Comparative Study of Experimentally Measured and Calculated Solar Radiations for Two Sites in Algeria

Bouazza Fekkak, Mustapha Merzouk, Abdallah Kouzou, Ralph Kennel, Mohamed Abdelrahem, Ahmed Zakane and Mostefa Mohamed-Seghir
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Bouazza Fekkak: Institute for Electrical Drive Systems and Power Electronics, Technical University of Munich (TUM), 80333 Munich, Germany
Mustapha Merzouk: Department of Renewable Energies, Faculty of Technology, Saad Dahlab University, Blida 09000, Algeria
Abdallah Kouzou: Institute for Electrical Drive Systems and Power Electronics, Technical University of Munich (TUM), 80333 Munich, Germany
Ralph Kennel: Institute for Electrical Drive Systems and Power Electronics, Technical University of Munich (TUM), 80333 Munich, Germany
Mohamed Abdelrahem: Institute for Electrical Drive Systems and Power Electronics, Technical University of Munich (TUM), 80333 Munich, Germany
Ahmed Zakane: National Higher School of Statistics and Applied Economics, Kolea 42000, Algeria
Mostefa Mohamed-Seghir: Department of Ship Automation, Gdynia Maritime University, 81-225 Gdynia, Poland

Energies, 2021, vol. 14, issue 21, 1-25

Abstract: This paper presents a comparison study between the measured solar radiations on site and the calculated solar radiation based on the most theoretical models presented in the literature up to date. Indeed, for such purposes, this paper focusses on the analysis of the data of the measured solar radiation collected on two sites in Algeria such as Tlemcen (34°52?58? N 01°19?00? W, elevation 842 m) and Senia (35°39? N 0°38? W, elevation: 77 m). In order to check the accuracy of the proposed model, the experimental collected data of the solar radiation obtained from the existing radiometric stations installed at the two locations under investigation, are compared with the estimated or predicted solar radiations obtained from the Capderou and R.Sun models, where four days under clear skies are selected from different seasons to achieve this comparison. Second, the daily averages of the experimental global solar irradiation are compared to those predicted by Mefti model for both the sites. Finally, a validation is carried out based on the obtained experimental monthly global irradiations and with those estimated by Coppolino and Sivkov models. A relative difference is used in this case to judge the reliability and the accuracy of each model for both sites.

Keywords: solar radiation; Linke turbidity factor; clearness index; sunshine ratio; attenuation coefficient (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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