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Comparison of Performance Analysis of the Ventilated and Nonventilated CIGS BIPV Units

환기 유무에 따른 CIGS BIPV 커튼월 유닛의 성능 비교 분석

Sang-Myung Kim1
,
Jin-Hee Kim2
,
Jun-Tae Kim3*
김 상명1
,
김 진희2
,
김 준태3*
1Department of Energy System Engineering, Kongju National University
2Green Energy Technology Research Center, Kongju National University
3Department of Architectural Engineering, Kongju National University
1공주대학교 대학원 에너지시스템공학과
2공주대학교 그린에너지기술연구
3공주대학교 건축학부
*교신저자. *Corresponding Author. 
April 2017. pp. 47-57
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Abstract

CIGS thin film solar cells are technically suitable for BIPV applications than regularly used crystalline silicon solar cells. Particularly, CIGS PV has lower temperature coefficient than crystalline silicon PV, thus decrease in power generation is lowered in CIGS PV. Moreover, CIGS PV can decrease shading loss when applied to the BIPV system, and the total annual power generation is higher than crystalline silicon. However, there are few studies on the installation factors affecting the performance of BIPV system with CIGS module. In this study, BIPV curtain wall unit with CIGS PV module was designed. To prevent increase of temperature of CIGS PV module by solar radiation, ventilation was considered at the backside of the unit. The thermal specification and electrical performance of CIGS PV of the ventilated unit was analyzed experimentally. Non-ventilated unit was also investigated and compared with ventilated unit. The results showed that the average CIGS temperature of the ventilated curtain wall unit was 6.8°C lower than non-ventilated type and the efficiency and power generation performance of ventilated CIGS PV on average was, respectively, about 6% and 5.8% higher than the non-ventilated type.

Keywords
BIPV
CIGS module
Curtain wall
Ventilated type
Non-ventilated type
Spandrel

키워드
건물일체형 태양광발전
CIGS 모듈
커튼월
환기형
비환기형
스팬드럴
References
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2
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Information
  • Publisher :Korean Solar Energy Society
  • Publisher(Ko) :한국태양에너지학회
  • Journal Title :Journal of the Korean Solar Energy Society
  • Journal Title(Ko) :한국태양에너지학회 논문집
  • Volume : 37
  • No :2
  • Pages :47-57
  • Received Date : 2017-03-06
  • Revised Date : 2017-04-24
  • Accepted Date : 2017-04-25
  • DOI :https://doi.org/10.7836/kses.2017.37.2.047
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