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Experimental Yield Study of Bifacial PV Modules in Nordic Conditions
Dalarna Univ, Sweden; PPAM Solkraft AB, Sweden.
Malardalen Univ, Sweden.
Linköping University, Department of Management and Engineering. Linköping University, Faculty of Science & Engineering. PPAM Solkraft AB, Sweden.
Dalarna Univ, Sweden.
2018 (English)In: IEEE Journal of Photovoltaics, ISSN 2156-3381, E-ISSN 2156-3403, Vol. 8, no 6, p. 1457-1463Article in journal (Refereed) Published
Abstract [en]

This study reports on the first full-year field study in Sweden using bifacial photovoltaic modules. The two test sites are located on flat roofs with a low albedo of 0.05 in Linkoping (58 degrees N) and were studied fromDecember 2016 to November 2017. Site 1 has monofacial and bifacial modules with a 40 degrees tilt facing south, which is optimal for annual energy yield for monofacial modules at this location. Site 2 has monofacial 40 degrees tilt south-facing modules and bifacial vertical east-west orientated modules. The annual bifacial energy gain (BGE) was5% at site 1 and1% at site 2 for albedo 0.05. The difference in power temperature coefficients between bifacial and monofacial modules was estimated to influence BG(E) by + 0.4 and + 0.1 percentage points on site 1 and 2, respectively. A higher albedo could be investigated on a sunny day with fresh snow for the bifacial east-west modules. The specific yield was 7.57 kWh/kW(p), which was a yield increase of 48% compared with tar paper at similar solar conditions.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2018. Vol. 8, no 6, p. 1457-1463
Keywords [en]
Bifacial; field study; Nordic; Sweden; yield
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:liu:diva-152815DOI: 10.1109/JPHOTOV.2018.2865168ISI: 000448898400008OAI: oai:DiVA.org:liu-152815DiVA, id: diva2:1265265
Note

Funding Agencies|industrial post-graduate school Reesbe - Knowledge Foundation (KK-stiftelsen)

Available from: 2018-11-22 Created: 2018-11-22 Last updated: 2018-11-22

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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  • Other style
More styles
Language
  • de-DE
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  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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