Diseño de un colector térmico mediante concentración parabólica de seguimiento solar en dos ejes

Abstract

In a year, the sun expels four thousand times more energy on the Earth than is used at the global level, at the regional level, a home can consist of hot water and solar-powered heaters, with consequences that significantly reduce billing costs. The use of fossil fuels is creating major changes in the environment such as the greenhouse effect, the depletion of the ozone layer and acid precipitation. For these reasons, it is essential to promote the use of renewable energy. The following Degree Project presents the results obtained from the basic and detailed engineering study of the design of a thermal collector by means of parabolic concentration of solar tracking through two axes for the production of solar thermal energy. As a result, a system is achieved that automatically locates the point of maximum solar radiation through a closed-loop control that calculates both north-south and east-west angles of movement. The parameters of gain and angles calculated which allow to locate the motors of each axis of the collector correctly, are directed to an arduino AT-Mega2560 microcontroller.