update variable name
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@ -9,9 +9,8 @@ class EnergySystem:
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# 优先使用PV供电给工厂 - 如果PV输出能满足工厂的需求,则直接供电,多余的电能用来给ESS充电。
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# 优先使用PV供电给工厂 - 如果PV输出能满足工厂的需求,则直接供电,多余的电能用来给ESS充电。
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# PV不足时使用ESS补充 - 如果PV输出不足以满足工厂需求,首先从ESS获取所需电量。
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# PV不足时使用ESS补充 - 如果PV输出不足以满足工厂需求,首先从ESS获取所需电量。
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# 如果ESS也不足以满足需求,再从电网获取 - 当ESS中的存储电量也不足以补充时,再从电网购买剩余所需电量。
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# 如果ESS也不足以满足需求,再从电网获取 - 当ESS中的存储电量也不足以补充时,再从电网购买剩余所需电量。
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def simulate(self, data):
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def simulate(self, data, time_interval):
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total_benefit = 0
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total_benefit = 0
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time_interval = 10 / 60 # 时间间隔,单位小时(10分钟)
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for index, row in data.iterrows():
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for index, row in data.iterrows():
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time = row['time']
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time = row['time']
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sunlight_intensity = row['sunlight']
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sunlight_intensity = row['sunlight']
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@ -22,14 +21,18 @@ class EnergySystem:
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generated_pv_energy = generated_pv_power * time_interval * self.pv.loss # 生成的能量,单位 kWh
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generated_pv_energy = generated_pv_power * time_interval * self.pv.loss # 生成的能量,单位 kWh
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if generated_pv_energy >= factory_demand * time_interval:
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if generated_pv_energy >= factory_demand * time_interval:
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# 剩余的能量(kwh) = pv生成的能量 - 工厂需求的功率 * 时间间隔
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surplus_energy = generated_pv_energy - factory_demand * time_interval
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surplus_energy = generated_pv_energy - factory_demand * time_interval
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# 要充到ess中的能量 = min(剩余的能量,ess的充电功率*时间间隔(ess在时间间隔内能充进的电量),ess的容量-ess储存的能量(ess中能冲进去的电量))
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charge_to_ess = min(surplus_energy, self.ess.charge_power * time_interval, self.ess.capacity - self.ess.storage)
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charge_to_ess = min(surplus_energy, self.ess.charge_power * time_interval, self.ess.capacity - self.ess.storage)
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self.ess.storage += charge_to_ess
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self.ess.storage += charge_to_ess
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surplus_after_ess = surplus_energy - charge_to_ess
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surplus_after_ess = surplus_energy - charge_to_ess
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# 如果还有电量盈余,且pv功率大于ess的充电功率+工厂的需求功率则准备卖电
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if surplus_after_ess > 0 and generated_pv_power > self.ess.charge_power + factory_demand:
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if surplus_after_ess > 0 and generated_pv_power > self.ess.charge_power + factory_demand:
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sold_to_grid = surplus_after_ess
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sold_to_grid = surplus_after_ess
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sell_income = sold_to_grid * self.grid.sell_price
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sell_income = sold_to_grid * self.grid.sell_price
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total_benefit += sell_income
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total_benefit += sell_income
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# 节省的能量 = 工厂需求的能量 * 时间段
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total_energy = factory_demand * time_interval
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total_energy = factory_demand * time_interval
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else:
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else:
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needed_from_ess = factory_demand * time_interval - generated_pv_energy
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needed_from_ess = factory_demand * time_interval - generated_pv_energy
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12
config.py
12
config.py
@ -1,16 +1,16 @@
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import pandas as pd
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import pandas as pd
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class pv_config:
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class pv_config:
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def __init__(self, capacity, cost_per_kW, pv_lifetime, pv_loss):
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def __init__(self, capacity, cost_per_kW, lifetime, loss):
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self.capacity = capacity
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self.capacity = capacity
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self.cost_per_kW = cost_per_kW
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self.cost_per_kW = cost_per_kW
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self.lifetime = pv_lifetime
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self.lifetime = lifetime
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self.loss = pv_loss
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self.loss = loss
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class ess_config:
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class ess_config:
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def __init__(self, capacity, cost_per_kW, ess_lifetime, ess_loss, charge_power, discharge_power):
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def __init__(self, capacity, cost_per_kW, lifetime, loss, charge_power, discharge_power):
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self.capacity = capacity
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self.capacity = capacity
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self.cost_per_kW = cost_per_kW
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self.cost_per_kW = cost_per_kW
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self.lifetime = ess_lifetime
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self.lifetime = lifetime
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self.loss = ess_loss
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self.loss = loss
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self.storage = 0
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self.storage = 0
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self.charge_power = charge_power
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self.charge_power = charge_power
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self.discharge_power = discharge_power
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self.discharge_power = discharge_power
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20
main.py
20
main.py
@ -1 +1,21 @@
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import matplotlib
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import matplotlib
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import pandas as pd
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from EnergySystem import EnergySystem
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from config import pv_config, grid_config, ess_config
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if __name__ == '__main__':
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price_schedule = pd.read_csv('price_schedule.csv')
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data = pd.read_csv('simulation_data.csv')
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pv = pv_config(capacity=100000,cost_per_kW=200,lifetime=25,loss=0.95)
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ess = ess_config(capacity=100000,cost_per_kW=300,lifetime=25,loss=0.95,charge_power=100000,discharge_power=100000)
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grid = grid_config(price_schedule=price_schedule, capacity=5000, grid_loss=0.95, sell_price=0.4)
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energy_system = EnergySystem(pv_type=pv, ess_type=ess, grid_type=grid)
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time_interval = 15 / 60
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benefit = energy_system.simulate(data=data, time_interval=time_interval)
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print(benefit)
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