BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Lines.TwoPortRL

# .BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Lines.TwoPortRL

Model of a resistive-inductive element with two electrical ports

## Information

Resistive-inductive model that connects two AC three-phase unbalanced interfaces. This model can be used to represent a cable in a three-phase unbalanced AC system.

The model represents the lumped impedances as shown in the figure above. Assuming that the overall cable has a resistance R and an inductance L, each line has an inductance equal to L/3 and a resistance equal to R/3.

## Revisions

- March 9, 2015, by Marco Bonvini:
  Added parameter for start value of the current.
- January 14, 2015, by Marco Bonvini:
  Added equation that represents Joule losses
- October 6, 2014, by Marco Bonvini:
  Revised documentation and model.

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