Short-Term Forecasting Models for Photovoltaic Plants: Analytical versus Soft-Computing Techniques

Table 1

Available input variables.

SWDOWN	Surface downward shortwave radiation (W/m^2)
Temp	Surface temperature (°K)
SHFLUX	Surface sensible heat flux (W/m^2)
LHFLUX	Surface latent heat flux (W/m^2)
LWDOWN	Surface downward longwave radiation (W/m^2)
SWOUT	Top outgoing shortwave radiation (W/m^2)
LWOUT	Top outgoing longwave radiation (W/m^2)
𝑋8	Sine of the elapsed fraction of the year
𝑋9	Cosine of the elapsed fraction of the year
𝑋10	Sine of the elapsed fraction of the day
𝑋11	Cosine of the elapsed fraction of the day