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, time_interval): total_benefit = 0 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) 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 # 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)) 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 # 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 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 # 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) * 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