pvlib.pvsystem.PVSystem.sapm_spectral_loss#

PVSystem.sapm_spectral_loss(airmass_absolute)[source]#

Use the pvlib.spectrum.spectral_factor_sapm() function, the input parameters, and self.module_parameters to calculate F1.

Parameters:: airmass_absolute (numeric) – Absolute airmass.
Returns:: F1 (numeric or tuple of numeric) – The SAPM spectral loss coefficient.