Buildings.Electrical.PhaseSystems.ThreePhase

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Buildings.Electrical.PhaseSystems.ThreePhase_d

AC system covering only resistive loads with three symmetric phases

Information

This package declares the functions that are used to implement the AC three-phase balanced and purely resistive models.

Extends from DirectCurrent (DC system).

Package Content

Name	Description
phaseVoltages	Return phase to neutral voltages
systemVoltage	Return system voltage as function of phase voltages
Inherited
j	Direct current has no complex component
rotate	Rotate a vector of an angle theta (anti-counterclock)
thetaRel	Return absolute angle of rotating system as offset to thetaRef
thetaRef	Return absolute angle of rotating reference system
phase	Return phase
phaseCurrents	Return phase currents
phasePowers	Return phase powers
phasePowers_vi	Return phase powers
systemCurrent	Return system current as function of phase currents
activePower	Return total power as function of phase powers
phaseSystemName="UnspecifiedPhaseSystem"	Name of the phase system represented by the package
n	Number of independent voltage and current components
m	Number of reference angles
Current	Current for connector
Voltage	Voltage for connector
ReferenceAngle	Reference angle for connector
jj	Vectorized version of j
product	Multiply two vectors
divide	Divide two vectors

Buildings.Electrical.PhaseSystems.ThreePhase_d.phaseVoltages

Return phase to neutral voltages

Information

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Default	Description
Voltage	V		system voltage [V]
Angle	phi	0	phase angle [rad]

Outputs

Type	Name	Description
Voltage	v[n]	phase to neutral voltages [V]

Modelica definition

redeclare function phaseVoltages "Return phase to neutral voltages" extends Modelica.Icons.Function; input SI.Voltage V "system voltage"; input SI.Angle phi = 0 "phase angle"; output SI.Voltage v[n] "phase to neutral voltages"; algorithm v := {V}/sqrt(3); end phaseVoltages;

Buildings.Electrical.PhaseSystems.ThreePhase_d.systemVoltage

Return system voltage as function of phase voltages

Information

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Default	Description
Voltage	v[n]		[V]

Outputs

Type	Name	Description
Voltage	V	[V]

Modelica definition

redeclare function systemVoltage "Return system voltage as function of phase voltages" extends Modelica.Icons.Function; input SI.Voltage v[n]; output SI.Voltage V; algorithm V := sqrt(3)*v[1]; end systemVoltage;

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