pvlib.pvsystem.PVSystem.sapm_spectral_loss¶
-
PVSystem.
sapm_spectral_loss
(airmass_absolute)[source]¶ Use the
sapm_spectral_loss()
function, the input parameters, andself.module_parameters
to calculate F1.- Parameters
airmass_absolute (numeric) – Absolute airmass.
- Returns
F1 (numeric or tuple of numeric) – The SAPM spectral loss coefficient.