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Add examples for run_model_from_poa() and run_model_from_effective_irradiance() #2621

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Add examples for run_model_from_poa() and run_model_from_effective_irradiance() #2621

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e73a4e8
Add examples for run_model_from_poa and run_model_from_effective_irra…
Chirag3841 Dec 11, 2025
b0aaaa1
Update pvlib/modelchain.py
Chirag3841 Dec 11, 2025
94a7864
Fix lint errors (W291 trailing whitespace)
Chirag3841 Dec 12, 2025
8e54b17
Fix lint errors (W291/W293) in modelchain.py
Chirag3841 Dec 12, 2025
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88 changes: 88 additions & 0 deletions pvlib/modelchain.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1713,6 +1713,50 @@
of Arrays in the PVSystem.
ValueError
If the DataFrames in `data` have different indexes.
Examples
--------
Single-array system:
>>> import pandas as pd
>>> from pvlib.pvsystem import PVSystem
>>> from pvlib.location import Location
>>> from pvlib.modelchain import ModelChain
>>>
>>> system = PVSystem(module_parameters={'pdc0': 300})
>>> location = Location(35, -110)
>>> mc = ModelChain(system, location)
>>>
>>> poa = pd.DataFrame({
... 'poa_global': [900, 850],
... 'poa_direct': [600, 560],
... 'poa_diffuse': [300, 290],
... },

Check failure on line 1733 in pvlib/modelchain.py

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W291 trailing whitespace
... index=pd.date_range("2021-06-01", periods=2, freq="H"))
>>>
>>> mc.run_model_from_poa(poa)
<pvlib.modelchain.ModelChain ...>
Multi-array system:
>>> array1 = Array(tilt=30, azimuth=180)
>>> array2 = Array(tilt=10, azimuth=90)
>>> system = PVSystem(arrays=[array1, array2],
... module_parameters={'pdc0': 300})
>>> mc = ModelChain(system, location)
>>> poa1 = pd.DataFrame({
... 'poa_global': [900, 880],
... 'poa_direct': [600, 580],
... 'poa_diffuse': [300, 300],
... },
... index=pd.date_range("2021-06-01", periods=2, freq="H"))
>>> poa2 = pd.DataFrame({
... 'poa_global': [700, 720],
... 'poa_direct': [400, 420],
... 'poa_diffuse': [300, 300],
... },
... index=poa1.index)
>>> mc.run_model_from_poa([poa1, poa2])
<pvlib.modelchain.ModelChain ...>
Notes
-----
Expand Down Expand Up @@ -1798,6 +1842,50 @@
of Arrays in the PVSystem.
ValueError
If the DataFrames in `data` have different indexes.
Examples
--------
Single-array system:
>>> import pandas as pd
>>> from pvlib.pvsystem import PVSystem
>>> from pvlib.location import Location
>>> from pvlib.modelchain import ModelChain
>>>
>>> system = PVSystem(module_parameters={'pdc0': 300})
>>> location = Location(35, -110)
>>> mc = ModelChain(system, location)
>>>
>>> eff = pd.DataFrame({
... 'effective_irradiance': [900, 920],
... 'temp_air': [25, 24],
... 'wind_speed': [2.0, 1.5],
... },
... index=pd.date_range("2021-06-01", periods=2, freq="H"))
>>>
>>> mc.run_model_from_effective_irradiance(eff)
<pvlib.modelchain.ModelChain ...>
Multi-array system:
>>> array1 = Array(tilt=30, azimuth=180)
>>> array2 = Array(tilt=10, azimuth=90)
>>> system = PVSystem(arrays=[array1, array2],
... module_parameters={'pdc0': 300})
>>> mc = ModelChain(system, location)
>>> eff1 = pd.DataFrame({
... 'effective_irradiance': [900, 920],
... 'temp_air': [25, 24],
... 'wind_speed': [2.0, 1.5],
... },
... index=pd.date_range("2021-06-01", periods=2, freq="H"))
>>> eff2 = pd.DataFrame({
... 'effective_irradiance': [600, 630],
... 'temp_air': [26, 25],
... 'wind_speed': [1.8, 1.2],
... },
... index=eff1.index)
>>> mc.run_model_from_effective_irradiance([eff1, eff2])
<pvlib.modelchain.ModelChain ...>
Notes
-----
Expand Down
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