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Descripción
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| A methodology is presented to determine both the short-term and the long-term influence of the spectral variations on the performance of multi-junction (MJ) solar cells and concentrator photovoltaic (CPV) modules. Component cells with the same optical behavior as MJ solar cells are used to characterize the spectrum. A set of parameters, namely spectral matching ratios (SMRs), is used to characterize spectrally a particular direct normal irradiance (DNI) by comparison to the reference spectrum (AM1.5D-ASTM-G173-03). Furthermore, the spectrally corrected DNI for a given MJ solar cell technology is defined providing a way to estimate the losses associated to the spectral variations. The last section analyzes how the spectrum evolves throughout a year in a given place and the set of SMRs representative for that location are calculated. This information can be used to maximize the energy harvested by the MJ solar cell throughout the year. As an example, three years of data recorded in Madrid shows that losses lower than 5% are expected because of current mismatch for state-of-the-art MJ solar cells. Copyright © 2015 John Wiley & Sons, Ltd. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Progress in Photovoltaics |
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ISSN
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1062-7995 |
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Factor de impacto JCR
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7,365 |
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Información de impacto
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Volumen
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24 |
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DOI
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10.1002/pip.2715 |
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Número de revista
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5 |
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663 |
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679 |
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