class_ems: AC / DC Charging

class_optimize: Timing Bugs fixed
class_numpy_encoder: JSON Encoder with Numpy support
visualize: AC / DC / Discharge
test_class_ems_2: New Test for AC / DC charging decision

tests/test_class_ems_2.py

@@ -0,0 +1,224 @@
+import numpy as np
+import pytest
+from akkudoktoreos.visualize import *
+
+from akkudoktoreos.class_akku import PVAkku
+from akkudoktoreos.class_ems import EnergieManagementSystem
+from akkudoktoreos.class_haushaltsgeraet import Haushaltsgeraet
+from akkudoktoreos.class_inverter import Wechselrichter  # Example import
+
+prediction_hours = 48
+optimization_hours = 24
+start_hour = 0
+
+
+# Example initialization of necessary components
+@pytest.fixture
+def create_ems_instance():
+    """
+    Fixture to create an EnergieManagementSystem instance with given test parameters.
+    """
+    # Initialize the battery and the inverter
+    akku = PVAkku(kapazitaet_wh=5000, start_soc_prozent=80, hours=48, min_soc_prozent=10)
+    akku.reset()
+    wechselrichter = Wechselrichter(10000, akku)
+
+    # Household device (currently not used, set to None)
+    home_appliance = Haushaltsgeraet(
+        hours=prediction_hours,
+        verbrauch_wh=2000,
+        dauer_h=2,
+    )
+    home_appliance.set_startzeitpunkt(2)
+
+    # Example initialization of electric car battery
+    eauto = PVAkku(kapazitaet_wh=26400, start_soc_prozent=100, hours=48, min_soc_prozent=100)
+
+    # Parameters based on previous example data
+    pv_prognose_wh = np.full(prediction_hours, 0)
+    pv_prognose_wh[10] = 5000.0
+    pv_prognose_wh[11] = 5000.0
+ 
+
+    strompreis_euro_pro_wh = np.full(48, 0.001)
+    strompreis_euro_pro_wh [0:10] = 0.00001
+    strompreis_euro_pro_wh [11:15] = 0.00005
+    strompreis_euro_pro_wh [20] = 0.00001
+
+    einspeiseverguetung_euro_pro_wh = [0.00007] * len(strompreis_euro_pro_wh)
+
+    gesamtlast = [
+        676.71,
+        876.19,
+        527.13,
+        468.88,
+        531.38,
+        517.95,
+        483.15,
+        472.28,
+        1011.68,
+        995.00,
+        1053.07,
+        1063.91,
+        1320.56,
+        1132.03,
+        1163.67,
+        1176.82,
+        1216.22,
+        1103.78,
+        1129.12,
+        1178.71,
+        1050.98,
+        988.56,
+        912.38,
+        704.61,
+        516.37,
+        868.05,
+        694.34,
+        608.79,
+        556.31,
+        488.89,
+        506.91,
+        804.89,
+        1141.98,
+        1056.97,
+        992.46,
+        1155.99,
+        827.01,
+        1257.98,
+        1232.67,
+        871.26,
+        860.88,
+        1158.03,
+        1222.72,
+        1221.04,
+        949.99,
+        987.01,
+        733.99,
+        592.97,
+    ]
+
+    # Initialize the energy management system with the respective parameters
+    ems = EnergieManagementSystem(
+        pv_prognose_wh=pv_prognose_wh,
+        strompreis_euro_pro_wh=strompreis_euro_pro_wh,
+        einspeiseverguetung_euro_pro_wh=einspeiseverguetung_euro_pro_wh,
+        eauto=eauto,
+        gesamtlast=gesamtlast,
+        haushaltsgeraet=home_appliance,
+        wechselrichter=wechselrichter,
+    )
+
+
+    ac= np.full(prediction_hours,0)
+    ac[20] = 1
+    ems.set_akku_ac_charge_hours(ac)
+    dc= np.full(prediction_hours,0)
+    dc[11] = 1
+    ems.set_akku_dc_charge_hours(dc)
+
+    return ems
+
+
+def test_simulation(create_ems_instance):
+    """
+    Test the EnergieManagementSystem simulation method.
+    """
