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계통연계형 태양광발전 시스템의 고장유형별 손실 비교분석

Losses Comparison and Analysis for Fault Modes of Grid-connected Photovoltaic System

  • 소정훈 (한국에너지기술연구원 태양광연구실) ;
  • 고석환 (한국에너지기술연구원 태양광연구실) ;
  • 주영철 (한국에너지기술연구원 태양광연구실)
  • So, Jung-Hun (Photovoltaic laboratory, Korea Institute of Energy Research) ;
  • Ko, Suk-Whan (Photovoltaic laboratory, Korea Institute of Energy Research) ;
  • Ju, Young-Chul (Photovoltaic laboratory, Korea Institute of Energy Research)
  • 투고 : 2017.04.10
  • 심사 : 2017.06.21
  • 발행 : 2017.06.30

초록

This paper presents losses comparison and analysis results for different types of fault modes of grid-connected photovoltaic system generated for long-term operation. The approach of losses comparison and analysis by faults is to identify relationship between measured and estimated values of five loss factors which are quantified from irradiance to system output power. This paper presents the symptom results for faults such as snow, shading, sensor defect, blackout, soiling and so on from three years or more monitored data. These results will indicate that it is useful to develop fault detection and diagnosis tool to enhance capacity factor and save operation and maintenance cost of grid-connected photovoltaic system in the field.

키워드

참고문헌

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피인용 문헌

  1. A Study on the Improvement of Efficiency by Detection Solar Module Faults in Deteriorated Photovoltaic Power Plants vol.11, pp.2, 2017, https://doi.org/10.3390/app11020727