The model System represents a global reference for the following purposes:

It allows the choice of

It provides

The angles allow the definition of a rotating or stationary electrical coordinate system.
Root-nodes defining coordinate-orientation will have the connector variable theta = {thetaRel, thetaRef}

Note: Each model using System must use it with an inner declaration and instance name system in order that it can be accessed from all objects in the model.
When dragging the 'System' from the package browser into the diagram layer, declaration and instance name are automatically generated.

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