Table 3 Data training and test set summary.
Database | TMY | SARAH | WB-ESMAP |
|---|---|---|---|
Type of Solar Irradiance | GSR (global beam direct solar irradiance in W/m2), DSR (Diffused solar irradiance in W/m2) | DNI (daily average solar radiation flux at the surface normal to the direction of the sun Wh/m2) | DHIRSI (Diffused Horizontal Irradiance in W/m2), GHISil (Global Horizontal Irradiance from silicon pyranometer in W/m2), GHIpyr (Global Horizontal Irradiance from thermopile pyranometer in W/m2) |
Data timestep | Hourly | Daily average | Minutes |
Data size | 12 years | 34 years | 2 years |
Data size (100%) | 105,192 × 7 | 12,670 × 4 | 566,251 × 13 |
Training dataset (90%) | 94,672 × 7 | 11,401 × 4 | 509,624 × 13 |
Test dataset (10%) | 10,517 × 7 | 1266 × 4 | 56,624 × 13 |
Input parameters | Year, month, day, hour, sun elevation, ambient temperature, wind speed at 10 m | Year, month, day, sunshine duration | Year, month, day, hour, minute, air temperature, relative humidity, wind speed, wind direction, calculated wind speed, sensor cleaning, precipitation, Barometric pressure |
