Buildings.Fluid.Chillers.Data.BaseClasses

Base classes for package Data

Information

Buildings.Fluid.Chillers.ElectricEIR

Buildings.Fluid.Chillers.ElectricReformulatedEIR

Extends from Modelica.Fluid.Icons.BaseClassLibrary (This icon will be removed in future Modelica versions, use Modelica.Icons.BasePackage instead.).

Package Content

Name	Description
Chiller	Base classes for chiller models

Name

Description

Chiller

Base classes for chiller models

Buildings.Fluid.Chillers.Data.BaseClasses.Chiller

Base classes for chiller models

Information

Extends from Modelica.Icons.Record (Icon for records).

Parameters

Type	Name	Description
Real	PLRMax	Maximum part load ratio
Real	PLRMinUnl	Minimum part unload ratio
Real	PLRMin	Minimum part load ratio
Real	etaMotor	Fraction of compressor motor heat entering refrigerant
Nominal condition
HeatFlowRate	QEva_flow_nominal	Reference capacity (negative number) [W]
Real	COP_nominal	Reference coefficient of performance
MassFlowRate	mEva_flow_nominal	Nominal mass flow at evaporator [kg/s]
MassFlowRate	mCon_flow_nominal	Nominal mass flow at condenser [kg/s]
Temperature	TEvaLvg_nominal	Temperature of fluid leaving evaporator at nominal condition [K]
Performance curves
Integer	nCapFunT	Number of coefficients for capFunT
Integer	nEIRFunT	Number of coefficients for capFunT
Integer	nEIRFunPLR	Number of coefficients for capFunT
Real	capFunT[nCapFunT]	Biquadratic coefficients for capFunT
Real	EIRFunT[nEIRFunT]	Biquadratic coefficients for EIRFunT
Real	EIRFunPLR[nEIRFunPLR]	Coefficients for EIRFunPLR
Temperature	TEvaLvgMin	Minimum value for leaving evaporator temperature [K]
Temperature	TEvaLvgMax	Maximum value for leaving evaporator temperature [K]

Type

Name

Default

Description

Real

PLRMax

Maximum part load ratio

Real

PLRMinUnl

Minimum part unload ratio

Real

PLRMin

Minimum part load ratio

Real

etaMotor

Fraction of compressor motor heat entering refrigerant

Nominal condition

HeatFlowRate

QEva_flow_nominal

Reference capacity (negative number) [W]

Real

COP_nominal

Reference coefficient of performance

MassFlowRate

mEva_flow_nominal

Nominal mass flow at evaporator [kg/s]

MassFlowRate

mCon_flow_nominal

Nominal mass flow at condenser [kg/s]

Temperature

TEvaLvg_nominal

Temperature of fluid leaving evaporator at nominal condition [K]

Performance curves

Integer

nCapFunT

Number of coefficients for capFunT

Integer

nEIRFunT

Number of coefficients for capFunT

Integer

nEIRFunPLR

Number of coefficients for capFunT

Real

capFunT[nCapFunT]

Biquadratic coefficients for capFunT

Real

EIRFunT[nEIRFunT]

Biquadratic coefficients for EIRFunT

Real

EIRFunPLR[nEIRFunPLR]

Coefficients for EIRFunPLR

Temperature

TEvaLvgMin

Minimum value for leaving evaporator temperature [K]

Temperature

TEvaLvgMax

Maximum value for leaving evaporator temperature [K]

Modelica definition

record Chiller "Base classes for chiller models" extends Modelica.Icons.Record; parameter Modelica.SIunits.HeatFlowRate QEva_flow_nominal(max=0) "Reference capacity (negative number)"; parameter Real COP_nominal "Reference coefficient of performance"; parameter Real PLRMax(min=0) "Maximum part load ratio"; parameter Real PLRMinUnl(min=0) "Minimum part unload ratio"; parameter Real PLRMin(min=0) "Minimum part load ratio"; parameter Real etaMotor(min=0, max=1) "Fraction of compressor motor heat entering refrigerant"; parameter Modelica.SIunits.MassFlowRate mEva_flow_nominal "Nominal mass flow at evaporator"; parameter Modelica.SIunits.MassFlowRate mCon_flow_nominal "Nominal mass flow at condenser"; parameter Modelica.SIunits.Temperature TEvaLvg_nominal "Temperature of fluid leaving evaporator at nominal condition"; constant Integer nCapFunT "Number of coefficients for capFunT"; constant Integer nEIRFunT "Number of coefficients for capFunT"; constant Integer nEIRFunPLR "Number of coefficients for capFunT"; parameter Real capFunT[nCapFunT] "Biquadratic coefficients for capFunT"; parameter Real EIRFunT[nEIRFunT] "Biquadratic coefficients for EIRFunT"; parameter Real EIRFunPLR[nEIRFunPLR] "Coefficients for EIRFunPLR"; parameter Modelica.SIunits.Temperature TEvaLvgMin "Minimum value for leaving evaporator temperature"; parameter Modelica.SIunits.Temperature TEvaLvgMax "Maximum value for leaving evaporator temperature"; end Chiller;