Update to Modelica.Magnetic.FluxTubes.Examples.Hysteresis.SinglePhase… #1
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…TransformerWithHysteresis1
In order to setup the initial equation system to Modelica.Magnetic.FluxTubes.Examples.Hysteresis.SinglePhaseTransformerWithHysteresis1 additional equations are needed in order to obtain a balanced system.
That the equations below are added is natural as a consequence of the start values and fixed=true for these states:
```
winding1.i = 0;
winding2.i = 0;
core.MagRel = 0.5;
```
However, the fourth equation that is needed is not clearly defined, and different compiler heuristics will lead to different initial equations.
We suggest to explicitly add
```
initial equation
core.derHstat = 0.0;
```
Plus remove protected to allow access to the transformer components from outside the model
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…TransformerWithHysteresis1
In order to setup the initial equation system to Modelica.Magnetic.FluxTubes.Examples.Hysteresis.SinglePhaseTransformerWithHysteresis1 additional equations are needed in order to obtain a balanced system.
That the equations below are added is natural as a consequence of the start values and fixed=true for these states:
However, the fourth equation that is needed is not clearly defined, and different compiler heuristics will lead to different initial equations.
We suggest to explicitly add