71 lines
2.9 KiB
Python
71 lines
2.9 KiB
Python
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"""
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Energy System rule-based sizing
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2023 Concordia CERC group
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Project Coder Saeed Ranjbar saeed.ranjbar@concordia.ca
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"""
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import hub.helpers.constants as cte
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class SystemSizing:
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"""
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The energy system sizing class
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"""
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def __init__(self, buildings):
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self.buildings = buildings
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def hvac_sizing(self):
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for building in self.buildings:
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peak_heating_demand = building.heating_peak_load[cte.YEAR][0] / 3600
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peak_cooling_demand = building.cooling_peak_load[cte.YEAR][0] / 3600
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if peak_heating_demand > peak_cooling_demand:
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sizing_demand = peak_heating_demand
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for system in building.energy_systems:
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if 'Heating' in system.demand_types:
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for generation in system.generation_systems:
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if generation.system_type == 'Heat Pump':
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if generation.source_medium == cte.AIR:
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generation.source_temperature = building.external_temperature
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generation.nominal_heat_output = 0.6 * sizing_demand / 1000
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if generation.energy_storage_systems is not None:
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for storage in generation.energy_storage_systems:
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if storage.type_energy_stored == 'thermal':
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storage.volume = building.heating_peak_load[cte.YEAR][0] / (cte.WATER_HEAT_CAPACITY*cte.WATER_DENSITY * 20)
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elif generation.system_type == 'Boiler':
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generation.nominal_heat_output = 0.4 * sizing_demand / 1000
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else:
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sizing_demand = peak_cooling_demand
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for system in building.energy_systems:
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if 'Cooling' in system.demand_types:
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for generation in system.generation_systems:
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if generation.system_type == 'Heat Pump':
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generation.nominal_heat_output = sizing_demand / 1000
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def montreal_custom(self):
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for building in self.buildings:
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energy_systems = building.energy_systems
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for energy_system in energy_systems:
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demand_types = energy_system.demand_types
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generation_systems = energy_system.generation_systems
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if cte.HEATING in demand_types:
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if len(generation_systems) == 1:
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for generation in generation_systems:
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generation.nominal_heat_output = building.heating_peak_load[cte.YEAR][0] / 3600
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else:
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for generation in generation_systems:
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generation.nominal_heat_output = building.heating_peak_load[cte.YEAR][0] / (len(generation_systems) * 3600)
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elif cte.COOLING in demand_types:
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if len(generation_systems) == 1:
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for generation in generation_systems:
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generation.nominal_cooling_output = building.cooling_peak_load[cte.YEAR][0] / 3600
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else:
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for generation in generation_systems:
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generation.nominal_heat_output = building.cooling_peak_load[cte.YEAR][0] / (len(generation_systems) * 3600)
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