costs_workflow/costs/total_maintenance_costs.py
2023-07-14 15:37:12 -04:00

76 lines
2.6 KiB
Python

"""
Total maintenance costs module
"""
import math
import pandas as pd
from hub.city_model_structure.building import Building
import hub.helpers.constants as cte
from configuration import Configuration
class TotalMaintenanceCosts:
"""
Total maintenance costs class
"""
def __init__(self, building: Building, configuration: Configuration):
self._building = building
self._configuration = configuration
self._total_floor_area = 0
for internal_zone in building.internal_zones:
for thermal_zone in internal_zone.thermal_zones:
self._total_floor_area += thermal_zone.total_floor_area
self._archetype = None
for archetype in self._configuration.cost_catalog.entries('archetypes').archetype:
if str(building.function) == str(archetype.function):
self._archetype = archetype
self._capital_costs_chapter = self._archetype.capital_cost
break
if not self._archetype:
raise KeyError('archetype not found')
rng = range(configuration.number_of_years)
self._yearly_maintenance_costs = pd.DataFrame(
index=rng,
columns=[
'Heating_maintenance',
'Cooling_maintenance',
'PV_maintenance'
],
dtype='float'
)
def calculate(self) -> pd.DataFrame:
"""
Calculate total maintenance costs
:return: pd.DataFrame
"""
building = self._building
archetype = self._archetype
# todo: change area pv when the variable exists
roof_area = 0
for roof in building.roofs:
roof_area += roof.solid_polygon.area
surface_pv = roof_area * 0.5
peak_heating = building.heating_peak_load[cte.YEAR][cte.HEATING_PEAK_LOAD][0]
peak_cooling = building.cooling_peak_load[cte.YEAR][cte.COOLING_PEAK_LOAD][0]
maintenance_heating_0 = peak_heating * archetype.operational_cost.maintenance_heating
maintenance_cooling_0 = peak_cooling * archetype.operational_cost.maintenance_cooling
maintenance_pv_0 = surface_pv * archetype.operational_cost.maintenance_pv
for year in range(1, self._configuration.number_of_years + 1):
costs_increase = math.pow(1 + self._configuration.consumer_price_index, year)
self._yearly_maintenance_costs.loc[year, 'Heating_maintenance'] = (
maintenance_heating_0 * costs_increase
)
self._yearly_maintenance_costs.loc[year, 'Cooling_maintenance'] = (
maintenance_cooling_0 * costs_increase
)
self._yearly_maintenance_costs.loc[year, 'PV_maintenance'] = (
maintenance_pv_0 * costs_increase
)
self._yearly_maintenance_costs.fillna(0, inplace=True)
return self._yearly_maintenance_costs