DEVELOPMENT OF A SIMPLIFIED ESTIMATION METHOD FOR SPECTRAL GLOBAL SOLAR IRRADIANCE INCLUDING ULTRAVIOLET, VISIBLE, AND NEAR-INFRARED IRRADIANCE

In order to evaluate energy saving performance of multi-coated glazings and photovoltaic systems in buildings, spectral solar irradiance data are required. Although broadband included existing weather for building simulation, not included. this paper, a simplified regression formula that estimates global between 0.3 2.5 μm under all conditions from irradiance, air temperature, humidity, is presented. Furthermore, three kinds correction equations correct the created using clearness index, air-mass, precipitable water.