Standard package icon.
Extends from Modelica.Icons.FunctionsPackage
(Icon for packages containing functions).
Name | Description |
---|---|
activePower | Calculate active power of voltage and current input |
factorY2D | Calculates factor Y voltage to polygon (delta) voltage |
factorY2DC | Calculates factor of DC-voltage from RMS Y-voltage |
indexNonPositiveSequence | Determines the indices of all non positive sequences |
indexPositiveSequence | Determines the indices of the all positive sequences |
numberOfSymmetricBaseSystems | Determines the number of symmetric base systems of m phase symmetric system |
quasiRMS | Calculate continuous quasi RMS value of input |
symmetricBackTransformationMatrix | Back transformation matrix for symmetrical components |
symmetricOrientation | Orientations of the resulting fundamental wave field phasors |
symmetricOrientationMatrix | Matrix symmetric orientation angles for creating the symmetric transformation matrix |
symmetricTransformationMatrix | Transformation matrix for symmetrical components |
This function determines the continuous quasi RMS value of a multi phase system, representing an equivalent RMS vector or phasor. If the waveform of the input deviates from a sine curve, the output of the sensor will not be exactly the average RMS value.
y = sqrt(sum(u[k]^2 for k in 1:m)/m)
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Real | x[:] |   |
Type | Name | Description |
---|---|---|
Real | y |   |
Calculates instantaneous power from multiphase voltages and currents. In quasistationary operation, instantaneous power equals active power;
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Voltage | v[:] | Phase voltages |
Current | i[size(v, 1)] | Phase currents |
Type | Name | Description |
---|---|---|
Power | p | Active power |
This function determines the orientation angles of the symmetrical winding with m phases.
User's guide on symmetrical components and orientation.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Angle | orientation[m] | Orientation of the resulting fundamental wave field phasors |
This function determines the orientation matrix of the symmetrical winding with m phases.
User's guide on symmetrical components and orientation.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Angle | oM[m,m] | Angles of symmetric transformation matrix |
This function determines the transformation matrix of the symmetrical winding with m phases.
The transformation matrix can be used to determine the symmetrical components from time phasors.
User's guide on symmetrical components and orientation.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Complex | tM[m,m] | Transformation matrix for m phase symmetrical components |
This function determines the back transformation matrix of the symmetrical winding with m phases.
The back transformation matrix can be used to determine the time phasors from the symmetrical components.
User's guide on symmetrical components and orientation.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Complex | bTM[m,m] | Back transformation matrix for m phase symmetrical components |
This function determines the number of base systems of the symmetrical winding with m phases.
User's guide on symmetrical components and orientation.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Integer | n | Number of symmetric base systems |
This icon indicates Modelica functions.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Real | y | Factor Y to D |
This icon indicates Modelica functions.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Real | y | Factor Yrms to DC |
This function determines the indices of positive sequence of the symmetrical winding with m phases.
User's guide on symmetrical components and orientation.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Integer | ind[numberOfSymmetricBaseSystems(m)] | Number of symmetric base systems |
This function determines the indices of non-positive sequence of the symmetrical winding with m phases.
User's guide on symmetrical components and orientation.
Extends from Modelica.Icons.Function
(Icon for functions).
Type | Name | Description |
---|---|---|
Integer | m | Number of phases |
Type | Name | Description |
---|---|---|
Integer | ind[numberOfSymmetricBaseSystems(m) * (integer(m / numberOfSymmetricBaseSystems(m)) - 1)] | Indices of non positive sequences |