Partial correction for peakloads

This commit is contained in:
Guille Gutierrez 2023-04-27 13:31:00 -04:00
parent 7c0e03d0e0
commit e6486bc598
6 changed files with 88 additions and 82 deletions

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@ -9,8 +9,11 @@ Code contributors: Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concord
import sys
from typing import List, Union
import numpy as np
import pandas as pd
from hub.hub_logger import logger
import hub.helpers.constants as cte
import hub.helpers.peak_loads as pl
from hub.city_model_structure.building_demand.surface import Surface
from hub.city_model_structure.city_object import CityObject
from hub.city_model_structure.building_demand.household import Household
@ -370,15 +373,16 @@ class Building(CityObject):
Get heating peak load in W
:return: dict{DataFrame(float)}
"""
return self._heating_peak_load
@heating_peak_load.setter
def heating_peak_load(self, value):
"""
Set heating peak load in W
:param value: dict{DataFrame(float)}
"""
self._heating_peak_load = value
results = {}
if self.heating[cte.HOUR] is not None:
monthly_values = pl.peak_loads_from_hourly(self.heating[cte.HOUR][0])
results[cte.MONTH] = pd.DataFrame(monthly_values)
yearly_value = 0
for month_value in monthly_values:
if month_value >= yearly_value:
yearly_value = month_value
results[cte.YEAR] = yearly_value
return results
@property
def cooling_peak_load(self) -> dict:
@ -386,15 +390,16 @@ class Building(CityObject):
Get cooling peak load in W
:return: dict{DataFrame(float)}
"""
return self._cooling_peak_load
results = {}
if self.heating[cte.HOUR] is not None:
monthly_values = pl.peak_loads_from_hourly(self.cooling[cte.HOUR][0])
results[cte.MONTH] = pd.DataFrame(monthly_values)
yearly_value = 0
for month_value in monthly_values:
if month_value >= yearly_value:
yearly_value = month_value
results[cte.YEAR] = yearly_value
@cooling_peak_load.setter
def cooling_peak_load(self, value):
"""
Set peak load in W
:param value: dict{DataFrame(float)}
"""
self._cooling_peak_load = value
@property
def eave_height(self):

59
hub/helpers/peak_loads.py Normal file
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@ -0,0 +1,59 @@
import constants as cte
_MONTH_STARTING_HOUR = [0, 744, 1416, 2160, 2880, 3624, 4344, 5088, 5832, 6552, 7296, 8016]
def peak_loads_from_hourly(hourly_values):
month = 1
peaks = [0 for _ in range(12)]
for i, value in enumerate(hourly_values):
if _MONTH_STARTING_HOUR[month] <= i:
month += 1
if value > peaks[month-1]:
peaks[month-1] = value
print(peaks)
return peaks
def peak_loads_from_methodology(building):
monthly_heating_loads = []
monthly_cooling_loads = []
ambient_temperature = building.external_temperature[cte.HOUR][self._weather_format]
for month in range(0, 12):
ground_temperature = building.ground_temperature[cte.MONTH]['2'][month]
heating_ambient_temperature = 100
cooling_ambient_temperature = -100
cooling_calculation_hour = -1
start_hour = _MONTH_STARTING_HOUR[month]
end_hour = 8760
if month < 11:
end_hour = _MONTH_STARTING_HOUR[month + 1]
for hour in range(start_hour, end_hour):
temperature = ambient_temperature[hour]
if temperature < heating_ambient_temperature:
heating_ambient_temperature = temperature
if temperature > cooling_ambient_temperature:
cooling_ambient_temperature = temperature
cooling_calculation_hour = hour
loads = LoadsCalculation(building)
heating_load_transmitted = loads.get_heating_transmitted_load(heating_ambient_temperature, ground_temperature)
heating_load_ventilation_sensible = loads.get_heating_ventilation_load_sensible(heating_ambient_temperature)
heating_load_ventilation_latent = 0
heating_load = heating_load_transmitted + heating_load_ventilation_sensible + heating_load_ventilation_latent
cooling_load_transmitted = loads.get_cooling_transmitted_load(cooling_ambient_temperature, ground_temperature)
cooling_load_renovation_sensible = loads.get_cooling_ventilation_load_sensible(cooling_ambient_temperature)
cooling_load_internal_gains_sensible = loads.get_internal_load_sensible()
cooling_load_radiation = loads.get_radiation_load(self._irradiance_format, cooling_calculation_hour)
cooling_load_sensible = cooling_load_transmitted + cooling_load_renovation_sensible - cooling_load_radiation \
- cooling_load_internal_gains_sensible
cooling_load_latent = 0
cooling_load = cooling_load_sensible + cooling_load_latent
if heating_load < 0:
heating_load = 0
if cooling_load > 0:
cooling_load = 0
monthly_heating_loads.append(heating_load)
monthly_cooling_loads.append(cooling_load)
{'monthly heating peak load': monthly_heating_loads,
'monthly cooling peak load': monthly_cooling_loads}

