pvlib.irradiance.aoi¶
-
pvlib.irradiance.
aoi
(surface_tilt, surface_azimuth, solar_zenith, solar_azimuth)[source]¶ Calculates the angle of incidence of the solar vector on a surface. This is the angle between the solar vector and the surface normal.
Input all angles in degrees.
Parameters: - surface_tilt : numeric
Panel tilt from horizontal.
- surface_azimuth : numeric
Panel azimuth from north.
- solar_zenith : numeric
Solar zenith angle.
- solar_azimuth : numeric
Solar azimuth angle.
Returns: - aoi : numeric
Angle of incidence in degrees.