modelCarnot_y

Test model for chiller based on Carnot_y efficiency

Extends from Modelica.Icons.Example (Icon for runnable examples).

Information

Example that simulates a chiller whose efficiency is scaled based on the Carnot cycle. The chiller control signal is the compressor speed.

Type	Name	Default	Description
Modelica.Units.SI.Power	P_nominal	10E3	Nominal compressor power (at y=1)
Modelica.Units.SI.TemperatureDifference	dTEva_nominal	-10	Temperature difference evaporator outlet-inlet
Modelica.Units.SI.TemperatureDifference	dTCon_nominal	10	Temperature difference condenser outlet-inlet
Real	COPc_nominal	3	Chiller COP
Modelica.Units.SI.MassFlowRate	m2_flow_nominal	-P_nominal*COPc_nominal/dTEva_nominal/4200	Nominal mass flow rate at chilled water side
Modelica.Units.SI.MassFlowRate	m1_flow_nominal	m2_flow_nominal*(COPc_nominal + 1)/COPc_nominal	Nominal mass flow rate at condenser water wide

Type	Name	Description
Buildings.Fluid.Chillers.Carnot_y	chi	Chiller model
Buildings.Fluid.Sources.MassFlowSource_T	sou1
Buildings.Fluid.Sources.MassFlowSource_T	sou2
Buildings.Fluid.Sources.Boundary_pT	sin1
Buildings.Fluid.Sources.Boundary_pT	sin2
Modelica.Blocks.Sources.Ramp	uCom	Compressor control signal
Modelica.Blocks.Sources.Ramp	TCon_in	Condenser inlet temperature
Modelica.Blocks.Sources.Ramp	TEva_in	Evaporator inlet temperature

Name	Description
Medium1	Medium model
Medium2	Medium model

February 10, 2023, by Michael Wetter:
Removed binding of parameter with same value as the default.
This is for #1692.
May 15, 2019, by Jianjun Hu:
Replaced fluid source. This is for #1072.
November 25, 2015 by Michael Wetter:
Changed sign of dTEva_nominal to be consistent.
December 22, 2014 by Michael Wetter:
Removed Modelica.Fluid.System to address issue #311.
March 26, 2013 by Michael Wetter:
Removed assignment of parameter that had attribute fixed=false.
March 3, 2009 by Michael Wetter:
First implementation.