Buildings.Electrical.AC.ThreePhasesBalanced.Sources

Package with source models for three-phase balanced AC systems

Information

This package contains models for three-phase balanced AC sources.

Extends from Modelica.Icons.SourcesPackage (Icon for packages containing sources).

Package Content

Name	Description
FixedVoltage	Fixed three-phase balanced AC voltage source
Generator	Model of a generator
Grid	Electrical grid
PVSimple	Model of a simple PV panel
PVSimpleOriented	Model of a simple PV panel with orientation
WindTurbine	Model of a simple wind turbine generator
Examples	Package with example models

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.FixedVoltage

Fixed three-phase balanced AC voltage source

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.FixedVoltage

Information

This is a constant voltage source, specifying the complex voltage by the RMS voltage and the phase shift.

Extends from Buildings.Electrical.AC.OnePhase.Sources.FixedVoltage (Fixed single phase AC voltage source).

Parameters

Type	Name	Default	Description
Angle	phiSou	0	Phase shift of the source [rad]
Reference Parameters
Boolean	potentialReference	true	Serve as potential root for the reference angle theta
Boolean	definiteReference	false	Serve as definite root for the reference angle theta

Connectors

Type	Name	Description
Terminal_p	terminal	Generalized terminal

Modelica definition

model FixedVoltage "Fixed three-phase balanced AC voltage source" extends Buildings.Electrical.AC.OnePhase.Sources.FixedVoltage( redeclare Interfaces.Terminal_p terminal, f(start=60), V(start=480)); end FixedVoltage;

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Generator

Model of a generator

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Generator

Information

Model of an inductive generator.

See Buildings.Electrical.AC.OnePhase.Sources.Generator for more information.

Extends from Buildings.Electrical.AC.OnePhase.Sources.Generator (Model of a generator).

Parameters

Type	Name	Default	Description
Angle	phiGen	0	Phase shift of the source [rad]
Reference Parameters
Boolean	potentialReference	true	Serve as potential root for the reference angle theta
Boolean	definiteReference	false	Serve as definite root for the reference angle theta

Connectors

Type	Name	Description
Terminal_p	terminal	Generalized terminal
input RealInput	P	Variable power generated by the source

Modelica definition

model Generator "Model of a generator" extends Buildings.Electrical.AC.OnePhase.Sources.Generator( redeclare Interfaces.Terminal_p terminal, f(start=60)); end Generator;

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Grid

Electrical grid

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.Grid

Information

Model that can be used to represent the electrical grid supply. See Buildings.Electrical.AC.OnePhase.Sources.Grid for more information.

Extends from Buildings.Electrical.AC.OnePhase.Sources.Grid (Electrical grid).

Parameters

Type	Name	Default	Description
Angle	phiSou	0	Phase shift angle of the source [rad]

Connectors

Type	Name	Description
Terminal_p	terminal
PowerOutput	P	Power consumed from grid if positive, or fed to grid if negative

Modelica definition

model Grid "Electrical grid" extends Buildings.Electrical.AC.OnePhase.Sources.Grid( redeclare Interfaces.Terminal_p terminal, f(start=60), V(start=480), redeclare Buildings.Electrical.AC.ThreePhasesBalanced.Sources.FixedVoltage sou); end Grid;

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.PVSimple

Model of a simple PV panel

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.PVSimple

Information

Model of a simple photovoltaic array.

See Buildings.Electrical.AC.OnePhase.Sources.PVSimple for more information.

Extends from Buildings.Electrical.AC.OnePhase.Sources.PVSimple (Simple PV model).

Parameters

Type	Name	Default	Description
Area	A		Gross surface area (including area not covered with active PV cells) [m2]
Real	fAct	0.9	Fraction of surface area with active solar cells [1]
Real	eta	0.12	Module conversion efficiency [1]
Boolean	linearized	false	If =true, introduce a linearization in the load
AC-Conversion
Real	pf	0.9	Power factor
Real	eta_DCAC	0.9	Efficiency of DC/AC conversion

Connectors

Type	Name	Description
output RealOutput	P	Generated power [W]
input RealInput	G	Total solar irradiation per unit area [W/m2]
Terminal_p	terminal	Generalized terminal

Modelica definition

model PVSimple "Model of a simple PV panel" extends Buildings.Electrical.AC.OnePhase.Sources.PVSimple( redeclare Interfaces.Terminal_p terminal, redeclare Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Capacitive load, V_nominal(start=480)); end PVSimple;

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.PVSimpleOriented

Model of a simple PV panel with orientation

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.PVSimpleOriented

Information

Model of a simple photovoltaic array.

This model takes as an input the direct and diffuse solar radiation from the weather bus.

See Buildings.Electrical.AC.OnePhase.Sources.PVSimpleOriented for more information.

Extends from Buildings.Electrical.AC.OnePhase.Sources.PVSimpleOriented (Simple PV model with orientation).

Parameters

Type	Name	Default	Description
Area	A		Gross surface area (including area not covered with active PV cells) [m2]
Real	fAct	0.9	Fraction of surface area with active solar cells [1]
Real	eta	0.12	Module conversion efficiency [1]
Boolean	linearized	false	If =true, linearize the load
AC-Conversion
Real	pf	0.9	Power factor
Real	eta_DCAC	0.9	Efficiency of DC/AC conversion
Orientation
Angle	til		Surface tilt [rad]
Angle	azi		Surface azimuth [rad]

Connectors

Type	Name	Description
output RealOutput	P	Generated power [W]
Terminal_p	terminal	Generalized terminal
Bus	weaBus	Weather data

Modelica definition

model PVSimpleOriented "Model of a simple PV panel with orientation" extends Buildings.Electrical.AC.OnePhase.Sources.PVSimpleOriented( redeclare Interfaces.Terminal_p terminal, redeclare Buildings.Electrical.AC.ThreePhasesBalanced.Sources.PVSimple panel(V_nominal = V_nominal), V_nominal(start=480)); end PVSimpleOriented;

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.WindTurbine

Model of a simple wind turbine generator

Buildings.Electrical.AC.ThreePhasesBalanced.Sources.WindTurbine

Information

Model of a wind turbine whose power is computed as a function of wind-speed as defined in a table.

See Buildings.Electrical.AC.OnePhase.Sources.WindTurbine for more information.

Extends from Buildings.Electrical.AC.OnePhase.Sources.WindTurbine (Simple wind turbine model).

Parameters

Type	Name	Default	Description
Real	scale	1	Scaling factor, used to allow adjusting the power output without changing the table
Boolean	tableOnFile	false	true, if table is defined on file or in function usertab
Real	table[:, 2]	[3.5, 0; 5.5, 0.1; 12, 0.9; ...	Table of generated power (first column is wind speed, second column is power)
String	tableName	"NoName"	Table name on file or in function usertab (see documentation)
String	fileName	"NoName"	File where matrix is stored
Wind correction
Real	h		Height over ground
Height	hRef	10	Reference height for wind measurement [m]
Real	nWin	0.4	Height exponent for wind profile calculation
AC-Conversion
Real	pf	0.9	Power factor
Real	eta_DCAC	0.9	Efficiency of DC/AC conversion

Connectors

Type	Name	Description
input RealInput	vWin	Steady wind speed [m/s]
output RealOutput	P	Generated power [W]
Terminal_p	terminal	Generalized terminal

Modelica definition

model WindTurbine "Model of a simple wind turbine generator" extends Buildings.Electrical.AC.OnePhase.Sources.WindTurbine( redeclare Interfaces.Terminal_p terminal, redeclare Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Capacitive load, V_nominal(start=480)); end WindTurbine;