Design of a sun tracker for the automatic measurement of spectral irradiance and construction of an irradiance database in the 330–1100nm range
An automatic global and direct solar spectral irradiance system has been designed based on two LICOR spectroradiometers equipped with fibre optics and remote cosine sensors. To measure direct irradiance a sun tracker based on step motors has been developed. The whole system is autonomous and works continuously. From the measurements provided by this system a spectral irradiance database in the 330–1100nm range has been created. This database contains normal direct and global horizontal irradiances as well as diffuse irradiance on a horizontal plane, together with total atmospheric optical thickness and aerosol optical depth.
Year of publication: |
2007
|
---|---|
Authors: | Cañada, J. ; Utrillas, M.P. ; Martinez-Lozano, J.A. ; Pedrós, R. ; Gómez-Amo, J.L. ; Maj, A. |
Published in: |
Renewable Energy. - Elsevier, ISSN 0960-1481. - Vol. 32.2007, 12, p. 2053-2068
|
Publisher: |
Elsevier |
Subject: | Sun tracker | Direct solar spectral irradiance |
Saved in:
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