8000 Add noct_sam cell temperature model to PVSystem, ModelChain by cwhanse · Pull Request #1195 · pvlib/pvlib-python · GitHub
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Add noct_sam cell temperature model to PVSystem, ModelChain #1195

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Merged
merged 15 commits into from
Mar 15, 2021
Merged

Add noct_sam cell temperature model to PVSystem, ModelChain #1195

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74800b0
add ModelChain, PVSystem methods
cwhanse Mar 12, 2021
2fbd304
first cut at pvsystem tests
cwhanse Mar 12, 2021
c3175b0
fix iterable, called_once_with in test
cwhanse Mar 13, 2021
64b16bf
derp
cwhanse Mar 13, 2021
e176da8
handling of optional argument, misspelling
cwhanse Mar 13, 2021
5608f9a
mimic ModelChain tests to noct_sam
cwhanse Mar 13, 2021
4a1dea3
add required params to test fixture
cwhanse Mar 13, 2021
37ffb87
fix key value
cwhanse Mar 13, 2021
aab7d96
complete test spec
cwhanse Mar 13, 2021
3b50f1a
complete test coverage, whatsnew
cwhanse Mar 13, 2021
3616e82
docstring work
cwhanse Mar 13, 2021
dcb6fbc
additions to api
cwhanse Mar 13, 2021
84a452c
docstring reverts, raise if missing arg
cwhanse Mar 14, 2021
2664783
add types to method test
cwhanse Mar 15, 2021
9613bb8
edits from review
cwhanse Mar 15, 2021
8000
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mimic ModelChain tests to noct_sam
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@cwhanse
cwhanse committed Mar 13, 2021
commit 5608f9af160efb83420c8a1915faa1e03a063110
39 changes: 36 additions & 3 deletions pvlib/tests/test_modelchain.py
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Original file line number Diff line number Diff line change
Expand Up @@ -223,6 +223,19 @@ def pvwatts_dc_pvwatts_ac_fuentes_temp_system():
return system



@pytest.fixture(scope="function")
def pvwatts_dc_pvwatts_ac_noct_sam_temp_system():
module_parameters = {'pdc0': 220, 'gamma_pdc': -0.003}
temp_model_params = {'noct': 45, 'eta_m_ref': 0.2}
inverter_parameters = {'pdc0': 220, 'eta_inv_nom': 0.95}
system = PVSystem(surface_tilt=32.2, surface_azimuth=180,
module_parameters=module_parameters,
temperature_model_parameters=temp_model_params,
inverter_parameters=inverter_parameters)
return system


@pytest.fixture(scope="function")
def system_no_aoi(cec_module_cs5p_220m, sapm_temperature_cs5p_220m,
cec_inverter_parameters):
Expand Down Expand Up @@ -693,6 +706,23 @@ def test_run_model_with_weather_fuentes_temp(sapm_dc_snl_ac_system, location,
assert not mc.results.ac.empty


def test_run_model_with_weather_noct_temp_temp(sapm_dc_snl_ac_system, location,
weather, mocker):
weather['wind_speed'] = 5
weather['temp_air'] = 10
sapm_dc_snl_ac_system.temperature_model_parameters = {
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#1196 will need to update for this one too

'noct': 45, 'eta_m_ref': 0.2
}
mc = ModelChain(sapm_dc_snl_ac_system, location)
mc.temperature_model = 'noct_sam'
m_noct_sam = mocker.spy(sapm_dc_snl_ac_system, 'noct_sam_celltemp')
mc.run_model(weather)
assert m_noct_sam.call_count == 1
assert_series_equal(m_noct_sam.call_args[0][1], weather['temp_air'])
assert_series_equal(m_noct_sam.call_args[0][2], weather['wind_speed'])
assert not mc.results.ac.empty


def test_run_model_tracker(sapm_dc_snl_ac_system, location, weather, mocker):
system = SingleAxisTracker(
module_parameters=sapm_dc_snl_ac_system.module_parameters,
Expand Down Expand Up @@ -907,7 +937,9 @@ def test__prepare_temperature_arrays_weather(sapm_dc_snl_ac_system_same_arrays,
({'u0': 25.0, 'u1': 6.84},
ModelChain.faiman_temp),
({'noct_installed': 45},
ModelChain.fuentes_temp)])
ModelChain.fuentes_temp),
({'noct': 45, 'eta_m_ref': 0.2},
ModelChain.noct_sam_temp)])
def test_temperature_models_arrays_multi_weather(
temp_params, temp_model,
sapm_dc_snl_ac_system_same_arrays,
Expand Down Expand Up @@ -1256,7 +1288,7 @@ def test_infer_spectral_model(location, sapm_dc_snl_ac_system,


@pytest.mark.parametrize('temp_model', [
'sapm_temp', 'faiman_temp', 'pvsyst_temp', 'fuentes_temp'])
'sapm_temp', 'faiman_temp', 'pvsyst_temp', 'fuentes_temp', 'noct_sam'])
def test_infer_temp_model(location, sapm_dc_snl_ac_system,
pvwatts_dc_pvwatts_ac_pvsyst_temp_system,
pvwatts_dc_pvwatts_ac_faiman_temp_system,
Expand All @@ -1265,7 +1297,8 @@ def test_infer_temp_model(location, sapm_dc_snl_ac_system,
dc_systems = {'sapm_temp': sapm_dc_snl_ac_system,
'pvsyst_temp': pvwatts_dc_pvwatts_ac_pvsyst_temp_system,
'faiman_temp': pvwatts_dc_pvwatts_ac_faiman_temp_system,
'fuentes_temp': pvwatts_dc_pvwatts_ac_fuentes_temp_system}
'fuentes_temp': pvwatts_dc_pvwatts_ac_fuentes_temp_system,
'noct_sam_temp': pvwatts_dc_pvwatts_ac_noct_sam_temp_system}
system = dc_systems[temp_model]
mc = ModelChain(system, location, aoi_model='physical',
spectral_model='no_loss')
Expand Down
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