modelCarnot_y_etaPL

Test model for the part load efficiency curve with compressor speed as input signal
Diagram of Carnot_y_etaPLOpen the diagram
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Extends from Examples.Carnot_y (Test model for chiller based on Carnot_y efficiency).

Information

This example extends from Buildings.Fluid.Chillers.Examples.Carnot_y but uses a part load efficiency curve that is different from 1.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.PowerP_nominal (from Carnot_y)10E3Nominal compressor power (at y=1)
Modelica.Units.SI.TemperatureDifferencedTEva_nominal (from Carnot_y)-10Temperature difference evaporator outlet-inlet
Modelica.Units.SI.TemperatureDifferencedTCon_nominal (from Carnot_y)10Temperature difference condenser outlet-inlet
RealCOPc_nominal (from Carnot_y)3Chiller COP
Modelica.Units.SI.MassFlowRatem2_flow_nominal (from Carnot_y)-P_nominal*COPc_nominal/dTEva_nominal/4200Nominal mass flow rate at chilled water side
Modelica.Units.SI.MassFlowRatem1_flow_nominal (from Carnot_y)m2_flow_nominal*(COPc_nominal + 1)/COPc_nominalNominal mass flow rate at condenser water wide

Components

TypeNameDefaultDescription
Buildings.Fluid.Chillers.Carnot_ychi (from Carnot_y)Chiller model
Buildings.Fluid.Sources.MassFlowSource_Tsou1 (from Carnot_y)
Buildings.Fluid.Sources.MassFlowSource_Tsou2 (from Carnot_y)
Buildings.Fluid.Sources.Boundary_pTsin1 (from Carnot_y)
Buildings.Fluid.Sources.Boundary_pTsin2 (from Carnot_y)
Modelica.Blocks.Sources.RampuCom (from Carnot_y)Compressor control signal
Modelica.Blocks.Sources.RampTCon_in (from Carnot_y)Condenser inlet temperature
Modelica.Blocks.Sources.RampTEva_in (from Carnot_y)Evaporator inlet temperature

Revisions

  • February 10, 2016, by Michael Wetter:
    First implementation.