Linear model of the airgap (without saturation effects) of a DC
machine, using only equations.
Induced excitation voltage is calculated from der(flux), where flux
is defined by excitation inductance times excitation current.
Induced armature voltage is calculated from flux times angular
velocity.
Generated at 2020-06-05T07:38:22Z by OpenModelica 1.16.0~dev-420-gc007a39
.Modelica.Electrical.Machines.BasicMachines.Components.AirGapDC