PREDICTION SYSTEM FOR SHORT-TERM SOLAR IRRADIANCE AND METHOD FOR OPERATING THE SAME

摘要

The present invention relates to a prediction system for short-term solar irradiance and the method for operating the same. A total sky imager is adopted for acquiring sky images. After imaging, the images are operated for calculating the shading value of sunlight according to the sky images. Then, according to the shading values of sunlight for different times, the trend value for power generation can be calculated. According to the trend value of power generation, whether to start other power sources via power deployment in the near future can be determined and thus maintaining the stability of the overall power grid.

主权项

1. A prediction system for short-term solar irradiance comprising:
one or more sky imager, including a reflecting unit and an imaging unit, said imaging unit receiving the reflection light from said reflecting unit and giving a plurality of sky images based on an imaging frequency; an operational module, connected with said sky imager, acquiring said plurality of sky images, calculating a plurality of shading values of sunlight using said plurality of sky images, calculating a plurality of predicted power generation values of a solar power plant, and calculating a trend value of power generation using said imaging frequency and said plurality of predicted power generation values; and a power deployment module, connected with said operating module, and adjusting the power generation of a backup power source using said trend value of power generation.