Modeling of solar radiation for the photovoltaic pumping system in sprinkler irrigation
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Abstract
Mathematical models are fundamental for the simulation of solar radiation; allowing the effective design, optimization of the performance of photovoltaic systems and guaranteeing a stable supply of electrical energy. The present study was developed at the Delia Cooperative Basic Production Unit with the objective of estimating solar radiation for the photovoltaic pumping system for sprinkler irrigation in bean cultivation. The methodology used consisted of the application of the Hottel model to determine the components of solar radiation on a horizontal surface and the Solener method based on the inclination of the surface of the photovoltaic panel. The results showed that the global solar radiation that occurs on a horizontal plane for the municipalities of Venezuela, Primero de Enero, Morón and Sancti Spiritus in the different months of the year varies between 3952.07 and 10626.30 W m-2 day- 1. The global solar radiation that falls on the surface of the photovoltaic panel placed with an inclination of 21º allows increasing the value of this variable between 12 and 30%, improving the number of peak sun hours daily for the operation of the photovoltaic generator.
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