.PowerSystems.Utilities.Precalculation.equiCircuit

Information

This function is added for completeness. It is not used in the machine models.

See also analog circuit on 'Diagram layer' of 'CoefSynchron' and 'CoefAsynchron'!

Interface

function equiCircuit
  extends Modelica.Icons.Function;
  input Integer n "transient order";
  input SI.Angle[n] Tc "time constant closed-loop";
  input SI.Angle[n] To "time constant open-loop";
  input SIpu.Reactance x(unit = "1") "total or syn reactance";
  input SIpu.Reactance xsig_s(unit = "1") "leakage reactance stator";
  input SIpu.Resistance r_s(unit = "1") "resistance stator";
  input SIpu.Current if0(unit = "1") "field current";
  input SI.Angle alpha_if0 "angle field current (sign: mathematical convention)";
  input Real tol "tolerance, iterative solution";
  input Boolean field "field winding yes/no";
  output SIpu.Resistance[n] r_r(each unit = "1") "resistance rotor";
  output SIpu.Reactance[n] xsig_r(each unit = "1") "leakage reactance rotor";
  output SIpu.Reactance[n + 1] xm(each unit = "1") "coupling reactance";
end equiCircuit;