108 lines
4.6 KiB
Python
108 lines
4.6 KiB
Python
"""
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Total operational costs module
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"""
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import math
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import pandas as pd
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from hub.city_model_structure.building import Building
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import hub.helpers.constants as cte
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from configuration import Configuration
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class TotalOperationalCosts:
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"""
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End of life costs class
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"""
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def __init__(self, building: Building, configuration: Configuration):
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self._building = building
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self._configuration = configuration
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self._total_floor_area = 0
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for internal_zone in building.internal_zones:
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for thermal_zone in internal_zone.thermal_zones:
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self._total_floor_area += thermal_zone.total_floor_area
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self._archetype = None
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for archetype in self._configuration.cost_catalog.entries('archetypes').archetype:
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if str(building.function) == str(archetype.function):
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self._archetype = archetype
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self._capital_costs_chapter = self._archetype.capital_cost
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break
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if not self._archetype:
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raise KeyError('archetype not found')
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rng = range(configuration.number_of_years)
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self._yearly_operational_costs = pd.DataFrame(
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index=rng,
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columns=[
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'Fixed_costs_electricity_peak',
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'Fixed_costs_electricity_monthly',
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'Variable_costs_electricity',
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'Fixed_costs_gas',
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'Variable_costs_gas'
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],
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dtype='float'
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)
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def calculate(self) -> pd.DataFrame:
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"""
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Calculate total operational costs
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:return: pd.DataFrame
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"""
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building = self._building
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archetype = self._archetype
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total_floor_area = self._total_floor_area
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factor_residential = total_floor_area / 80
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# todo: split the heating between fuels
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fixed_gas_cost_year_0 = 0
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variable_gas_cost_year_0 = 0
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electricity_heating = 0
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domestic_hot_water_electricity = 0
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if self._configuration.fuel_type == 1:
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fixed_gas_cost_year_0 = archetype.operational_cost.fuels[1].fixed_monthly * 12 * factor_residential
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variable_gas_cost_year_0 = (
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(building.heating_consumption[cte.YEAR][0] + building.domestic_hot_water_consumption[cte.YEAR][0]) / 1000 *
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archetype.operational_cost.fuels[1].variable[0]
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)
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if self._configuration.fuel_type == 0:
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electricity_heating = building.heating_consumption[cte.YEAR][0] / 1000
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domestic_hot_water_electricity = building.domestic_hot_water_consumption[cte.YEAR][0] / 1000
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electricity_cooling = building.cooling_consumption[cte.YEAR][0] / 1000
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electricity_lighting = building.lighting_electrical_demand[cte.YEAR]['insel meb'] / 1000
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electricity_plug_loads = building.appliances_electrical_demand[cte.YEAR]['insel meb'] / 1000
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electricity_distribution = 0
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total_electricity_consumption = (
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electricity_heating + electricity_cooling + electricity_lighting + domestic_hot_water_electricity +
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electricity_plug_loads + electricity_distribution
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)
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# todo: change when peak electricity demand is coded. Careful with factor residential
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peak_electricity_demand = 100 # self._peak_electricity_demand
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variable_electricity_cost_year_0 = total_electricity_consumption * archetype.operational_cost.fuels[0].variable[0]
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peak_electricity_cost_year_0 = peak_electricity_demand * archetype.operational_cost.fuels[0].fixed_power * 12
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monthly_electricity_cost_year_0 = archetype.operational_cost.fuels[0].fixed_monthly * 12 * factor_residential
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for year in range(1, self._configuration.number_of_years + 1):
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price_increase_electricity = math.pow(1 + self._configuration.electricity_price_index, year)
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price_increase_peak_electricity = math.pow(1 + self._configuration.electricity_peak_index, year)
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price_increase_gas = math.pow(1 + self._configuration.gas_price_index, year)
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self._yearly_operational_costs.at[year, 'Fixed_costs_electricity_peak'] = (
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peak_electricity_cost_year_0 * price_increase_peak_electricity
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)
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self._yearly_operational_costs.at[year, 'Fixed_costs_electricity_monthly'] = (
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monthly_electricity_cost_year_0 * price_increase_peak_electricity
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)
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self._yearly_operational_costs.at[year, 'Variable_costs_electricity'] = float(
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variable_electricity_cost_year_0 * price_increase_electricity
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)
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self._yearly_operational_costs.at[year, 'Fixed_costs_gas'] = fixed_gas_cost_year_0 * price_increase_gas
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self._yearly_operational_costs.at[year, 'Variable_costs_gas'] = (
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variable_gas_cost_year_0 * price_increase_peak_electricity
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)
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self._yearly_operational_costs.at[year, 'Variable_costs_gas'] = (
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variable_gas_cost_year_0 * price_increase_peak_electricity
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)
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self._yearly_operational_costs.fillna(0, inplace=True)
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return self._yearly_operational_costs
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