Abstract
As the future progresses, many companies and industries are striving to achieve a “greener” approach to energy production by using solar energy. Solar panels that use PV cells (semiconductor devices used to convert light into electrical energy) are popular for converting solar power into electricity. One of the problems in using PV cells to extract energy from sunlight is the temperature effect on PV cells. As the solar panel is heated, the conversion efficiency of light to electrical energy is diminished. Because solar panels can be expensive, it is important to be able to extract as much energy as possible. The proposes cooling methods for the panel in order to achieve optimum efficiency. To achieve this, various cooling methods have been proposed. A bare solar panel with no air velocity was used as a base model. This was tested and compared to bare solar panels cooled by heat sinks, in the form of extended surfaces such as plate fins that can be mounted on the back surface of solar panels. Results showed that the heat sinks were only marginally effective; they resulted in a steady-state temperature of only a few degrees less than a solar panel without a heat sink. Due to these results, it is proposed that pump cooling would be far more beneficial. With the correctly sized pump, the temperature can be made to closely match any desired value.
Highlights
INTRODUCTIONSolar tracking negotiates compound sun angles, complex field geometries, and mechanical systems in pursuit of optimal energy generation.[1,2] Solar tracking results in an optimally oriented shading surface, but in order to cooptimize the shading of target areas (e.g. work surfaces, windows, playgrounds) it is necessary to consider both the geometry toward the sun and the geometry underneath the shade.[3,4] The novel implementation of shades that implement energy harvesting though photovoltaic panels raises the question of how to negotiate both shading and generation most effectively.[5,6] When
Solar tracking results in an optimally oriented shading surface, but in order to cooptimize the shading of target areas it is necessary to consider both the geometry toward the sun and the geometry underneath the shade.[3,4]
This paper presented the architectural, commercial, and industrial usage of Concentrated Photovoltaics (CPV) system, reviewed the recent research developments of different cooling techniques of CPV systems during last few years, including the spectral beam splitting technology, cogeneration power technology, commonly used and promising cooling techniques, active and passive cooling methods
Summary
Solar tracking negotiates compound sun angles, complex field geometries, and mechanical systems in pursuit of optimal energy generation.[1,2] Solar tracking results in an optimally oriented shading surface, but in order to cooptimize the shading of target areas (e.g. work surfaces, windows, playgrounds) it is necessary to consider both the geometry toward the sun and the geometry underneath the shade.[3,4] The novel implementation of shades that implement energy harvesting though photovoltaic panels raises the question of how to negotiate both shading and generation most effectively.[5,6] When.
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