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The varying shape of the direct normal irradiance (DNI) spectrum is mainly determined by air mass (AM), aerosol optical depth (AOD) and precipitable water (PW). Unlike some previous studies that aimed at modelling the spectral impact on photovoltaics (PV), a recently published method takes these parameters into account when modelling spectral effects on concentrating PV. A short review of this method...
The attention around Ultra-High CPV is increasing year by year, because of the potential cost-cutting achievable by increasing the concentration ratio. In these systems, an adequate thermal management becomes particularly important: cooling systems are required to be compact, reliable and efficient. In this work, the geometry of a passive heat sink for a 4000x CPV application is optimized to reduce...
Perovskite solar cells have opened a potential market for the low cost manufacturing technics based solar cells which can change the photovoltaic (PV) production road map. Apart from the demonstrated high conversion efficiencies, these cells need to be analysed under real climatic conditions to understand their real performance. This communication aims to study the spectral dependence at selected...
Concentrating Photovoltaics (CPV) aims to reduce the cost of photovoltaic applications by replacing part of the semiconductor material with a less expensive concentrating material. The significant increase in irradiance and the related reduction of semiconductor area introduce some criticisms that affect the design, fabrication and operating stages. The system needs to handle high power and current...
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