Buildings.Electrical.PhaseSystems.PartialPhaseSystem
Base package of all phase systems
Information
This package declares the functions that are used to implement the different phase systems.
Extends from Modelica.Icons.Package (Icon for standard packages).
Package Content
| Name | Description |
|---|---|
| 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 |
 j
|
Return vector rotated by 90 degrees |
| jj
|
Vectorized version of j |
| rotate
|
Rotate a vector of an angle theta (anti-counterclock) |
| product
|
Multiply two vectors |
| divide
|
Divide two vectors |
| thetaRel
|
Return absolute angle of rotating system as offset to thetaRef |
| thetaRef
|
Return absolute angle of rotating reference system |
| phase
|
Return phase |
| phaseVoltages
|
Return phase to neutral voltages |
| phaseCurrents
|
Return phase currents |
| phasePowers
|
Return phase powers |
| phasePowers_vi
|
Return phase powers |
| systemVoltage
|
Return system voltage as function of phase voltages |
| systemCurrent
|
Return system current as function of phase currents |
| activePower
|
Return total power as function of phase powers |
Types and constants
constant String phaseSystemName = "UnspecifiedPhaseSystem" "Name of the phase system represented by the package";
constant Integer n "Number of independent voltage and current components";
constant Integer m "Number of reference angles";
type Current = Real(unit = "A", quantity = "Current." + phaseSystemName) "Current for connector";
type Voltage = Real(unit = "V", quantity = "Voltage." + phaseSystemName) "Voltage for connector";
type ReferenceAngle "Reference angle for connector" extends Modelica.Units.SI.Angle; function equalityConstraint "Assert that angles are equal" extends Modelica.Icons.Function; input ReferenceAngle theta1[:]; input ReferenceAngle theta2[:]; output Real residue[0]; algorithm for i in 1:size(theta1, 1) loop assert(abs(theta1[i] - theta2[i]) < Modelica.Constants.eps, "Angles theta1 and theta2 are not equal over the connection."); end for; end equalityConstraint; end ReferenceAngle;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.j
Return vector rotated by 90 degrees
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | x[n] |
Outputs
| Type | Name | Description |
|---|---|---|
| Real | y[n] |
Modelica definition
replaceable partial function j "Return vector rotated by 90 degrees"
extends Modelica.Icons.Function;
input Real x[n];
output Real y[n];
end j;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.jj
Vectorized version of j
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | xx[:, :] | array of voltage or current vectors |
Outputs
| Type | Name | Description |
|---|---|---|
| Real | yy[size(xx, 1), size(xx, 2)] | array of rotated vectors |
Modelica definition
replaceable partial function jj "Vectorized version of j"
extends Modelica.Icons.Function;
input Real[:,:] xx "array of voltage or current vectors";
output Real[size(xx,1),size(xx,2)] yy "array of rotated vectors";
algorithm
//yy := {j(xx[:,k]) for k in 1:size(xx,2)};
// Note: Dymola 2013 fails to expand
for k in 1:size(xx,2) loop
yy[:,k] := j(xx[:,k]);
end for;
end jj;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.rotate
Rotate a vector of an angle theta (anti-counterclock)
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | x[n] | ||
| Angle | theta | [rad] |
Outputs
| Type | Name | Description |
|---|---|---|
| Real | y[n] |
Modelica definition
replaceable partial function rotate
"Rotate a vector of an angle theta (anti-counterclock)"
extends Modelica.Icons.Function;
input Real x[n];
input Modelica.Units.SI.Angle theta;
output Real y[n];
end rotate;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.product
Multiply two vectors
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | x[n] | ||
| Real | y[n] |
Outputs
| Type | Name | Description |
|---|---|---|
| Real | z[n] |
Modelica definition
replaceable partial function product "Multiply two vectors"
extends Modelica.Icons.Function;
input Real x[n];
input Real y[n];
output Real z[n];
end product;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.divide
Divide two vectors
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | x[n] | ||
| Real | y[n] |
Outputs
| Type | Name | Description |
|---|---|---|
| Real | z[n] |
Modelica definition
replaceable partial function divide "Divide two vectors"
extends Modelica.Icons.Function;
input Real x[n];
input Real y[n];
output Real z[n];
end divide;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.thetaRel
Return absolute angle of rotating system as offset to thetaRef
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Angle | theta[m] | [rad] |
Outputs
| Type | Name | Description |
|---|---|---|
| Angle | thetaRel | [rad] |
Modelica definition
replaceable partial function thetaRel
