New & Renewable Energy (신재생에너지)

Korean Society for New and Renewable Energy (한국신·재생에너지학회)
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The Variation of Electrical Characteristics of PV Module due to Mechanical Stress

기계적 스트레스에 의한 태양전지모듈의 전기적 특성변화

  • 공지현 (건국대학교 전기공학과 전기전자재료 및 센서) ;
  • 지양근 (건국대학교 전기공학과 전기전자재료 및 센서) ;
  • 강기환 (한국에너지기술연구원 태양광연구단) ;
  • 김경수 (한국에너지기술연구원 태양광연구단) ;
  • 유권종 (한국에너지기술연구원 태양광연구단) ;
  • 안형근 (건국대학교 전기공학과) ;
  • 한득영 (건국대학교 전기공학과)
  • Received : 2010.03.10
  • Accepted : 2010.03.18
  • Published : 2010.03.25
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Abstract

Abstract Under the physical stress on photovoltaic (PV) module, it will be warped according to elongation of the front glass and then micro-crack will be occurred in the thermally sealed solar cell. This micro-crack leads to drop of short circuit current of the PV module. This is because of increase of resistance component by micro-crack. Micro-crack at specific solar cell in the module lessens the durability of PV module with reduced output, hot-spot caused by solar cell output mismatch and increased resistance component. This study shows the relation between electrical characteristics and micro- cracks due to mechanical stress on PV module.

Keywords

References

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