modelElectricEIR_AirCooled

Test model for chiller electric EIR with air-cooled condenser
Diagram of ElectricEIR_AirCooledOpen the diagram
▶ Simulate in your browser

Extends from Modelica.Icons.Example (Icon for runnable examples), Buildings.Fluid.Chillers.Examples.BaseClasses.PartialElectric_AirCooled (Base class for test model of chiller electric EIR with air-cooled condenser).

Information

Example that simulates a chiller whose efficiency is computed based on the condenser entering and evaporator leaving fluid temperature. A bicubic polynomial is used to compute the chiller part load performance. This example is for an air-cooled chiller.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.PowerP_nominal (from PartialElectric_AirCooled)Nominal compressor power (at y=1)
Modelica.Units.SI.TemperatureDifferencedTEva_nominal (from PartialElectric_AirCooled)10Temperature difference evaporator inlet-outlet
Modelica.Units.SI.TemperatureDifferencedTCon_nominal (from PartialElectric_AirCooled)10Temperature difference condenser outlet-inlet
RealCOPc_nominal (from PartialElectric_AirCooled)3Chiller COP
Modelica.Units.SI.MassFlowRatemEva_flow_nominal (from PartialElectric_AirCooled)Nominal mass flow rate at evaporator
Modelica.Units.SI.MassFlowRatemCon_flow_nominal (from PartialElectric_AirCooled)Nominal mass flow rate at condenser
Data.ElectricEIR.ElectricEIRChiller_York_YCAL0033EE_101kW_3_1COP_AirCooledperChiller performance data

Components

TypeNameDefaultDescription
Sources.MassFlowSource_WeatherDatasou1 (from PartialElectric_AirCooled)Weather data
Buildings.Fluid.Sources.MassFlowSource_Tsou2 (from PartialElectric_AirCooled)Mass flow source
Buildings.Fluid.Sources.Boundary_pTsin1 (from PartialElectric_AirCooled)Pressure source
Buildings.Fluid.Sources.Boundary_pTsin2 (from PartialElectric_AirCooled)Pressure source
Modelica.Blocks.Sources.RampTSet (from PartialElectric_AirCooled)Set point for leaving chilled water temperature
Modelica.Blocks.Sources.RampTEva_in (from PartialElectric_AirCooled)Evaporator inlet temperature
Modelica.Blocks.Sources.Pulsepulse (from PartialElectric_AirCooled)Pulse signal
Modelica.Blocks.Logical.GreaterThresholdgreaterThreshold (from PartialElectric_AirCooled)Greater threshold
Buildings.Fluid.FixedResistances.PressureDropres1 (from PartialElectric_AirCooled)Flow resistance
Buildings.Fluid.FixedResistances.PressureDropres2 (from PartialElectric_AirCooled)Flow resistance
BoundaryConditions.WeatherData.ReaderTMY3weaDat (from PartialElectric_AirCooled)
Buildings.Fluid.Chillers.ElectricEIRchiChiller model

Revisions

  • November 19, 2021 by David Blum:
    First implementation.