy insulation failure analysis Renewable energy sources TJ807-830 Markert Jochen Kotterer Sandra Mansour Djamel Eddine Philipp Daniel Gebhardt Paul Advanced analysis of backsheet failures from 26 power plants
description	Backsheet degradation is a known reliability issue affecting field-exposed photovoltaic (PV) modules power plants. In this work, we present lessons learned during the last three years, examining modules from 26 power plants in the TestLab PV Modules at Fraunhofer ISE. The basis is a description of the currently observed backsheets and associated degradation features as for example backsheet chalking, cracks in different layers and chemical changes in composition. Furthermore, we lay out analytical methods for initial and more detailed analysis of the failures and module materials. For example, a method designated as “flashlight test” has been found to provide a quick and straightforward method to identify damaged polypropylene (PP) layers within backsheets. Furthermore, scanning acoustic microscopy (SAM) and a comparison of different variants of FTIR spectroscopy are presented.
format	article
author	Markert Jochen Kotterer Sandra Mansour Djamel Eddine Philipp Daniel Gebhardt Paul
author_facet	Markert Jochen Kotterer Sandra Mansour Djamel Eddine Philipp Daniel Gebhardt Paul
author_sort	Markert Jochen
title	Advanced analysis of backsheet failures from 26 power plants
title_short	Advanced analysis of backsheet failures from 26 power plants
title_full	Advanced analysis of backsheet failures from 26 power plants
title_fullStr	Advanced analysis of backsheet failures from 26 power plants
title_full_unstemmed	Advanced analysis of backsheet failures from 26 power plants
title_sort	advanced analysis of backsheet failures from 26 power plants
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/6cebb068bb63447a8ff63a373dfd1ee2
work_keys_str_mv	AT markertjochen advancedanalysisofbacksheetfailuresfrom26powerplants AT kotterersandra advancedanalysisofbacksheetfailuresfrom26powerplants AT mansourdjameleddine advancedanalysisofbacksheetfailuresfrom26powerplants AT philippdaniel advancedanalysisofbacksheetfailuresfrom26powerplants AT gebhardtpaul advancedanalysisofbacksheetfailuresfrom26powerplants
_version_	1718381383125041152

Advanced analysis of backsheet failures from 26 power plants

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