Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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A Study on the Optimal Design of Large-scale Photovoltaic Array

대용량 PV 어레이의 최적설계에 관한 연구

  • 황인호 (충북도립대학 전기에너지시스템과) ;
  • 김의환 (한국전력공사 전력연구원) ;
  • 안교상 (한국전력공사 전력연구원)
  • Received : 2010.10.08
  • Accepted : 2010.12.06
  • Published : 2011.02.28
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Abstract

Recently, a number of large-scale photovoltaic(PV) power generation system has been installed all over the world. Thus, in order to improve the system efficiency, the optimal design of the large-scale PV systems has become an important issue. DC cable loss of PV array is one of the design factors related to the system efficiency. This paper introduces the array design method of a 500kW Photovoltaic power plant. Three types of the PV array are suggested. Also, string cables, sub-array cables and array cables are designed within 1% of voltage drop in the line, and the DC cable losses are analyzed. The results of this paper show that the DC cable loss of large-scale PV array can be reduced by adopting a proper sub-array design method.

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References

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