LOW COST SOLAR TRACKING SYSTEM IN WESTERN AMAZON

2013 
This paper aims to describe the development of a solar tracking system in the western Amazon, which use some materials collected from wasted copy machines, which lowers cost and helps to reduce the ecological problems, not only through the support of a system of clean energy generation, but also the recycling of old electrical parts of machinery, which most often is a major source of environmental pollution. Solar energy is a very promising alternative source, which is generated by photovoltaic panels that transform the energy captured from the sun. Typically the panels are stationary, but the arrangement reduces that production of energy and the efficiency falls when the angles is different from ninety degrees. The application of the solar tracking system included the development of an embedded system that controls the movement of the solar panel. The solar tracking system moves in both polar and azimuthal axis, in order to put the photovoltaic in such way that it receives sunlight at a perpendicular angle. It uses four LDRs to detect the position of the sun, a stepping motor and a DC motor to move the solar panel according to the position of the sun thereby increasing the efficiency of this method of electrical energy production, being possible to meet the needs of a larger number of consumer society as a whole.
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