HOURLY GLOBAL RADIATION MODIFIED MODEL BASED ON METEOROLOGICAL ELEMENTS&#x02014;&#x02014;A CASE STUDY OF XI&#x02019;AN

Yu Ying; Yao Xing; Tang Yifan; Yang Liu

doi:10.19912/j.0254-0096.tynxb.2021-1298

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (3) : 15-21. DOI: 10.19912/j.0254-0096.tynxb.2021-1298

HOURLY GLOBAL RADIATION MODIFIED MODEL BASED ON METEOROLOGICAL ELEMENTS——A CASE STUDY OF XI’AN

Yu Ying¹, Yao Xing¹, Tang Yifan¹, Yang Liu²

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Abstract

Meteorological elements were introduced to modify the decomposition model in this paper. A multi-meteorological element-modified model based on sunshine duration, temperature, and relative humidity was proposed for the C.P.R model. Based on the measured data of Xi’an from 2015.10.1-2017.7.31, the errors of the C.P.R model and modified model were compared on three types of weather. The results show that error indicators of the multi-meteorological element modified model are lower than those of the unmodified model, especially for cloudy weather, PRMSE can reduce by 2% on average. The multi-meteorological element-modified C.P.R model, taking the current situation of meteorological and radiation measured data into account, can provide a methodological reference for calculating the hourly global radiationon the horizontal plane for other regions.

Key words

solar energy / hourly global radiation / C.P.R modified model / weather type / error analysis

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Yu Ying, Yao Xing, Tang Yifan, Yang Liu. HOURLY GLOBAL RADIATION MODIFIED MODEL BASED ON METEOROLOGICAL ELEMENTS——A CASE STUDY OF XI’AN[J]. Acta Energiae Solaris Sinica. 2023, 44(3): 15-21 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1298

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