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Title: An active cooling system for photovoltaic modules
Authors: Teo, H.G.
Lee, P.S. 
Hawlader, M.N.A. 
Keywords: Active cooling
Cell efficiency
Hybrid photovoltaic/thermal system
Manifold design
Operating temperature
Issue Date: Feb-2012
Citation: Teo, H.G., Lee, P.S., Hawlader, M.N.A. (2012-02). An active cooling system for photovoltaic modules. Applied Energy 90 (1) : 309-315. ScholarBank@NUS Repository.
Abstract: The electrical efficiency of photovoltaic (PV) cell is adversely affected by the significant increase of cell operating temperature during absorption of solar radiation. A hybrid photovoltaic/thermal (PV/T) solar system was designed, fabricated and experimentally investigated in this work. To actively cool the PV cells, a parallel array of ducts with inlet/outlet manifold designed for uniform airflow distribution was attached to the back of the PV panel. Experiments were performed with and without active cooling. A linear trend between the efficiency and temperature was found. Without active cooling, the temperature of the module was high and solar cells can only achieve an efficiency of 8-9%. However, when the module was operated under active cooling condition, the temperature dropped significantly leading to an increase in efficiency of solar cells to between 12% and 14%. A heat transfer simulation model was developed to compare to the actual temperature profile of PV module and good agreement between the simulation and experimental results is obtained. © 2011 Elsevier Ltd.
Source Title: Applied Energy
ISSN: 03062619
DOI: 10.1016/j.apenergy.2011.01.017
Appears in Collections:Staff Publications

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