Journal of Electrical Engineering : Volume 18 / 2018 - Edition : 2

Estimation of daily global solar radiation in tropical region in south India using linear regression and Artificial Neural Network

J. Vishnupriyan
P.S. Manoharan
V. Annapeachi
building electrification
Estimation of daily global solar radiation (GSR) is important feature for non availability of observatory station in the study area. In this study, daily GSR models are developed for radiation for Madurai location in Tamil Nadu, India. The three years hourly solar radiation data collected from Tamil Nadu Agriculture University using pyranometer measurement data. The regression coefficient of selected radiation models were performed with curve fitting tool in MATLAB. In addition, the developed models are validated with Artificial Neural Network to estimation the prediction accuracy. The accuracy of the models was evaluated by statistical indexes. This estimation results further validated through pyranometer measurement data.
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