CurrentSensor

model CurrentSensor "Multiphase current sensor"
    extends Modelica.Icons.RotationalSensor;

    parameter Integer m(final min = 1) = 3 "Number of phases";
    Interfaces.PositivePlug plug_p(final m = m) annotation (Placement(transformation(extent = {
        {-110, -10}, 
        {-90, 10}})));
    Interfaces.NegativePlug plug_n(final m = m) annotation (Placement(transformation(extent = {
        {90, -10}, 
        {110, 10}})));
    Modelica.Blocks.Interfaces.RealOutput i[m] "current in the branch from p to n as output signal"
        annotation (Placement(transformation(
            origin = {0, -110},
            extent = {
                {10, -10}, 
                {-10, 10}},
            rotation = 90)));
    Modelica.Electrical.Analog.Sensors.CurrentSensor currentSensor[m] annotation (Placement(transformation(extent = {
        {-10, -10}, 
        {10, 10}})));
equation
    connect(plug_p.pin,currentSensor.p) annotation (Line(
        points = {
            {-100, 0}, 
            {-10, 0}},
        color = {0, 0, 255}));
    connect(currentSensor.i,i) annotation (Line(
        points = {
            {0, -11}, 
            {0, -110}},
        color = {0, 0, 127}));
    connect(currentSensor.n,plug_n.pin) annotation (Line(
        points = {
            {10, 0}, 
            {100, 0}},
        color = {0, 0, 255}));

    annotation (
        Icon(
            coordinateSystem(
                preserveAspectRatio = false,
                extent = {
                    {-100, -100}, 
                    {100, 100}}),
            graphics = {
                Text(
                    extent = {
                        {-29, -11}, 
                        {30, -70}},
                    textString = "A"), 
                Line(points = {
                    {-70, 0}, 
                    {-90, 0}}), 
                Line(points = {
                    {70, 0}, 
                    {90, 0}}), 
                Line(
                    points = {
                        {0, -100}, 
                        {0, -70}},
                    color = {0, 0, 127}), 
                Text(
                    extent = {
                        {150, -100}, 
                        {-150, -70}},
                    textString = "m=%m"), 
                Text(
                    extent = {
                        {-150, 80}, 
                        {150, 120}},
                    textString = "%name",
                    lineColor = {0, 0, 255})}),
        Documentation(info = "<html>\n<p>\nContains m current sensors (Modelica.Electrical.Analog.Sensors.CurrentSensor),\nthus measuring the m currents <em>i[m]</em> flowing from the m pins of plug_p to the m pins of plug_n.\n</p>\n</html>"));
end CurrentSensor;