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Method of solar power prediction

  • US 10,007,999 B2
  • Filed: 08/10/2016
  • Issued: 06/26/2018
  • Est. Priority Date: 08/10/2016
  • Status: Active Grant
First Claim
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1. A method for forecasting solar insolation, the method comprising the steps of:

  • obtaining color whole sky images using a digital camera, wherein the color whole sky images are taken at different times, and wherein an image of a solar disk is present in at least one of the color whole sky images;

    creating sky transparency images from the color whole sky images;

    determining atmospheric solar scattering based on a width of the solar disk in the color whole sky images;

    determining cloud motion trajectories from a time series of the sky transparency images; and

    calculating the solar insolation as a function of time using the sky transparency, the atmospheric solar scattering, and the cloud motion trajectories.

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