한국태양에너지학회 논문집 (Journal of the Korean Solar Energy Society)

  • 제37권4호
  • /
  • Pages.23-33
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  • 2017
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  • 1598-6411(pISSN)
  • /
  • 2508-3562(eISSN)
한국태양에너지학회 (The Korean Solar Energy Society)
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태양광 어레이 I-V 곡선 측정을 위한 다채널 동시 측정방법에 관한 연구

The Study of Method about the Multi-channel Simultaneous Measurement for Measuring the I-V Curve of Photovoltaic Array

  • 박유나 (고려대학교 전기전자공학과) ;
  • 장길수 (고려대학교 전기전자공학과) ;
  • 고석환 (한국에너지기술연구원 태양광연구실) ;
  • 강기환 (한국에너지기술연구원 태양광연구실) ;
  • 소정훈 (한국에너지기술연구원 태양광연구실) ;
  • 정영석 (한국에너지기술연구원 태양광연구실) ;
  • 주영철 (한국에너지기술연구원 태양광연구실) ;
  • 황혜미 (한국에너지기술연구원 태양광연구실) ;
  • 송형준 (한국에너지기술연구원 태양광연구실)
  • Park, Yu-Na (Department of Electrical Engineering, Korea University) ;
  • Jang, Gil-Soo (Department of Electrical Engineering, Korea University) ;
  • Ko, Suk-Whan (Department of Solar Energy, Korea Institute of Energy Research) ;
  • Kang, Gi-Hwan (Department of Solar Energy, Korea Institute of Energy Research) ;
  • So, Jung-hun (Department of Solar Energy, Korea Institute of Energy Research) ;
  • Jung, Young-Seok (Department of Solar Energy, Korea Institute of Energy Research) ;
  • Ju, Young-Chul (Department of Solar Energy, Korea Institute of Energy Research) ;
  • Hwang, Hye-Mi (Department of Solar Energy, Korea Institute of Energy Research) ;
  • Song, Hyung-Jun (Department of Solar Energy, Korea Institute of Energy Research)
  • 투고 : 2017.05.25
  • 심사 : 2017.08.28
  • 발행 : 2017.08.30
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초록

A great deal of study for loss reduction of photovoltaic system is conducted currently. It is hard to distinct the fault of photovoltaic system with the naked eye. For that reason, it is essential to repair and maintain the PV system by monitoring the system. The fault of individual modules can cause the huge loss of the entire system because of the mismatch. Therefore, the method of diagnosing the PV array is necessary by measuring the multi-channel arrays simultaneously. In this paper, it is presented the method of measuring I-V curve of multi-channel arrays simultaneously by using the charge and discharge characteristics of capacitor. Generated DC power at PV arrays is charged and discharged at the capacitors in a moment. By measuring the charged voltage and current, it is possible to diagnose of performance of PV arrays.

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참고문헌

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