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Optimierung Entladezustand Akku
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@ -1,14 +1,26 @@
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import numpy as np
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class PVAkku:
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def __init__(self, kapazitaet_wh):
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# Kapazität des Akkus in Wh
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self.kapazitaet_wh = kapazitaet_wh
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# Initialer Ladezustand des Akkus in Wh
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self.soc_wh = 0
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self.discharge_array = np.full(24, 1)
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def reset(self):
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self.soc_wh = 0
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self.discharge_array = np.full(24, 1)
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def set_discharge_per_hour(self, discharge_array):
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assert(len(discharge_array) == 24)
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self.discharge_array = discharge_array
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def ladezustand_in_prozent(self):
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return (self.soc_wh / self.kapazitaet_wh) * 100
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def energie_abgeben(self, wh):
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def energie_abgeben(self, wh, hour):
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if self.discharge_array[hour] == 0:
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return 0.0
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if self.soc_wh >= wh:
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self.soc_wh -= wh
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return wh
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@ -39,6 +39,12 @@ class EnergieManagementSystem:
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self.pv_prognose_wh = pv_prognose_wh
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self.strompreis_cent_pro_wh = strompreis_cent_pro_wh # Strompreis in Cent pro Wh
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self.einspeiseverguetung_cent_pro_wh = einspeiseverguetung_cent_pro_wh # Einspeisevergütung in Cent pro Wh
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def set_akku_discharge_hours(self, ds):
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self.akku.set_discharge_per_hour(ds)
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def reset(self):
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self.akku.reset()
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def simuliere(self):
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eigenverbrauch_wh_pro_stunde = []
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netzeinspeisung_wh_pro_stunde = []
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@ -67,7 +73,7 @@ class EnergieManagementSystem:
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else:
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netzeinspeisung_wh_pro_stunde.append(0.0)
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benötigte_energie = verbrauch - erzeugung
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aus_akku = self.akku.energie_abgeben(benötigte_energie)
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aus_akku = self.akku.energie_abgeben(benötigte_energie, stunde)
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stündlicher_netzbezug_wh = benötigte_energie - aus_akku
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netzbezug_wh_pro_stunde.append(stündlicher_netzbezug_wh)
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eigenverbrauch_wh_pro_stunde.append(erzeugung)
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@ -86,7 +92,10 @@ class EnergieManagementSystem:
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'Kosten_Euro_pro_Stunde': kosten_euro_pro_stunde,
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'akku_soc_pro_stunde': akku_soc_pro_stunde,
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'Einnahmen_Euro_pro_Stunde': einnahmen_euro_pro_stunde,
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'Gesamtkosten_Euro': gesamtkosten_euro
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'Gesamtbilanz_Euro': gesamtkosten_euro,
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'Gesamteinnahmen_Euro': sum(einnahmen_euro_pro_stunde),
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'Gesamtkosten_Euro': sum(kosten_euro_pro_stunde)
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}
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# def simuliere(self):
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@ -57,7 +57,12 @@ def visualisiere_ergebnisse(last, pv_forecast, strompreise, ergebnisse):
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# Zusammenfassende Finanzen
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plt.subplot(3, 2, 3)
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gesamtkosten = ergebnisse['Gesamtkosten_Euro']
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plt.bar('Gesamtkosten', gesamtkosten, color='red' if gesamtkosten > 0 else 'green')
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gesamteinnahmen = ergebnisse['Gesamteinnahmen_Euro']
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gesamtbilanz = ergebnisse['Gesamtbilanz_Euro']
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plt.bar('GesamtKosten', gesamtkosten, color='red' if gesamtkosten > 0 else 'green')
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plt.bar('GesamtEinnahmen', gesamteinnahmen, color='red' if gesamtkosten > 0 else 'green')
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plt.bar('GesamtBilanz', gesamtbilanz, color='red' if gesamtkosten > 0 else 'green')
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plt.title('Gesamtkosten')
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plt.ylabel('Euro')
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@ -67,3 +72,4 @@ def visualisiere_ergebnisse(last, pv_forecast, strompreise, ergebnisse):
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plt.tight_layout()
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plt.show()
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68
test.py
68
test.py
@ -9,8 +9,9 @@ from modules.class_strompreis import *
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from pprint import pprint
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import matplotlib.pyplot as plt
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from modules.visualize import *
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from deap import base, creator, tools, algorithms
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import numpy as np
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import random
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date = "2024-02-16"
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@ -18,7 +19,17 @@ akku_size = 1000 # Wh
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year_energy = 2000*1000 #Wh
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einspeiseverguetung_cent_pro_wh = np.full(24, 7/1000.0)
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akku = PVAkku(akku_size)
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discharge_array = np.full(24,1)
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# discharge_array[12] = 0
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# discharge_array[13] = 0
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# discharge_array[14] = 0
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# discharge_array[15] = 0
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# discharge_array[16] = 0
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# discharge_array[17] = 0
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# discharge_array[18] = 1
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# akku.set_discharge_per_hour(discharge_array)
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# Load Forecast
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lf = LoadForecast(filepath=r'load_profiles.npz', year_energy=year_energy)
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@ -40,7 +51,58 @@ specific_date_prices = price_forecast.get_prices_for_date(date)
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# EMS / Stromzähler Bilanz
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ems = EnergieManagementSystem(akku, specific_date_load, pv_forecast, specific_date_prices, einspeiseverguetung_cent_pro_wh)
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o = ems.simuliere()
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pprint(o)
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pprint(o["Gesamtbilanz_Euro"])
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# Optimierung
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# Fitness-Funktion (muss Ihre EnergieManagementSystem-Logik integrieren)
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def evaluate(individual):
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# Hier müssen Sie Ihre Logik einbauen, um die Gesamtbilanz zu berechnen
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# basierend auf dem gegebenen `individual` (discharge_array)
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#akku.set_discharge_per_hour(individual)
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ems.reset()
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ems.set_akku_discharge_hours(individual)
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o = ems.simuliere()
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gesamtbilanz = o["Gesamtbilanz_Euro"]
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#print(individual, " ",gesamtbilanz)
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return (gesamtbilanz,)
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# Werkzeug-Setup
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creator.create("FitnessMin", base.Fitness, weights=(-1.0,))
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creator.create("Individual", list, fitness=creator.FitnessMin)
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toolbox = base.Toolbox()
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toolbox.register("attr_bool", random.randint, 0, 1)
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toolbox.register("individual", tools.initRepeat, creator.Individual, toolbox.attr_bool, 24)
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toolbox.register("population", tools.initRepeat, list, toolbox.individual)
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toolbox.register("evaluate", evaluate)
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toolbox.register("mate", tools.cxTwoPoint)
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toolbox.register("mutate", tools.mutFlipBit, indpb=0.05)
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toolbox.register("select", tools.selTournament, tournsize=3)
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# Genetischer Algorithmus
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def optimize():
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population = toolbox.population(n=100)
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hof = tools.HallOfFame(1)
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stats = tools.Statistics(lambda ind: ind.fitness.values)
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stats.register("avg", np.mean)
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stats.register("min", np.min)
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stats.register("max", np.max)
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algorithms.eaSimple(population, toolbox, cxpb=0.5, mutpb=0.2, ngen=100,
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stats=stats, halloffame=hof, verbose=True)
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return hof[0]
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best_solution = optimize()
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print("Beste Lösung:", best_solution)
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ems.set_akku_discharge_hours(best_solution)
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o = ems.simuliere()
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pprint(o["Gesamtbilanz_Euro"])
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visualisiere_ergebnisse(specific_date_load, pv_forecast, specific_date_prices, o)
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