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Calculation of solar irradiance profiles from hourly data to simulate energy systems behaviour

Author

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  • Notton, G.
  • Cristofari, C.
  • Poggi, P.
  • Muselli, M.

Abstract

In various studies of solar energy systems (sizing, estimation of production), we need solar irradiation data collected with a smaller time interval than those often available in databases (often hourly irradiations). We compare three models (constant, linear and extraterrestrial) which simulate an hourly profile of solar irradiance and allow the determination, with a given reliability, of minute data of global solar irradiation from hourly measured irradiations. These models are compared from the point of view of various statistical tests using data collected on a Mediterranean site. The extraterrestrial model shows very satisfying results and improves greatly the accuracy compared with a constant model.

Suggested Citation

  • Notton, G. & Cristofari, C. & Poggi, P. & Muselli, M., 2002. "Calculation of solar irradiance profiles from hourly data to simulate energy systems behaviour," Renewable Energy, Elsevier, vol. 27(1), pages 123-142.
    • Handle: RePEc:eee:renene:v:27:y:2002:i:1:p:123-142
    DOI: 10.1016/S0960-1481(01)00166-5
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    Cited by:

    1. Calif, Rudy & Soubdhan, Ted, 2016. "On the use of the coefficient of variation to measure spatial and temporal correlation of global solar radiation," Renewable Energy, Elsevier, vol. 88(C), pages 192-199.
    2. Avila, Alberto & Vizcaya, Pedro R. & Diez, Rafael, 2019. "Daily irradiance test signal for photovoltaic systems by selection from long-term data," Renewable Energy, Elsevier, vol. 131(C), pages 755-762.

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