76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
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"""
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Total maintenance 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 TotalMaintenanceCosts:
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"""
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Total maintenance 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_maintenance_costs = pd.DataFrame(
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index=rng,
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columns=[
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'Heating_maintenance',
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'Cooling_maintenance',
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'PV_maintenance'
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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 maintenance 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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# todo: change area pv when the variable exists
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roof_area = 0
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for roof in building.roofs:
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roof_area += roof.solid_polygon.area
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surface_pv = roof_area * 0.5
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peak_heating = building.heating_peak_load[cte.YEAR][cte.HEATING_PEAK_LOAD][0]
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peak_cooling = building.cooling_peak_load[cte.YEAR][cte.COOLING_PEAK_LOAD][0]
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maintenance_heating_0 = peak_heating * archetype.operational_cost.maintenance_heating
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maintenance_cooling_0 = peak_cooling * archetype.operational_cost.maintenance_cooling
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maintenance_pv_0 = surface_pv * archetype.operational_cost.maintenance_pv
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for year in range(1, self._configuration.number_of_years + 1):
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costs_increase = math.pow(1 + self._configuration.consumer_price_index, year)
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self._yearly_maintenance_costs.loc[year, 'Heating_maintenance'] = (
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maintenance_heating_0 * costs_increase
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)
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self._yearly_maintenance_costs.loc[year, 'Cooling_maintenance'] = (
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maintenance_cooling_0 * costs_increase
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)
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self._yearly_maintenance_costs.loc[year, 'PV_maintenance'] = (
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maintenance_pv_0 * costs_increase
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)
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self._yearly_maintenance_costs.fillna(0, inplace=True)
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return self._yearly_maintenance_costs
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