pvanalytics.features.snow.get_irradiance_sapm#
- pvanalytics.features.snow.get_irradiance_sapm(temp_cell, i_mp, imp0, c0, c1, alpha_imp, irrad_ref=1000, temp_ref=25)#
Model effective irradiance from current at maximum power and cell temperature.
Solves Eqn. 2 from 1.
- Parameters
temp_cell (array-like) – Temperature of cells inside module. [degrees C]
i_mp (array-like) – Maximum power current at the resolution of a single module. [A]
imp0 (float) – Short-circuit current at reference condition. [A]
c0 (float) – Empirically determined coefficients relating
i_mp
to effective irradiance.c1 (float) – Empirically determined coefficients relating
i_mp
to effective irradiance.alpha_imp (float) – Normalized temperature coefficient for short-circuit current. [1/°C]
irrad_ref (float, default 1000) – Reference irradiance. [W/m2]
temp_ref (float, default 25) – Reference cell temperature. [degrees C]
- Returns
effective_irradiance – Effective irradiance. [W/m2]
- Return type
array-like
References
- 1
D. L. King, E.E. Boyson, and J.A. Kratochvil, “Photovoltaic Array Performance Model”, SAND2004-3535, Sandia National Laboratories, Albuquerque, NM, 2004.
Examples using pvanalytics.features.snow.get_irradiance_sapm
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Quantifying the effects of snow cover