modelCarnot_y_etaPL
Test model for the part load efficiency curve with compressor speed as input signal
Extends from Examples.Carnot_y (Test model for heat pump based on Carnot efficiency).
Information
This example extends from Buildings.Fluid.HeatPumps.Examples.Carnot_y but uses a part load efficiency curve that is different from 1.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | COP_nominal (from Carnot_y) | 6 | Nominal COP |
| Modelica.Units.SI.Power | P_nominal (from Carnot_y) | 10E3 | Nominal compressor power (at y=1) |
| Modelica.Units.SI.TemperatureDifference | dTEva_nominal (from Carnot_y) | -10 | Temperature difference evaporator outlet-inlet |
| Modelica.Units.SI.TemperatureDifference | dTCon_nominal (from Carnot_y) | 10 | Temperature difference condenser outlet-inlet |
| Modelica.Units.SI.MassFlowRate | m2_flow_nominal (from Carnot_y) | -P_nominal*(COP_nominal - 1)/cp2_default/dTEva_nominal | Nominal mass flow rate at chilled water side |
| Modelica.Units.SI.MassFlowRate | m1_flow_nominal (from Carnot_y) | P_nominal*COP_nominal/cp1_default/dTCon_nominal | Nominal mass flow rate at condenser water wide |
| Modelica.Units.SI.SpecificHeatCapacity | cp1_default (from Carnot_y) | Medium1.specificHeatCapacityCp(Medium1.setState_pTX(Medium1.p_default, Medium1.T_default, Medium1.X_default)) | Specific heat capacity of medium 2 at default medium state |
| Modelica.Units.SI.SpecificHeatCapacity | cp2_default (from Carnot_y) | Medium2.specificHeatCapacityCp(Medium2.setState_pTX(Medium2.p_default, Medium2.T_default, Medium2.X_default)) | Specific heat capacity of medium 2 at default medium state |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Fluid.HeatPumps.Carnot_y | heaPum (from Carnot_y) | Heat pump model | |
| Buildings.Fluid.Sources.MassFlowSource_T | sou1 (from Carnot_y) | ||
| Buildings.Fluid.Sources.MassFlowSource_T | sou2 (from Carnot_y) | ||
| Buildings.Fluid.Sources.Boundary_pT | sin1 (from Carnot_y) | ||
| Buildings.Fluid.Sources.Boundary_pT | sin2 (from Carnot_y) | ||
| Modelica.Blocks.Sources.Ramp | uCom (from Carnot_y) | Compressor control signal | |
| Modelica.Blocks.Sources.Ramp | TCon_in (from Carnot_y) | Condenser inlet temperature | |
| Modelica.Blocks.Sources.Ramp | TEva_in (from Carnot_y) | Evaporator inlet temperature |
Revisions
-
February 10, 2016, by Michael Wetter:
First implementation.