"Return absolute angle of rotating system as offset to thetaRef"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Angle theta[m];
output Modelica.Units.SI.Angle thetaRel;
end thetaRel;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.thetaRef
Return absolute angle of rotating reference system
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Angle | theta[m] | [rad] |
Outputs
| Type | Name | Description |
|---|---|---|
| Angle | thetaRef | [rad] |
Modelica definition
replaceable partial function thetaRef
"Return absolute angle of rotating reference system"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Angle theta[m];
output Modelica.Units.SI.Angle thetaRef;
end thetaRef;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.phase
Return phase
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | x[n] |
Outputs
| Type | Name | Description |
|---|---|---|
| Angle | phase | [rad] |
Modelica definition
replaceable partial function phase "Return phase"
extends Modelica.Icons.Function;
input Real x[n];
output Modelica.Units.SI.Angle phase;
end phase;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.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
replaceable partial function phaseVoltages "Return phase to neutral voltages"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Voltage V "system voltage";
input Modelica.Units.SI.Angle phi=0 "phase angle";
output Modelica.Units.SI.Voltage v[n] "phase to neutral voltages";
end phaseVoltages;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.phaseCurrents
Return phase currents
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Current | I | system current [A] | |
| Angle | phi | 0 | phase angle [rad] |
Outputs
| Type | Name | Description |
|---|---|---|
| Current | i[n] | phase currents [A] |
Modelica definition
replaceable partial function phaseCurrents "Return phase currents"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Current I "system current";
input Modelica.Units.SI.Angle phi=0 "phase angle";
output Modelica.Units.SI.Current i[n] "phase currents";
end phaseCurrents;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.phasePowers
Return phase powers
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| ActivePower | P | active system power [W] | |
| Angle | phi | 0 | phase angle [rad] |
Outputs
| Type | Name | Description |
|---|---|---|
| Power | p[n] | phase powers [W] |
Modelica definition
replaceable partial function phasePowers "Return phase powers"
extends Modelica.Icons.Function;
input Modelica.Units.SI.ActivePower P "active system power";
input Modelica.Units.SI.Angle phi=0 "phase angle";
output Modelica.Units.SI.Power p[n] "phase powers";
end phasePowers;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.phasePowers_vi
Return phase powers
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Voltage | v[n] | phase voltages [V] | |
| Current | i[n] | phase currents [A] |
Outputs
| Type | Name | Description |
|---|---|---|
| Power | p[n] | phase powers [W] |
Modelica definition
replaceable partial function phasePowers_vi "Return phase powers"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Voltage v[n] "phase voltages";
input Modelica.Units.SI.Current i[n] "phase currents";
output Modelica.Units.SI.Power p[n] "phase powers";
end phasePowers_vi;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.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
replaceable partial function systemVoltage
"Return system voltage as function of phase voltages"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Voltage v[n];
output Modelica.Units.SI.Voltage V;
end systemVoltage;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.systemCurrent
Return system current as function of phase currents
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Current | i[n] | [A] |
Outputs
| Type | Name | Description |
|---|---|---|
| Current | I | [A] |
Modelica definition
replaceable partial function systemCurrent
"Return system current as function of phase currents"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Current i[n];
output Modelica.Units.SI.Current I;
end systemCurrent;
Buildings.Electrical.PhaseSystems.PartialPhaseSystem.activePower
Return total power as function of phase powers
Information
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Voltage | v[n] | phase voltages [V] | |
| Current | i[n] | phase currents [A] |
Outputs
| Type | Name | Description |
|---|---|---|
| ActivePower | P | active system power [W] |
Modelica definition
replaceable partial function activePower
"Return total power as function of phase powers"
extends Modelica.Icons.Function;
input Modelica.Units.SI.Voltage v[n] "phase voltages";
input Modelica.Units.SI.Current i[n] "phase currents";
output Modelica.Units.SI.ActivePower P "active system power";
end activePower;