期刊
REMOTE SENSING
卷 13, 期 17, 页码 -出版社
MDPI
DOI: 10.3390/rs13173422
关键词
the Korean solar irradiance dataset; satellite-derived solar irradiance; solar energy resource assessment; photovoltaic system; capacity factor
类别
资金
- Korea Institute of Energy Research [C1-2410]
The Korea Institute of Energy Research has constructed Korean solar irradiance datasets, indicating that the southern region is suitable for establishing solar power plants. Additionally, solar insolation is influenced by geographical factors, playing a crucial role in the distribution of solar irradiance.
The Korea Institute of Energy Research builds Korean solar irradiance datasets, using gridded solar insolation estimates derived using the University of Arizona solar irradiance based on Satellite-Korea Institute of Energy Research (UASIBS-KIER) model, with the incorporation of geostationary satellites over the Korean Peninsula, from 1996 to 2019. During the investigation period, the monthly mean of daily total irradiance was in a good agreement with the in situ measurements at 18 ground stations; the mean absolute error is also normalized to 9.4%. It is observed that the irradiance estimates in the datasets have been gradually increasing at a rate of 0.019 kWh m(-2) d(-1) per year. The monthly variation in solar irradiance indicates that the meteorological conditions in the spring season dominate the annual solar insolation. In addition, the local distribution of solar irradiance is primarily affected by the geographical environment; higher solar insolation is observed in the southern part of Korea, but lower solar insolation is observed in the mountainous range in Korea. The annual capacity factor is the secondary output from the Korean solar irradiance datasets. The reliability of the estimate of this factor is proven by the high correlation coefficient of 0.912. Thus, in accordance with the results from the spatial distribution of solar irradiance, the southern part of Korea is an appropriate region for establishing solar power plants exhibiting a higher annual capacity factor than the other regions.
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