주택지붕용 2㎾p BIPV시스템의 성능 실험 및 전기 부하 감당에 관한 연구
The Performance and Energy Saving Effect of a 2kWp Roof-Integrated Photovoltaic System
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Abstract
The efficiency of building-integrated photovoltaic(BIPV) system is mainly determined by solar radiation and the temperature of PV modules. The performance of BIPV systems is reported to be different from that of conventional PV systems installed in the open-air. This paper presents the relationship of solar radiation and electricity generation from a 2㎾p roof-integrated PV system that is applied as building elements on an experimental house, and the energy saving effect of the BIPV system for a typical house. For the performance evaluation of the BIPV system, it produced a regression equation with measured data for winter days. The regression equation showed that a comparison of the measured electricity generation and the predicted electricity generation of the BIPV system were meaningful. It showed that an annual electricity generation of the system appeared to cover around 52% of an annual electricity consumption of a typical domestic house with the floor area of 96m2.Keywards : 지붕통합형 태양광발전(roof-integrated photovoltaic), 실험평가(experimental evaluation), 전력생산량(generated electricity), 일사량(solar radiation), 전기부하절약효과(electrical load saving effect)
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