Explicit empirical relation for the monthly average cell‐temperature performance ratio of photovoltaic arrays | Zendy

Franghiadakis Y. | Zendy; Tzanetakis P. | Zendy

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Explicit empirical relation for the monthly average cell‐temperature performance ratio of photovoltaic arrays

Author(s) -

Franghiadakis Y.,

Tzanetakis P.

Publication year - 2006

Publication title -

progress in photovoltaics: research and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.286

H-Index - 131

eISSN - 1099-159X

pISSN - 1062-7995

DOI - 10.1002/pip.680

Subject(s) - latitude , irradiance , photovoltaic system , relation (database) , wind speed , interval (graph theory) , solar irradiance , meteorology , mathematics , atmospheric sciences , air temperature , empirical modelling , environmental science , statistics , econometrics , computer science , geodesy , data mining , geography , geology , physics , combinatorics , simulation , engineering , optics , electrical engineering

An empirical relation is derived that allows accurate estimates of the influence of cell temperature variations on the output of a photovoltaic array. Monthly average cell‐temperature performance ratios, PR T , can be calculated from the latitude of the site and monthly average values of solar irradiance, air temperature and wind speed. The derivation of the empirical relation for PR T is based on intermediate empirical relations and approximations established by the analysis of a database from stations located at various latitudes and having diverse climatic characteristics. The accuracy of the relation is tested against PR T calculations from short‐interval data available in the database. Copyright © 2006 John Wiley & Sons, Ltd.

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