Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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A Design of the Solar Tracker for LED Streetlight in Using Solar Cell

태양전지를 이용한 LED 가로등의 태양광 추적 장치 설계

  • Lee, Ok-Jae (Wonkwang Health Science University, Dept. of Image Contents)
  • 이옥재 (원광보건대학교 영상컨텐츠과)
  • Received : 2013.04.21
  • Accepted : 2013.10.03
  • Published : 2013.12.31
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Abstract

A standalone LED lighting system in using solar energy has been used usually less than 70W of lighting power because of a troublesome installation and maintenance. In this system, as more and more LED lighting power increases, the capacity of photovoltaic panel does proportionally, and to improve the charging efficiency of solar energy, MPPT(Maximum Power Point Tracking) techniques is used frequently, but the solar tracker is not. In this paper, a solar tracker which traces the light of the sun in varying hour to hour is studied to apply to the standalone LED lighting system. This solar tracker consists of twin axis for tracing the azimuth and altitude respectively, and it has a robust structure with safe mode to stand a strong wind. As a result of analysis, generating efficiency of the traced type has improved on the fixed one 28.84% on average.

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References

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