""" HeatPumpExport exports heatpump outputs into several files after insel execution SPDX - License - Identifier: LGPL - 3.0 - or -later Copyright © 2021 Project Author Peter Yefi peteryefi@gmail.com """ import os from typing import List, Tuple, Union, Dict import yaml from string import Template import pandas as pd class HeatPumpExport: """ Exports heat pump values as coefficients of some defined function """ def __init__(self, base_path, city, output_path, template, water_temp=None): self._template_path = template self._water_temp = water_temp self._constants_path = (base_path / 'heat_pumps/constants.yaml') # needed to compute max demand. self._demand_path = (base_path / 'heat_pumps/demand.txt') self._city = city self._input_data = None self._base_path = base_path self._output_path = output_path def _run_insel(self, user_input: Dict, capacity_coeff: List, power_coeff: List, filename: str) -> None: """ Runs insel and write the necessary files :param user_input: a dictionary containing the user values necessary to run insel :param capacity_coeff: a list containing capacity coefficients :param power_coeff: a list containing power demand coefficients :param filename: the name of the insel file to be created :return: """ self._input_data = user_input self._update_input_data_with_coff(capacity_coeff, power_coeff) # update input data with constants self._update_input_data_with_constants() # update input data with input and output files for insel self._update_input_data_with_files() insel_file_handler = None insel_template_handler = None try: # run insel insel_template_handler = open(self._template_path, "r") insel_template_content = insel_template_handler.read() insel_template = Template(insel_template_content).substitute(self._input_data) # create the insel file and write the template with substituted values into it insel_file = (self._base_path / 'heat_pumps' / filename) insel_file_handler = open(insel_file, "w") insel_file_handler.write(insel_template) # Now run insel self._delete_existing_output_files() os.system('insel {}'.format(insel_file)) # Writer headers to csv output files generated by insel self._write_insel_output_headers() # User output self._get_user_out_put() except IOError as err: print("I/O exception: {}".format(err)) finally: insel_file_handler.close() insel_template_handler.close() def _write_insel_output_headers(self): """ Write headers to the various csv file generated by insel :return: """ header_data = { self._input_data['fileOut1']: ['Year', ' Month', ' Day', 'Hour', 'Minute', 'HP Heat Output (kW)', 'HP Electricity Consumption (kW)', 'HP COP', 'TES Charging Rate (kg/s)', 'TES Discharging Rate (kg/s)', 'TES Node 1 Temperature', 'TES Node 2 Temperature', 'TES Node 3 Temperature', 'TES Node 4 Temperature', 'TES Energy Content (J)', 'TES Energy Content (kWh)', 'TES Energy Content Variation (kWh)', 'Auxiliary Heater Fuel Flow Rate (kg/s)', 'Auxiliary Heater Energy Input (kW)', 'HP Operational Cost (CAD)', 'Auxiliary Heater Operational Cost (CAD)', 'Operational CO2 Emissions of HP (g)', 'Operational CO2 Emissions of Auxiliary Heater (g)', 'Return Temperature', 'Demand (kW)'], self._input_data['fileOut2']: ['Day', 'Operational Daily Emissions from Heat Pumps (g)', 'Operational Daily Emissions from Auxiliary Heater (g)'], self._input_data['fileOut3']: ['Month', 'Monthly Operational Costs of Heat Pumps (CAD)', 'Monthly Operational Costs of Auxiliary Heater (CAD)'], self._input_data['fileOut4']: ['Month', 'Monthly Fuel Consumption of Auxiliary Heater (m3)'], self._input_data['fileOut5']: ['Month', 'Operational Monthly Emissions from Heat Pumps (g)', 'Operational Monthly Emissions from Auxiliary Heater (g)'], self._input_data['fileOut6']: ['Day', 'Daily HP Electricity Demand (kWh)'], self._input_data['fileOut7']: ['Day', 'Daily Operational Costs of Heat Pumps (CAD)', 'Daily Operational Costs of Auxiliary Heater (CAD)'], self._input_data['fileOut8']: ['Month', 'Monthly HP Electricity Demand (kWh)'], self._input_data['fileOut9']: ['Day', 'Daily Fuel Consumption of Auxiliary Heater (m3)'], self._input_data['fileOut10']: ['Year', 'Month', 'Day', 'Hour', 'HP Electricity Demand (kWh)'] } for file_path, header in header_data.items(): file_path = file_path.strip("'") df = pd.read_csv(file_path, header=None, sep='\s+') df.to_csv(file_path, header=header) def _update_input_data_with_files(self): """ Updates input data for insel with some files that will be written to after insel runs. Also specifies