Descripción
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This paper presents the design and preliminary experimental results of a concentrator-type photovoltaic module based on a free-form off-axis 800×XR-Köhler concentrator. The off-axis XR-Köhler concentrator is one of the advanced concentrators that perform high concentration with a large acceptance angle and excellent irradiance uniformity on a solar cell. As a result of on-sun characterization of the unglazed single-cell unit test rig, the temperaturecorrected DC module efficiency was 32.2% at 25 ºC without an anti-reflective (AR) coating on the secondary optics, and the acceptance angle was more than ?1.0?. In addition, the non-corrected DC efficiency of an individual cell in a glazed 8-cell unit module mounted on a carousel tracking system was measured. The individual efficiency deviated in the range of 24.3?27.4%, owing to the mirror shape and alignment errors. The resultant series-connected efficiency was approximately 25% at direct normal irradiation (DNI) of 770 W/m2. | |
Internacional
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Si |
Nombre congreso
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9th International Conference on Concentrator Photovoltaic Systems |
Tipo de participación
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960 |
Lugar del congreso
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Revisores
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Si |
ISBN o ISSN
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978-0-7354-1182-1 |
DOI
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Fecha inicio congreso
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15/04/2013 |
Fecha fin congreso
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17/04/2013 |
Desde la página
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194 |
Hasta la página
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196 |
Título de las actas
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CPV-9 - Proceedings 1556 |