From 3cc208035a04154ab5acc4f37edf7b0d6fd0894a Mon Sep 17 00:00:00 2001 From: mhrooz Date: Fri, 3 May 2024 14:07:57 +0200 Subject: [PATCH] write alpha verison energy system --- EnergySystem.py | 51 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 EnergySystem.py diff --git a/EnergySystem.py b/EnergySystem.py new file mode 100644 index 0000000..15229b0 --- /dev/null +++ b/EnergySystem.py @@ -0,0 +1,51 @@ +from config import pv_config, ess_config, grid_config +import pandas as pd +class EnergySystem: + def __init__(self, pv_type: pv_config, ess_type: ess_config, grid_type: grid_config): + self.pv = pv_type + self.ess = ess_type + self.grid = grid_type + + # 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。 + # 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。 + # 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。 + def simulate(self, data): + total_benefit = 0 + time_interval = 10 / 60 # 时间间隔,单位小时(10分钟) + for index, row in data.iterrows(): + time = row['time'] + sunlight_intensity = row['sunlight'] + factory_demand = row['demand'] + electricity_price = self.grid.get_price_for_time(time) + + 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 + + if generated_pv_energy >= factory_demand * time_interval: + surplus_energy = generated_pv_energy - factory_demand * time_interval + charge_to_ess = min(surplus_energy, self.ess.charge_power * time_interval, self.ess.capacity - self.ess.storage) + self.ess_storage += charge_to_ess + surplus_after_ess = surplus_energy - charge_to_ess + if surplus_after_ess > 0 and generated_pv_power > self.ess.charge_power + factory_demand: + sold_to_grid = surplus_after_ess + sell_income = sold_to_grid * self.grid.sell_price + total_benefit += sell_income + total_energy = factory_demand * time_interval + else: + needed_from_ess = factory_demand * time_interval - generated_pv_energy + if self.ess.storage >= needed_from_ess: + discharging_power = min(self.ess.discharge_power * time_interval, needed_from_ess) + self.ess.storage -= discharging_power + 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 + + unmet_demand = max(0, factory_demand * time_interval - total_energy) + benefit = (total_energy - unmet_demand) * electricity_price + total_benefit += benefit + + return total_benefit \ No newline at end of file