and input file which is the Heating Demand (demand.txt) file :return: """ self._input_data["HeatingDemand"] = f"'{str(self._demand_path)}'" self._input_data["fileOut1"] = f"'{str((self._base_path / 'heat_pumps/technical_performance.csv'))}'" self._input_data["fileOut2"] = f"'{str((self._base_path / 'heat_pumps/system_daily_emissions.csv'))}'" self._input_data["fileOut3"] = f"'{str((self._base_path / 'heat_pumps/monthly_operational_costs.csv'))}'" self._input_data["fileOut4"] = f"'{str((self._base_path / 'heat_pumps/monthly_fossil_fuel_consumptions.csv'))}'" self._input_data["fileOut5"] = f"'{str((self._base_path / 'heat_pumps/system_monthly_emissions.csv'))}'" self._input_data["fileOut6"] = f"'{str((self._base_path / 'heat_pumps/daily_hp_electricity_demand.csv'))}'" self._input_data["fileOut7"] = f"'{str((self._base_path / 'heat_pumps/daily_operational_costs.csv'))}'" self._input_data["fileOut8"] = f"'{str((self._base_path / 'heat_pumps/monthly_hp_electricity_demand.csv'))}'" self._input_data["fileOut9"] = f"'{str((self._base_path / 'heat_pumps/daily_fossil_fuel_consumption.csv'))}'" self._input_data["fileOut10"] = f"'{str((self._base_path / 'heat_pumps/hp_hourly_electricity_demand.csv'))}'" # include water temperature for water to water heat pump if self._water_temp is not None: self._input_data['WaterTemperature'] = f"'{str(self._water_temp)}'" def _delete_existing_output_files(self): """ Remove existing out files generated by insel before running insel :return: """ for key, file_path in self._input_data.items(): if 'fileOut' in key: file_path = file_path.strip("'") try: os.remove(file_path) except OSError: pass def _compute_max_demand(self): """ Retrieves the maximum demand value from the demands text file :return: float """ max_demand = -1 with open(self._demand_path) as file_handler: for demand in file_handler.readlines(): if float(demand) > max_demand: max_demand = float(demand) return max_demand def _update_input_data_with_constants(self): with open(self._constants_path) as file: constants_dict = yaml.load(file, Loader=yaml.FullLoader) for key, value in constants_dict.items(): self._input_data[key] = value # compute water to water HP specific values if self._water_temp is not None: self._input_data["HPDisactivationTemperature"] = self._input_data["HPSupTemp"] - 5 self._input_data["HPReactivationTemperature"] = self._input_data["HPSupTemp"] - 18 # compute maximum demand. TODO: This should come from catalog in the future max_demand = self._compute_max_demand() # compute TESCapacity self._input_data["TESCapacity"] = self._input_data["HoursOfStorageAtMaxDemand"] * (max_demand * 3.6) / ( (self._input_data["Cp"] / 1000) * self._input_data["TemperatureDifference"]) def _update_input_data_with_coff(self, a_coeff: List, b_coeff: List): """ Updates the user data with coefficients derived from imports :param a_coeff: insel a coefficient values :param b_coeff: insel b coefficient values Meaning of a and b are in the respective models for air source heat pump and water to water source heat pump :return: """ self._input_data["a1"] = a_coeff[0] self._input_data["a2"] = a_coeff[1] self._input_data["a3"] = a_coeff[2] self._input_data["a4"] = a_coeff[3] self._input_data["a5"] = a_coeff[4] self._input_data["a6"] = a_coeff[5] self._input_data["b1"] = b_coeff[0] self._input_data["b2"] = b_coeff[1] self._input_data["b3"] = b_coeff[2] self._input_data["b4"] = b_coeff[3] self._input_data["b5"] = b_coeff[4] self._input_data["b6"] = b_coeff[5] # additional coefficients for water to water source if self._water_temp is not None: self._input_data["a7"] = a_coeff[6] self._input_data["a8"] = a_coeff[7] self._input_data["a9"] = a_coeff[8] self._input_data["a10"] = a_coeff[9] self._input_data["a11"] = a_coeff[10] self._input_data["b7"] = b_coeff[6] self._input_data["b8"] = b_coeff[7] self._input_data["b9"] = b_coeff[8] self._input_data["b10"] = b_coeff[9] self._input_data["b11"] = b_coeff[10] def _get_user_out_put(self): """ Extracts monthly electricity demand and fossil fuel consumption from output files generated by insel :return: """ electricity_df = pd.read_csv(self._input_data['fileOut8'].strip("'")).iloc[:, 2] fossil_df = pd.read_csv(self._input_data['fileOut4'].strip("'")).iloc[:, 2] data = [electricity_df, fossil_df] df = pd.concat(data, axis=1) df = df.append(df.agg(['sum'])) s = pd.Series(["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec", "Total"]) df = df.set_index([s]) df.to_csv(self._output_path)