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- 저자 : Yasuhito Nakada (검색결과 2 건)
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Yasuhito Nakada,Hiroaki Takahashi,Kyoko Ichida,Takashi Minemoto,Hideyuki Takakura 한국물리학회 2010 Current Applied Physics Vol.10 No.2
Influences of clearness index (Kt) and air mass (AM) on both the sunlight and the outdoor performance of photovoltaic (PV) modules were analyzed. The Kt and AM strongly affect the intensity of solar irradiation and spectral irradiance distribution. In this study, the impacts of Kt and AM on an index for spectral irradiance distribution of average photon energy (APE) are analyzed using a contour maps and then the impacts of the environmental factors on the outdoor performance of single crystalline Si (sc-Si) and amorphous Si (a-Si) PV modules is discussed. As the result, it was found that APE increases with decreasing the Kt and AM. Furthermore, it was found that the outdoor performance of a-Si PV modules strongly depended on APE compared to sc-Si PV modules. Thus, APE can be estimated from the contour map with the Kt and AM.
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Outdoor performance evaluation of photovoltaic modules using contour plots
Takashi Minemoto,Hiroaki Takahashi,Yasuhito Nakada,Hideyuki Takakura 한국물리학회 2010 Current Applied Physics Vol.10 No.2
The impact of environmental parameters on different types of Si-based photovoltaic (PV) modules (single crystalline Si (sc-Si), amorphous Si (a-Si) and a-Si/ microcrystalline Si (μc-Si)) which have different spectral responses were characterized using contour plots. The contour plots of PV performance as a function of module temperature and spectral irradiance distribution were created to separate the impact of the two environmental parameters. The performance of the sc-Si PV module was dominated by the module temperature while those of a-Si and a-Si/lc-Si ones were mainly influenced by the spectral irradiance distribution. Furthermore, the frequency of outdoor conditions and the reliability of the contour plots of the PV performance were discussed for the evaluation of PV modules by means of energy production.
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