Estimation of daily diffuse solar radiation in China

Zhou Jin, Wu Yezheng and Yan Gang

Renewable Energy, 2004, vol. 29, issue 9, 1537-1548

Abstract: Applying the measured global and diffuse solar radiation data from 78 meteorological stations in China, a countrywide general correlation model for calculating the daily diffuse radiation was derived on the basis of Liu and Jordan method. Two widely used statistics: root mean square error and mean bias error were used to assess the performance of the correlation. And the correlation shows good behavior when applied to most of the stations. Subsequently, with the measured data from the 78 stations, an analysis of geographical distribution of solar energy resource in China was also presented in the form of clearness index (the ratio of global solar radiation to extraterrestrial radiation) percentage frequency, and results show that the solar energy resource in western and northern China is relatively abundant.

Keywords: Diffuse radiation; Global solar radiation; Correlation models; Geographical distribution (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:29:y:2004:i:9:p:1537-1548

DOI: 10.1016/j.renene.2004.01.014

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