An Innovative Design of the Automatic Solar Tracking Control Scheme

Abstract:

A double-axis solar tracking system based on horizontal coordinate is adopted. A method of combining the sun trajectory tracking and light intensity sensor is proposed in this tracking system. Detection results of light intensity sensor were used to determine weather situation, control the start -stop of the tracking system. The sun trajectory was calculated by astronomical algorithms to determine the solar orientation. Different interval times were set in different time periods to improve the tracking accuracy. It enhances solar radiation, improves the power generation efficiency of photovoltaic systems and reduces the cost of photovoltaic power generation. This system is simple and easy to achieve. It has lower cost and reliable performance. It can be used in large-scale photovoltaic power plant projects.

• Periodical: Applied Mechanics and Materials (Volumes 291-294)
• Pages: 109-114
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.291-294.109
• Online since: February 2013
• Authors: Jian Yun Bai, Li Hong Liu, Xiang Jie Kong
• Keywords: Interval Time, Light Intensity Detection, Photovoltaic Power Generation, Solar Tracking

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