+    ems = create_ems_instance
+
+    # Simulate starting from hour 0 (this value can be adjusted)
+    result = ems.simuliere(start_stunde=start_hour)
+
+    # --- Pls do not remove! ---
+    # visualisiere_ergebnisse(
+    #     ems.gesamtlast,
+    #     ems.pv_prognose_wh,
+    #     ems.strompreis_euro_pro_wh,
+    #     result,
+    #     ems.akku.discharge_array+ems.akku.charge_array,
+    #     None,
+    #     ems.pv_prognose_wh,
+    #     start_hour,
+    #     48,
+    #     np.full(48, 0.0),
+    #     filename="visualization_results.pdf",
+    #     extra_data=None,
+    # )
+
+    # Assertions to validate results
+    assert result is not None, "Result should not be None"
+    assert isinstance(result, dict), "Result should be a dictionary"
+    assert "Last_Wh_pro_Stunde" in result, "Result should contain 'Last_Wh_pro_Stunde'"
+
+    """
+    Check the result of the simulation based on expected values.
+    """
+    # Example result returned from the simulation (used for assertions)
+    assert result is not None, "Result should not be None."
+
+    # Check that the result is a dictionary
+    assert isinstance(result, dict), "Result should be a dictionary."
+
+    # Verify that the expected keys are present in the result
+    expected_keys = [
+        "Last_Wh_pro_Stunde",
+        "Netzeinspeisung_Wh_pro_Stunde",
+        "Netzbezug_Wh_pro_Stunde",
+        "Kosten_Euro_pro_Stunde",
+        "akku_soc_pro_stunde",
+        "Einnahmen_Euro_pro_Stunde",
+        "Gesamtbilanz_Euro",
+        "E-Auto_SoC_pro_Stunde",
+        "Gesamteinnahmen_Euro",
+        "Gesamtkosten_Euro",
+        "Verluste_Pro_Stunde",
+        "Gesamt_Verluste",
+        "Haushaltsgeraet_wh_pro_stunde",
+    ]
+
+    for key in expected_keys:
+        assert key in result, f"The key '{key}' should be present in the result."
+
+    # Check the length of the main arrays
+    assert (
+        len(result["Last_Wh_pro_Stunde"]) == 48
+    ), "The length of 'Last_Wh_pro_Stunde' should be 48."
+    assert (
+        len(result["Netzeinspeisung_Wh_pro_Stunde"]) == 48
+    ), "The length of 'Netzeinspeisung_Wh_pro_Stunde' should be 48."
+    assert (
+        len(result["Netzbezug_Wh_pro_Stunde"]) == 48
+    ), "The length of 'Netzbezug_Wh_pro_Stunde' should be 48."
+    assert (
+        len(result["Kosten_Euro_pro_Stunde"]) == 48
+    ), "The length of 'Kosten_Euro_pro_Stunde' should be 48."
+    assert (
+        len(result["akku_soc_pro_stunde"]) == 48
+    ), "The length of 'akku_soc_pro_stunde' should be 48."
+
+    # Verfify DC and AC Charge Bins 
+    assert (
+        abs(result["akku_soc_pro_stunde"][10] - 10.0) < 1e-5
+    ), "'akku_soc_pro_stunde[10]' should be 10."    
+    assert (
+        abs(result["akku_soc_pro_stunde"][11] -79.275184) < 1e-5
+    ), "'akku_soc_pro_stunde[11]' should be 79.275184."    
+
+    assert (
+        abs(result["Netzeinspeisung_Wh_pro_Stunde"][10] - 3946.93) < 1e-3
+    ), "'Netzeinspeisung_Wh_pro_Stunde[11]' should be 4000."    
+
+    assert (
+        abs(result["Netzeinspeisung_Wh_pro_Stunde"][11] - 0.0) < 1e-3
+    ), "'Netzeinspeisung_Wh_pro_Stunde[11]' should be 0.0."    
+
+    assert (
+        abs(result["akku_soc_pro_stunde"][20] - 98
+            ) < 1e-5
+    ), "'akku_soc_pro_stunde[11]' should be 98."  
+    assert (
+        abs(result["Last_Wh_pro_Stunde"][20] - 5450.98) < 1e-3
+    ), "'Netzeinspeisung_Wh_pro_Stunde[11]' should be 0.0."    
+
+
+    print("All tests passed successfully.")