Modelica.Magnetic.FundamentalWave.Examples.Components

Information

Package Content

Name	Description
EddyCurrentLosses	Comparison of equivalent circuits of eddy current loss models

Modelica.Magnetic.FundamentalWave.Examples.Components.EddyCurrentLosses

Information

In this example the eddy current losses are implemented in two different ways. Compare the loss dissipation powerb_e.power and powerb_m.power of the two models indicated by power meters.

Extends from Modelica.Icons.Example (Icon for runnable examples).

Parameters

Type	Name	Default	Description
Resistance	RLeader	0.1	Resistance of leader cables [Ohm]
Conductance	Gc	1	Loss conductance [S]
Reluctance	R_m	1	Reluctance of the magnetic circuit [H-1]
Real	N	1	Number of turns

Modelica definition

model EddyCurrentLosses 
  "Comparison of equivalent circuits of eddy current loss models"
  extends Modelica.Icons.Example;
  parameter Modelica.SIunits.Resistance RLeader = 0.1 
    "Resistance of leader cables";
  parameter Modelica.SIunits.Conductance Gc=1 "Loss conductance";
  parameter Modelica.SIunits.Reluctance R_m=1 
    "Reluctance of the magnetic circuit";
  parameter Real N = 1 "Number of turns";
  output Modelica.SIunits.Power lossPower_e=sum(loss_e.conductor.LossPower);
  output Modelica.SIunits.Power lossPower_m=loss_m.lossPower;

  Modelica.Electrical.Analog.Basic.Ground ground_e;
  Modelica.Electrical.Analog.Basic.Ground ground_m;
  Modelica.Electrical.MultiPhase.Basic.Star star_e;
  Modelica.Electrical.MultiPhase.Basic.Star star_m;
  Modelica.Electrical.MultiPhase.Sources.SineVoltage sineVoltage_e;
  Modelica.Electrical.MultiPhase.Sources.SineVoltage sineVoltage_m;
  Modelica.Electrical.MultiPhase.Basic.Resistor leader_e(R=fill(RLeader, 3));
  Modelica.Electrical.MultiPhase.Basic.Resistor leader_m(R=fill(RLeader, 3));
  Modelica.Magnetic.FundamentalWave.Components.MultiPhaseElectroMagneticConverter
    converter_e(orientation=
    Modelica.Magnetic.FundamentalWave.BasicMachines.Functions.symmetricOrientation(3),
    m=3,
    effectiveTurns=fill(N, 3));
  Modelica.Magnetic.FundamentalWave.Components.MultiPhaseElectroMagneticConverter
    converter_m(orientation=
      Modelica.Magnetic.FundamentalWave.BasicMachines.Functions.symmetricOrientation(3),
    effectiveTurns=fill(N, 3),
    m=3);
  Modelica.Magnetic.FundamentalWave.Components.Reluctance reluctance_e(R_m(d=
          R_m, q=R_m));
  Modelica.Magnetic.FundamentalWave.Components.Reluctance reluctance_m(R_m(d=
          R_m, q=R_m));
  Modelica.Magnetic.FundamentalWave.Components.Ground mground_e;
  Modelica.Magnetic.FundamentalWave.Components.Ground mground_m;
  Electrical.MultiPhase.Basic.Conductor loss_e(G=fill(Gc, 3));
  Modelica.Magnetic.FundamentalWave.Components.EddyCurrent loss_m(G=3*N^2*Gc/2);
  Modelica.Electrical.MultiPhase.Sensors.PowerSensor powerb_e;
  Modelica.Electrical.MultiPhase.Sensors.PowerSensor powerb_m;
equation 

  connect(sineVoltage_e.plug_n, converter_e.plug_n);
  connect(sineVoltage_e.plug_n, star_e.plug_p);
  connect(sineVoltage_m.plug_n, star_m.plug_p);
  connect(star_e.pin_n, ground_e.p);
  connect(star_m.pin_n, ground_m.p);
  connect(sineVoltage_m.plug_n, converter_m.plug_n);
  connect(converter_e.port_p, reluctance_e.port_p);
  connect(converter_e.port_n, reluctance_e.port_n);
  connect(converter_e.port_n, mground_e.port_p);
  connect(converter_m.port_n, reluctance_m.port_n);
  connect(converter_m.port_p, loss_m.port_p);
  connect(loss_m.port_n, reluctance_m.port_p);
  connect(converter_m.port_n, mground_m.port_p);
  connect(leader_e.plug_p, sineVoltage_e.plug_p);
  connect(sineVoltage_m.plug_p, leader_m.plug_p);
  connect(leader_e.plug_n, powerb_e.pc);
  connect(powerb_e.pv, powerb_e.pc);
  connect(powerb_e.nc, loss_e.plug_p);
  connect(powerb_e.nv, sineVoltage_e.plug_n);
  connect(leader_m.plug_n, powerb_m.pc);
  connect(powerb_m.pc, powerb_m.pv);
  connect(powerb_m.nc, converter_m.plug_p);
  connect(powerb_m.nv, sineVoltage_m.plug_n);
  connect(loss_e.plug_n, sineVoltage_e.plug_n);
  connect(loss_e.plug_p, converter_e.plug_p);
end EddyCurrentLosses;