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SR7 Energia Eólica, Solar e Nuclear |
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Title:
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DETERMINAÇÃO DE UM FATOR DE CORREÇÃO PARA A RADIAÇÃO SOLAR DIFUSA MEDIDA COM ANEL DE SOMBREAMENTO
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Summary :
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ABSTRACT. GROUND STATIONS WORLDWIDE USUALLY PERFORM THE MEASUREMENT OF DIFFUSE SOLAR RADIATION AT THE SURFACE BY USING SHADE-RING DEVICES. THESE DEVICES ARE CONSIDERABLY CHEAPER THEN THE MANUALLY OR MOTOR-DRIVEN SHADE-DISK. THE SHADE-RING MEASUREMENT USUALLY UNDERESTIMATE THE DIFFUSE SOLAR RADIATION BY AN AVERAGE ERROR OF 10%, SO THAT A CORRECTION FACTOR IS USED IN ORDER TO CORRECT THE SHADE-RING DERIVED DATA. THE PRESENT WORK IS CONCERNED WITH THE ANALYSIS OF THREE CORRELATIONS REPORTED IN THE TECHNICAL LITERATURE. THE STUDY IS LIMITED TO THE GROUND STATION OF FLORIANÓPOLIS.
KEYWORDS: SOLAR ENERGY, SOLAR RADIATION MEASUREMENTS, DIFFUSE SOLAR RADIATION |
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Author :
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Abreu, Samuel Luna de
Almeida, Anand Placido
Colle, Sergio 0
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Paper View :
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