""" ComnetUsageParameters extracts the usage properties from Comnet 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 copy import sys import numpy import helpers.constants as cte from imports.usage.helpers.usage_helper import UsageHelper 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 city_model_structure.attributes.schedule import Schedule from city_model_structure.building_demand.internal_gain import InternalGain from catalog_factories.usage_catalog_factory import UsageCatalogFactory class ComnetUsageParameters: """ ComnetUsageParameters 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 comnet_catalog = UsageCatalogFactory('comnet').catalog for building in city.buildings: usage_name = UsageHelper.comnet_from_hub_usage(building.function) try: 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) usage_zone.percentage = 1 self._calculate_reduced_values_from_extended_library(usage_zone, archetype_usage) internal_zone.usages = [usage_zone] @staticmethod def _search_archetypes(comnet_catalog, usage_name): comnet_archetypes = comnet_catalog.entries('archetypes').usages for building_archetype in comnet_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): # Due to the fact that python is not a typed language, the wrong object type is assigned to # usage_zone.occupancy when writing usage_zone.occupancy = archetype.occupancy. # Same happens for lighting and appliances. Therefore, this walk around has been done. usage_zone.mechanical_air_change = archetype.ventilation_rate / volume_per_area \ * cte.HOUR_TO_MINUTES * cte.MINUTES_TO_SECONDS _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 _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 @staticmethod def _calculate_internal_gains(archetype): _DAYS = [cte.MONDAY, cte.TUESDAY, cte.WEDNESDAY, cte.THURSDAY, cte.FRIDAY, cte.SATURDAY, cte.SUNDAY, cte.HOLIDAY] _number_of_days_per_type = [51, 50, 50, 50, 50, 52, 52, 10] _mean_internal_gain = InternalGain() _mean_internal_gain.type = 'mean_value_of_internal_gains' _base_schedule = Schedule() _base_schedule.type = cte.INTERNAL_GAINS _base_schedule.time_range = cte.DAY _base_schedule.time_step = cte.HOUR _base_schedule.data_type = cte.FRACTION _latent_heat_gain = archetype.occupancy.latent_internal_gain _convective_heat_gain = archetype.occupancy.sensible_convective_internal_gain _radiative_heat_gain = archetype.occupancy.sensible_radiative_internal_gain _total_heat_gain = (_latent_heat_gain + _convective_heat_gain + _radiative_heat_gain) _schedule_values = numpy.zeros([24, 8]) _sum = 0 for day, _schedule in enumerate(archetype.occupancy.schedules): for v, value in enumerate(_schedule.values): _schedule_values[v, day] = value * _total_heat_gain _sum += value * _total_heat_gain * _number_of_days_per_type[day] _total_heat_gain += archetype.lighting.density + archetype.appliances.density _latent_heat_gain += archetype.lighting.latent_fraction * archetype.lighting.density\ + archetype.appliances.latent_fraction * archetype.appliances.density _radiative_heat_gain = archetype.lighting.radiative_fraction * archetype.lighting.density \ + archetype.appliances.radiative_fraction * archetype.appliances.density _convective_heat_gain = archetype.lighting.convective_fraction * archetype.lighting.density \ + archetype.appliances.convective_fraction * archetype.appliances.density for day, _schedule in enumerate(archetype.lighting.schedules): for v, value in enumerate(_schedule.values): _schedule_values[v, day] += value * archetype.lighting.density _sum += value * archetype.lighting.density * _number_of_days_per_type[day] for day, _schedule in enumerate(archetype.appliances.schedules): for v, value in enumerate(_schedule.values): _schedule_values[v, day] += value * archetype.appliances.density _sum += value * archetype.appliances.density * _number_of_days_per_type[day] _latent_fraction = _latent_heat_gain / _total_heat_gain _radiative_fraction = _radiative_heat_gain / _total_heat_gain _convective_fraction = _convective_heat_gain / _total_heat_gain _average_internal_gain = _sum / _total_heat_gain _schedules = [] for day in range(0, len(_DAYS)): _schedule = copy.deepcopy(_base_schedule) _schedule.day_types = [_DAYS[day]] _schedule.values = _schedule_values[:day] _schedules.append(_schedule) _mean_internal_gain.average_internal_gain = _average_internal_gain _mean_internal_gain.latent_fraction = _latent_fraction _mean_internal_gain.convective_fraction = _convective_fraction _mean_internal_gain.radiative_fraction = _radiative_fraction _mean_internal_gain.schedules = _schedules return [_mean_internal_gain]