AixLib.Electrical.AC.OnePhase.Lines.TwoPortRLC

# .AixLib.Electrical.AC.OnePhase.Lines.TwoPortRLC

Model of an RLC element with two electrical ports

## Information

This model represents a series of two resistive-inductive impedances and a capacitance that connects two AC single phase interfaces. This model can be used to represent a cable in a AC grid.

The model represents the lumped resistances and capacity, as a T-model, as shown in the figure below.

As can be seen in the figure, the resistance R and the inductance L are split in two halves and the capacitance is located in the center. The capacitance in the center is optional. If it is not present, set the parameter `C=0`. The model is either dynamic or static depending on the presence of the capacitive effect.

## Revisions

- November 8, 2016, by Michael Wetter:
  Added `replaceable` to terminal redeclaration as they are redeclared by AixLib.Electrical.AC.ThreePhasesBalanced.Lines.TwoPortRLC.
- May 26, 2016, by Michael Wetter:
  Moved function call to `PhaseSystem.thetaRef` out of derivative operator as this is not yet supported by JModelica.
- March 9, 2015, by Marco Bonvini:
  Added parameter for start value of the voltage.
- August 5, 2014, by Marco Bonvini:
  Revised model and documentation.

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