STUDY ON PRACTICAL PROBABILITY DENSITY FUNCTION OF SOLAR IRRADIATION IN MULTI-ORIENTATIONS

Zhang Yaqin; Xu Zheng; Yu Haiheng; Qiu Zongxu

doi:10.19912/j.0254-0096.tynxb.2021-0192

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (11) : 132-139. DOI: 10.19912/j.0254-0096.tynxb.2021-0192

STUDY ON PRACTICAL PROBABILITY DENSITY FUNCTION OF SOLAR IRRADIATION IN MULTI-ORIENTATIONS

Zhang Yaqin¹, Xu Zheng¹, Yu Haiheng¹, Qiu Zongxu²

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Abstract

Based on the data collected by the 12-direction solar irradiance remote monitoring systems installed in many cities in China, the probability distribution characteristics in different regions are analyzed and compared. Regarding the truncated bimodality, time series periodicity and uncertainty of the probability distribution, a double-beta hybrid model is applied to construct the probability density function of solar irradiance in different orientations and different time scales （year, month, and hour）. The corresponding database can provide a scientific basis for the planning and construction of photovoltaic power generation systems, and a mathematical model can be provided for the study of its impact on the security and stable operation of power grid as well.

Key words

solar energy / solar radiation / probability density function / remote monitoring / bimodality / double-beta hybrid model

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Zhang Yaqin, Xu Zheng, Yu Haiheng, Qiu Zongxu. STUDY ON PRACTICAL PROBABILITY DENSITY FUNCTION OF SOLAR IRRADIATION IN MULTI-ORIENTATIONS[J]. Acta Energiae Solaris Sinica. 2022, 43(11): 132-139 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0192

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