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Comparison of Energy and Power Characteristics According to the Types of Solar Panels and Batteries

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2018, 13(1), pp.161-168
  • DOI : 10.34163/jkits.2018.13.1.016
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : February 28, 2018

Kwon Oh-Sung 1

1공주교육대학교

Accredited

ABSTRACT

At environment not connected to the power-grid for electronic devices, the general solution is solar energy system. Solar energy systems consistes of the three components solar panels, battery charger and solar batteries. In this paper, we analysis the relation of the three components and the total power amount and characteristics of our soloar system. We implement a solar energy generation system with 250 Watt solar panels and analysis the obtained data from our solar system during 39 days. The experimantal items are the placement direction of solar panels, the duration of sunshine, and the power change according to seasonal variation. We measure the characteristics of chemical and lithium-ion batteries for solar power charging and the solar power capability of our implemented system. We experiment the change of panel direction with a predefined angle degree 30. We can not obtain meaningful different values of power amount between the South and South-West direction, but rather can get similar values of the two direction testing according to the short experimental period. To measure the duration of sunshine, we measure 1.50 V and 12.0 V entry time each. we can confirm the entry time correspond to the sunrise and sunset time of the days. In case of lithium-ion batteries, the entry process is more smooth than the chemical betteries. In our experimentals, the chemical batteries has seen a rapid increase in the 12.0V entry graph. The both batteries has shown a stable power generation in the middle of day with sufficient sunshine amount. Our experimental result demonstrate that the chemical batteries has 0.28V power variation, the chemical batteries has 0,05V power variation respectively. We confirm that we can construct the efficient solar power generation system according to the our experimentals of the panel direction, the characteristics of batteries.

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