pvlib.irradiance.get_total_irradiance¶
-
pvlib.irradiance.
get_total_irradiance
(surface_tilt, surface_azimuth, solar_zenith, solar_azimuth, dni, ghi, dhi, dni_extra=None, airmass=None, albedo=0.25, surface_type=None, model='isotropic', model_perez='allsitescomposite1990', **kwargs)[source]¶ Determine total in-plane irradiance and its beam, sky diffuse and ground reflected components, using the specified sky diffuse irradiance model.
\[I_{tot} = I_{beam} + I_{sky diffuse} + I_{ground}\]- Sky diffuse models include:
- isotropic (default)
- klucher
- haydavies
- reindl
- king
- perez
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.
- dni (numeric) – Direct Normal Irradiance
- ghi (numeric) – Global horizontal irradiance
- dhi (numeric) – Diffuse horizontal irradiance
- dni_extra (None or numeric, default None) – Extraterrestrial direct normal irradiance
- airmass (None or numeric, default None) – Airmass
- albedo (numeric, default 0.25) – Surface albedo
- surface_type (None or String, default None) – Surface type. See grounddiffuse.
- model (String, default 'isotropic') – Irradiance model.
- model_perez (String, default 'allsitescomposite1990') – Used only if model=’perez’. See
perez()
.
Returns: total_irrad (OrderedDict or DataFrame) – Contains keys/columns
'poa_global', 'poa_direct', 'poa_diffuse', 'poa_sky_diffuse', 'poa_ground_diffuse'
.