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@ -1,61 +0,0 @@
import hub.helpers.constants as cte
from hub.imports.results.peak_calculation.loads_calculation import LoadsCalculation
class PeakLoad:
_MONTH_STARTING_HOUR = [0, 744, 1416, 2160, 2880, 3624, 4344, 5088, 5832, 6552, 7296, 8016]
def __init__(self, city):
self._city = city
self._weather_format = 'epw'
self._irradiance_format = 'sra'
def enrich(self):
for building in self._city.buildings:
if building.heating
monthly_heating_loads = []
monthly_cooling_loads = []
ambient_temperature = building.external_temperature[cte.HOUR][self._weather_format]
for month in range(0, 12):
ground_temperature = building.ground_temperature[cte.MONTH]['2'][month]
heating_ambient_temperature = 100
cooling_ambient_temperature = -100
cooling_calculation_hour = -1
start_hour = self._MONTH_STARTING_HOUR[month]
end_hour = 8760
if month < 11:
end_hour = self._MONTH_STARTING_HOUR[month + 1]
for hour in range(start_hour, end_hour):
temperature = ambient_temperature[hour]
if temperature < heating_ambient_temperature:
heating_ambient_temperature = temperature
if temperature > cooling_ambient_temperature:
cooling_ambient_temperature = temperature
cooling_calculation_hour = hour
loads = LoadsCalculation(building)
heating_load_transmitted = loads.get_heating_transmitted_load(heating_ambient_temperature, ground_temperature)
heating_load_ventilation_sensible = loads.get_heating_ventilation_load_sensible(heating_ambient_temperature)
heating_load_ventilation_latent = 0
heating_load = heating_load_transmitted + heating_load_ventilation_sensible + heating_load_ventilation_latent
cooling_load_transmitted = loads.get_cooling_transmitted_load(cooling_ambient_temperature, ground_temperature)
cooling_load_renovation_sensible = loads.get_cooling_ventilation_load_sensible(cooling_ambient_temperature)
cooling_load_internal_gains_sensible = loads.get_internal_load_sensible()
cooling_load_radiation = loads.get_radiation_load(self._irradiance_format, cooling_calculation_hour)
cooling_load_sensible = cooling_load_transmitted + cooling_load_renovation_sensible - cooling_load_radiation \
- cooling_load_internal_gains_sensible
cooling_load_latent = 0
cooling_load = cooling_load_sensible + cooling_load_latent
if heating_load < 0:
heating_load = 0
if cooling_load > 0:
cooling_load = 0
monthly_heating_loads.append(heating_load)
monthly_cooling_loads.append(cooling_load)
building. {'monthly heating peak load': monthly_heating_loads,
'monthly cooling peak load': monthly_cooling_loads}

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@ -43,7 +43,7 @@ class TestImports(TestCase):
sra_path = (self._output_path / f'{self._city.name}_sra.xml').resolve()
subprocess.run(['sra', str(sra_path)])
ResultFactory('sra', self._city, self._output_path).enrich()
# Check that all the buildings has radiance in the surfaces
# Check that all the buildings have radiance in the surfaces
for building in self._city.buildings:
for surface in building.surfaces:
self.assertIsNotNone(surface.global_irradiance)
@ -58,7 +58,10 @@ class TestImports(TestCase):
for building in self._city.buildings:
insel_path = (self._output_path / f'{building.name}.insel')
subprocess.run(['insel', str(insel_path)])
ResultFactory('insel_monthly_energy_balance', self._city, self._output_path)
ResultFactory('insel_monthly_energy_balance', self._city, self._output_path).enrich()
# Check that all the buildings have heating and cooling values
for building in self._city.buildings:
print(building.heating)
self.assertIsNotNone(None)
self.assertIsNotNone(building.heating[cte.MONTH][cte.INSEL_MEB])
self.assertIsNotNone(building.cooling[cte.MONTH][cte.INSEL_MEB])
self.assertIsNotNone(building.heating[cte.YEAR][cte.INSEL_MEB])
self.assertIsNotNone(building.cooling[cte.YEAR][cte.INSEL_MEB])