pvlib.pvsystem.PVSystem.sapm_spectral_loss

PVSystem.sapm_spectral_loss(airmass_absolute)[source]

Use the sapm_spectral_loss() 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.