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Development of a micro-controlled solar tracker

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2010 Pittsburgh, Pennsylvania, June 20 - June 23, 2010  1008853.(doi:10.13031/2013.29740)
Authors:   Edinei Canuto Paiva, Daniel Rizzo Carvalho, Adílio Flauzino de Lacerda Filho, Ana Paula Sato Ferreira
Keywords:   Solar tracker, solar energy, solar technology.

The objective of this study was to analyze the performance of a solar tracker to allow the production of distilled water by a solar collector apparatus. The structure was constructed from two inch tubes, brushing, threaded rod, metalon plates and the movements were controlled by a micro-controller (PIC) 16F877A. The tracker operated well with error of only 2 degrees from maximum incident radiation in periods of good insolation. The efficiency gain for the days which measurements were taken varied; the maximum and minimum observed were 70% and 46%.

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