Comparative Study of Four Shadow Band Diffuse Irradiance Correction Algorithms for Almerı́a, Spain

[+] Author and Article Information
G. López

Department Ingenierı́a Eléctrica y Térmica, EPS La Rábida, Universidad de Huelva, Ctra. Palos de la Frontera s/n., Huelva (Spain)

T. Muneer, R. Claywell

School of Engineering, Napier University, 10 Colinton Road, Edinburgh EH10 5DT, UK

J. Sol. Energy Eng 126(2), 696-701 (May 04, 2004) (6 pages) doi:10.1115/1.1666895 History: Received January 01, 2003; Revised October 01, 2003; Online May 04, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Uncorrected shadow band diffuse fraction versus clearness index after Filter #1-#3 were applied
Grahic Jump Location
Frequency (left) and accumulated frequency (right) of the filtered data against clearness index
Grahic Jump Location
Frequency (left) and accumulated frequency (right) of the filtered data against true diffuse irradiance
Grahic Jump Location
Frequency (left) and accumulated frequency (right) of the filtered data against solar altitude
Grahic Jump Location
Uncorrected measurements of shadow band diffuse irradiance against true diffuse irradiance
Grahic Jump Location
Shadow band diffuse irradiance corrected using (a) Drummond, (b) LeBaron, (c) Batlles and (d) Muneer models against true diffuse irradiance
Grahic Jump Location
Residual differences against clearness index
Grahic Jump Location
Residual differences against solar altitude




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