system_assignation/imports/usage/nrcan_usage_parameters.py

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"""
NrcanUsageParameters extracts the usage properties from NRCAN catalog and assigns to each building
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2022 Concordia CERC group
Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
"""
import sys
import helpers.constants as cte
from helpers.dictionaries import Dictionaries
from city_model_structure.building_demand.usage import Usage
from city_model_structure.building_demand.lighting import Lighting
from city_model_structure.building_demand.occupancy import Occupancy
from city_model_structure.building_demand.appliances import Appliances
from city_model_structure.building_demand.thermal_control import ThermalControl
from catalog_factories.usage_catalog_factory import UsageCatalogFactory
class NrcanUsageParameters:
"""
NrcanUsageParameters class
"""
def __init__(self, city, base_path):
self._city = city
self._path = base_path
def enrich_buildings(self):
"""
Returns the city with the usage parameters assigned to the buildings
:return:
"""
city = self._city
nrcan_catalog = UsageCatalogFactory('nrcan').catalog
comnet_catalog = UsageCatalogFactory('comnet').catalog
for building in city.buildings:
usage_name = Dictionaries().hub_usage_to_nrcan_usage[building.function]
try:
archetype_usage = self._search_archetypes(nrcan_catalog, usage_name)
except KeyError:
sys.stderr.write(f'Building {building.name} has unknown usage archetype for building function:'
f' {building.function}')
return
usage_name = Dictionaries().hub_usage_to_comnet_usage[building.function]
try:
comnet_archetype_usage = self._search_archetypes(comnet_catalog, usage_name)
except KeyError:
sys.stderr.write(f'Building {building.name} has unknown usage archetype for building function:'
f' {building.function}')
return
for internal_zone in building.internal_zones:
if internal_zone.area is None:
raise Exception('Internal zone area not defined, ACH cannot be calculated')
if internal_zone.volume is None:
raise Exception('Internal zone volume not defined, ACH cannot be calculated')
if internal_zone.area <= 0:
raise Exception('Internal zone area is zero, ACH cannot be calculated')
volume_per_area = internal_zone.volume / internal_zone.area
usage_zone = Usage()
usage_zone.name = usage_name
self._assign_values(usage_zone, archetype_usage, volume_per_area)
self._assign_comnet_extra_values(usage_zone, comnet_archetype_usage)
usage_zone.percentage = 1
self._calculate_reduced_values_from_extended_library(usage_zone, archetype_usage)
internal_zone.usages = [usage_zone]
@staticmethod
def _search_archetypes(catalog, usage_name):
archetypes = catalog.entries('archetypes').usages
for building_archetype in archetypes:
if str(usage_name) == str(building_archetype.name):
return building_archetype
raise KeyError('archetype not found')
@staticmethod
def _assign_values(usage_zone, archetype, volume_per_area):
if archetype.mechanical_air_change > 0:
usage_zone.mechanical_air_change = archetype.mechanical_air_change
elif archetype.ventilation_rate > 0:
usage_zone.mechanical_air_change = archetype.ventilation_rate / volume_per_area \
* cte.HOUR_TO_MINUTES * cte.MINUTES_TO_SECONDS
else:
usage_zone.mechanical_air_change = 0
_occupancy = Occupancy()
_occupancy.occupancy_density = archetype.occupancy.occupancy_density
_occupancy.sensible_radiative_internal_gain = archetype.occupancy.sensible_radiative_internal_gain
_occupancy.latent_internal_gain = archetype.occupancy.latent_internal_gain
_occupancy.sensible_convective_internal_gain = archetype.occupancy.sensible_convective_internal_gain
_occupancy.occupancy_schedules = archetype.occupancy.schedules
usage_zone.occupancy = _occupancy
_lighting = Lighting()
_lighting.density = archetype.lighting.density
_lighting.convective_fraction = archetype.lighting.convective_fraction
_lighting.radiative_fraction = archetype.lighting.radiative_fraction
_lighting.latent_fraction = archetype.lighting.latent_fraction
_lighting.schedules = archetype.lighting.schedules
usage_zone.lighting = _lighting
_appliances = Appliances()
_appliances.density = archetype.appliances.density
_appliances.convective_fraction = archetype.appliances.convective_fraction
_appliances.radiative_fraction = archetype.appliances.radiative_fraction
_appliances.latent_fraction = archetype.appliances.latent_fraction
_appliances.schedules = archetype.appliances.schedules
usage_zone.appliances = _appliances
_control = ThermalControl()
_control.cooling_set_point_schedules = archetype.thermal_control.cooling_set_point_schedules
_control.heating_set_point_schedules = archetype.thermal_control.heating_set_point_schedules
_control.hvac_availability_schedules = archetype.thermal_control.hvac_availability_schedules
usage_zone.thermal_control = _control
@staticmethod
def _assign_comnet_extra_values(usage_zone, archetype):
_occupancy = usage_zone.occupancy
_occupancy.sensible_radiative_internal_gain = archetype.occupancy.sensible_radiative_internal_gain
_occupancy.latent_internal_gain = archetype.occupancy.latent_internal_gain
_occupancy.sensible_convective_internal_gain = archetype.occupancy.sensible_convective_internal_gain
@staticmethod
def _calculate_reduced_values_from_extended_library(usage_zone, archetype):
number_of_days_per_type = {'WD': 251, 'Sat': 52, 'Sun': 62}
total = 0
for schedule in archetype.thermal_control.hvac_availability_schedules:
if schedule.day_types[0] == cte.SATURDAY:
for value in schedule.values:
total += value * number_of_days_per_type['Sat']
elif schedule.day_types[0] == cte.SUNDAY:
for value in schedule.values:
total += value * number_of_days_per_type['Sun']
else:
for value in schedule.values:
total += value * number_of_days_per_type['WD']
usage_zone.hours_day = total / 365
usage_zone.days_year = 365
max_heating_setpoint = cte.MIN_FLOAT
min_heating_setpoint = cte.MAX_FLOAT
for schedule in archetype.thermal_control.heating_set_point_schedules:
if schedule.values is None:
max_heating_setpoint = None
min_heating_setpoint = None
break
if max(schedule.values) > max_heating_setpoint:
max_heating_setpoint = max(schedule.values)
if min(schedule.values) < min_heating_setpoint:
min_heating_setpoint = min(schedule.values)
min_cooling_setpoint = cte.MAX_FLOAT
for schedule in archetype.thermal_control.cooling_set_point_schedules:
if schedule.values is None:
min_cooling_setpoint = None
break
if min(schedule.values) < min_cooling_setpoint:
min_cooling_setpoint = min(schedule.values)
usage_zone.thermal_control.mean_heating_set_point = max_heating_setpoint
usage_zone.thermal_control.heating_set_back = min_heating_setpoint
usage_zone.thermal_control.mean_cooling_set_point = min_cooling_setpoint