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

Ma Lu, Silvia (författare)
Mälardalens universitet,Framtidens energi
Campana, Pietro Elia, Senior Lecturer, 1984- (preses)
Mälardalens universitet,Framtidens energi
Stridh, Bengt, Senior Lecturer (preses)
Mälardalens universitet,Framtidens energi
visa fler...
Avelin, Anders, Lecturer, 1966- (preses)
Mälardalens universitet,Framtidens energi
Lana, Marcos, Senior Lecturer (preses)
Sveriges lantbruksuniversitet
Vico, Giulia, Professor (opponent)
Sveriges lantbruksuniversitet
visa färre...
 (creator_code:org_t)
ISBN 9789174856453
Västerås : Mälardalen University, 2024
Engelska.
  • Licentiatavhandling (övrigt vetenskapligt/konstnärligt)
Abstract Ämnesord
Stäng  
  • 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

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Energiteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Energy Engineering (hsv//eng)

Nyckelord

Agrivoltaics
Albedo
Photosynthetically Active Radiation
Decomposition Model
Solar Energy
Energy- and Environmental Engineering
energi- och miljöteknik

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vet (ämneskategori)
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