期刊
ENERGY CONVERSION AND MANAGEMENT
卷 45, 期 11-12, 页码 1931-1939出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2003.10.007
关键词
two axes tracking; open loop control; electromechanical system; solar radiation measurements; Jordan
In this paper, an electromechanical, two axes sun tracking system is designed and constructed. The programming method of control with an open loop system is employed where the programmable logic controller is used to control the motion of the sun tracking surface. An experimental study was performed to investigate the effect of using two axes tracking on the solar energy collected. The collected energy was measured and compared with that on a fixed surface tilted at 32degrees towards the south. The results indicate that the measured collected solar energy on the moving surface was significantly larger than that on a fixed surface. The two axes tracking surface showed a better performance with an increase in the collected energy of up to 41.34% compared with the fixed surface. (C) 2003 Elsevier Ltd. All rights reserved.
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