iicd/simple-pv-simulator
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mhrooz
2024-05-04 09:58:05 +02:00
parent ed58e34e7e
commit c0a7b5beff
3 changed files with 80 additions and 22 deletions
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22
EnergySystem.py
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@@ -15,11 +15,12 @@ class EnergySystem:
time = row['time']
sunlight_intensity = row['sunlight']
factory_demand = row['demand']
electricity_price = self.grid.get_price_for_time(time)
# electricity_price = self.grid.get_price_for_time(time)
electricity_price = row['price']
generated_pv_power = self.pv.capacity * sunlight_intensity # 生成的功率，单位 kW
generated_pv_energy = generated_pv_power * time_interval * self.pv.loss # 生成的能量，单位 kWh
# pv生成的能量如果比工厂的需求要大
if generated_pv_energy >= factory_demand * time_interval:
# 剩余的能量(kwh) = pv生成的能量 - 工厂需求的功率 * 时间间隔
surplus_energy = generated_pv_energy - factory_demand * time_interval
@@ -34,21 +35,28 @@ class EnergySystem:
total_benefit += sell_income
# 节省的能量 = 工厂需求的能量 * 时间段
total_energy = factory_demand * time_interval
# pv比工厂的需求小
else:
# 从ess中需要的电量 = 工厂需要的电量 - pv中的电量
needed_from_ess = factory_demand * time_interval - generated_pv_energy
# 如果ess中村的电量比需要的多
if self.ess.storage >= needed_from_ess:
# 取出电量
discharging_power = min(self.ess.discharge_power * time_interval, needed_from_ess)
self.ess.storage -= discharging_power
# 生下来的能量 = pv的能量 + 放出来的能量
total_energy = generated_pv_energy + discharging_power
else:
total_energy = generated_pv_energy + self.ess.storage
self.ess.storage = 0
needed_from_grid = factory_demand * time_interval - total_energy
net_grid = min(self.grid.capacity * time_interval, needed_from_grid) * (1 - self.grid.loss)
total_energy += net_grid
print(total_energy)
unmet_demand = max(0, factory_demand * time_interval - total_energy)
benefit = (total_energy - unmet_demand) * electricity_price
net_grid = min(self.grid.capacity * time_interval, needed_from_grid) * self.grid.loss
# total_energy += net_grid
# print(total_energy)
# 工厂需求量-总能量
# unmet_demand = max(0, factory_demand * time_interval - total_energy)
# benefit = (total_energy - unmet_demand) * electricity_price
benefit = (total_energy) * electricity_price
total_benefit += benefit
return total_benefit

4
config.py
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@@ -16,8 +16,8 @@ class ess_config:
self.discharge_power = discharge_power
class grid_config:
def __init__(self, capacity, price_schedule, grid_loss, sell_price):
self.price_schedule = price_schedule
def __init__(self, capacity, grid_loss, sell_price):
# self.price_schedule = price_schedule
self.loss = grid_loss
self.sell_price = sell_price
self.capacity = capacity

76
main.py
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@@ -1,21 +1,71 @@
import matplotlib
import matplotlib.pyplot as plt
import seaborn as sns
import numpy as np
import pandas as pd
from EnergySystem import EnergySystem
from config import pv_config, grid_config, ess_config
if __name__ == '__main__':
price_schedule = pd.read_csv('price_schedule.csv')
data = pd.read_csv('simulation_data.csv')
pv = pv_config(capacity=100000,cost_per_kW=200,lifetime=25,loss=0.95)
ess = ess_config(capacity=100000,cost_per_kW=300,lifetime=25,loss=0.95,charge_power=100000,discharge_power=100000)
grid = grid_config(price_schedule=price_schedule, capacity=5000, grid_loss=0.95, sell_price=0.4)
energy_system = EnergySystem(pv_type=pv, ess_type=ess, grid_type=grid)
data = pd.read_csv('combined_data.csv')
time_interval = 15 / 60
benefit = energy_system.simulate(data=data, time_interval=time_interval)
print(benefit)
pv_loss = 0.95
pv_cost_per_kW = 200
pv_base = 50000
pv_lifetime = 25
ess_loss = 0.95
ess_cost_per_kW = 300
ess_base = 50000
ess_lifetime = 25
grid_loss = 0.95
sell_price = 0.4 #kWh
grid_capacity = 5000 #kWh
pv_step=10000
ess_step=10000
pv_capacities = np.linspace(50000, 150000, 11)
ess_capacities = np.linspace(50000, 150000, 11)
results = pd.DataFrame(index=pv_capacities, columns = ess_capacities)
for pv_capacity in pv_capacities:
print(f"pv_capacity:{pv_capacity}")
for ess_capacity in ess_capacities:
print(f"ess_capacity:{ess_capacity}")
pv = pv_config(capacity=pv_capacity,
cost_per_kW=pv_cost_per_kW,
lifetime=pv_lifetime,
loss=pv_loss)
ess = ess_config(capacity=ess_capacity,
cost_per_kW=ess_cost_per_kW,
lifetime=ess_lifetime,
loss=ess_loss,
charge_power=ess_capacity,
discharge_power=ess_capacity)
grid = grid_config(capacity=grid_capacity,
grid_loss=grid_loss,
sell_price= sell_price)
energySystem = EnergySystem(pv_type=pv,
ess_type=ess,
grid_type= grid)
benefit = energySystem.simulate(data, time_interval)
results.loc[pv_capacity,ess_capacity] = benefit
results = results.astype(float)
plt.figure(figsize=(10, 8)) # 设置图形大小
sns.heatmap(results, annot=True, fmt=".1f", cmap='viridis')
plt.title('Benefit Heatmap Based on PV and ESS Capacities')
plt.xlabel('ESS Capacity (kWh)')
plt.ylabel('PV Capacity (kW)')
plt.show()
# pv = pv_config(capacity=100000,cost_per_kW=200,lifetime=25,loss=0.95)
# ess = ess_config(capacity=100000,cost_per_kW=300,lifetime=25,loss=0.95,charge_power=100000,discharge_power=100000)
# grid = grid_config(price_schedule=price_schedule, capacity=5000, grid_loss=0.95, sell_price=0.4)
# grid = grid_config(capacity=50000, grid_loss=0.95, sell_price=0.4)
# print(benefit)