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Shading losses for different types of residential PV systems and its city-wide impact on PV potential
Vattenfall R&D Power Technology.
Vattenfall R&D Power Technology.
Vattenfall R&D Power Technology.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences. (Built Environment Energy Systems Group)ORCID iD: 0000-0001-6586-4932
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2019 (English)In: Proceedings of Solar Integration Workshop Dublin 2019 / [ed] Energynautics, 2019Conference paper, Published paper (Other academic)
Abstract [en]

Power optimiser are becoming increasingly popular in residential photovoltaic installations. Besides monitoring and safety advantages the power optimise can increase production under partial shading conditions due to the individual maximum power point tracking performed independently for each panel. This study quantifies the production gains with power optimisers through both empirical and theoretical city-wide simulations. Empirical measurements on adjacent string and optimiser PV systems showed that shading losses from a tree decreased from 17% to 13 %. A study of 1100 single family houses in an urban suburb showed that 2/3 of the houses would have a gain with optimisers above 20 kWh/kWp and year.

Place, publisher, year, edition, pages
2019.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-397882OAI: oai:DiVA.org:uu-397882DiVA, id: diva2:1373463
Conference
Solar Integration Workshop
Available from: 2019-11-27 Created: 2019-11-27 Last updated: 2019-11-27

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CiteExportLink to record
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