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논문 기본 정보

자료유형
학술저널
저자정보
윤종호 (한밭대학교) 오명환 (한밭대학교) 강기환 (한국에너지기술연구원) 이재범 (국립환경과학원)
저널정보
한국태양에너지학회 한국태양에너지학회 논문집 한국태양에너지학회 논문집 제32권 제4호
발행연도
2012.8
수록면
24 - 33 (10page)

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초록· 키워드

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Recently, finishing materials at spandrel area, a part of curtain-wall system, are gradually forced to improve thermal insulation performance in order to enhance the building energy efficiency. Also, Building Integrated Photovoltaics(BIPV) systems have been installed in the exterior side of the spandrel area, which is generally composed of windows. Those BIPVs aim to achieve high building energy efficiency and supply the electricity to building. However, if transparent BIPV module is combined with high insulated spandrel, it would reduce the PV efficiency for two major reasons. First, temperature in the air space, located between window layer and finishing layer of the spandrel area, can significantly increase by solar heat gain, because the space has a few air density relative to other spaces in building. Secondly, PV has a characteristics of decreased Voltage(Voc and Vmp) with the increased temperature on the PV cell. For these reasons, this research analyzed a direct interrelation between PV Cell temperature and electricity generation performance under different insulation conditions in the spandrel area. The different insulation conditions under consideration are 1) high insulated spandrel(HIS) 2) low insulated spandrel(LIS) 3) PV stand alone on the ground(SAG). As a result, in case of 1) HIS, PV temperature was increased and thus electricity generation efficiency was decreased more than other cases. To be specific, eachcases" maximum temperature indicated that 1) HIS is 88.8℃, 2) LIS is 74.2℃, and 3) SAG is 66.3℃. Also, each cases yield electricity generation like that 1) HIS is 913.3kWh/kWp, 2) LIS is 942.8kWh/kWp, and 3) SAG is 981.3kWh/kWp. These result showed that it is needed for us to seek to the way how the PV Cell temperature would be decreased.

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Abstract
1. 서론
2.태양전지 온도와 발전성능의 상관관계
3.BIPV창호의 온도 및 발전성능 이론적 해석 방법
4.실측실험을 통한 스팬드럴 해석모델의 검증
5.단열수준에 따른 연간 온도 및 발전성능평가
6. 결론
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UCI(KEPA) : I410-ECN-0101-2013-563-003321581