Abstract
Since the transient effects produced by clouds are manifest at sub-minute intervals, the accurate assessment of the performance of photovoltaic and solar-thermal systems requires high temporal resolution solar irradiance data. Different statistical quantifiers that describe the variability in solar irradiance time-series have been developed for characterizing the solar radiative regime over a given time interval. In this paper, two improved quantifiers for characterizing the stability of the solar radiative regime are proposed and assessed in relation to the traditional ones. A comparative study on the ability of these indicators to classify the days according to their stability is performed. The conclusions are illustrated with measurements performed on the Solar Platform of the West University of Timisoara, Romania at equal time intervals of 15 s.
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Acknowledgments
This work was supported by the Romanian National Authority for Scientific Research and Innovation, CNCS/CCCDI - UEFISCDI, project number PN-III-P2-2,1-PED-2016-0592.
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Blaga, R., Paulescu, M. (2018). Characterizing the Variability of High Resolution Solar Irradiance Data Series. In: Visa, I., Duta, A. (eds) Nearly Zero Energy Communities. CSE 2017. Springer Proceedings in Energy. Springer, Cham. https://doi.org/10.1007/978-3-319-63215-5_24
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DOI: https://doi.org/10.1007/978-3-319-63215-5_24
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