Solar Irradiance Assessment in Agrivoltaic Systems: Understanding Photosynthetically Active Radiation Separation Models and Dynamic Crop Albedo Effect in Agrivoltaic Systems Modelling

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Ma Lu, SilviaMälardalens universitet,Framtidens energi (författare)

Solar Irradiance Assessment in Agrivoltaic Systems : Understanding Photosynthetically Active Radiation Separation Models and Dynamic Crop Albedo Effect in Agrivoltaic Systems Modelling

BokEngelska2024

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Västerås :Mälardalen University,2024
electronicrdacarrier

Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:mdh-66407
ISBN:9789174856453
https://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-66407URI

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Språk:engelska
Sammanfattning på:engelska

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SwePubSwePub

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Ämneskategori:vet swepub-contenttype
Ämneskategori:lic swepub-publicationtype

Anmärkningar

Agrivoltaics, also referred as agrivoltaic systems, present an appealing solution, owing to its dual land use and integrated food-energy system, for the shift to renewable energy. However, it raises concerns about the complex synergies and trade-offs between crop growth and solar photovoltaic panels. Crops grown under open-field traditional agriculture receive uniformly distributed Sun irradiance, whereas agrivoltaics introduces variable shadowing, which interferes with the homogeneity of light collected by crops. Agrivoltaics emphasises the significance of the diffuse irradiance component during shading conditions when direct irradiance is blocked by solar panels. Decomposition models are essential for estimating the diffuse light component from the global one. This thesis conducts a benchmarking investigation of state-of-the-art solar irradiance decomposition models to identify the most suitable ones for decomposing photosynthetically active radiation in specific Swedish sites. The results lead to a novel separation model that outperforms the top models revealed in the benchmarking analysis. Various scenarios common in agrivoltaic sites are used to test the applicability of the model and guide model selection based on available data. In agrivoltaic systems, where solar panels disrupt incoming sunlight to crops, the crop reflectivity or albedo influences solar panels, particularly those with bifacial solar cells. This thesis further investigates how ground-reflected irradiance components affect the front and rear sides of bifacial system designs under varied ground albedo circumstances. Using Agri-OptiCE®, this research examines how albedo data quality affects bifacial systems. The findings contribute to improve the precision of plane-of-array irradiance and power output estimations, hence aiding the practical implementation of agrivoltaic systems across the globe.

Ämnesord och genrebeteckningar

TEKNIK OCH TEKNOLOGIER Maskinteknik Energiteknik hsv//swe
ENGINEERING AND TECHNOLOGY Mechanical Engineering Energy Engineering hsv//eng
Agrivoltaics
Albedo
Photosynthetically Active Radiation
Decomposition Model
Solar Energy
Energy- and Environmental Engineering
energi- och miljöteknik

Biuppslag (personer, institutioner, konferenser, titlar ...)

Campana, Pietro Elia,Senior Lecturer,1984-Mälardalens universitet,Framtidens energi(Swepub:mdh)pca02 (preses)
Stridh, Bengt,Senior LecturerMälardalens universitet,Framtidens energi(Swepub:mdh)bsh01 (preses)
Avelin, Anders,Lecturer,1966-Mälardalens universitet,Framtidens energi(Swepub:mdh)aan10 (preses)
Lana, Marcos,Senior LecturerSveriges lantbruksuniversitet (preses)
Vico, Giulia,ProfessorSveriges lantbruksuniversitet (opponent)
Mälardalens universitetFramtidens energi (creator_code:org_t)

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Av författaren/redakt...: Ma Lu, Silvia; Campana, Pietro ...; Stridh, Bengt, S ...; Avelin, Anders, ...; Lana, Marcos, Se ...; Vico, Giulia, Pr ...

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Maskinteknik; och Energiteknik

Av lärosätet: Mälardalens universitet

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