Estimation of Global Solar Radiation Using Three Simple Methods

Abstract The purpose of this paper is to evaluate the linear regression methods (Linear model, Quadratic model and Cubic model), which were previously used by researchers commonly, for the estimation of monthly and annual average global solar radiation from locations namely Troyes-Barberey city in France. Comparative studies between the global solar radiations estimated from the three models and the measured values show that all models used in the present paper give very good results, and that the linear model gives better estimate of solar components where the errors between the measured values and those calculated are negligible.

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