model Conductor "Single phase linear conductor"
import Modelica.ComplexMath.real;
import Modelica.ComplexMath.conj;
extends Interfaces.OnePort;
parameter Modelica.SIunits.Conductance G_ref(start = 1) "Reference conductance at T_ref";
parameter Modelica.SIunits.Temperature T_ref = 293.15 "Reference temperature";
parameter Modelica.SIunits.LinearTemperatureCoefficient alpha_ref = 0 "Temperature coefficient of conductance (G_actual = G_ref/(1 + alpha_ref*(heatPort.T - T_ref))";
extends Modelica.Electrical.Analog.Interfaces.ConditionalHeatPort(T = T_ref);
Modelica.SIunits.Conductance G_actual "Conductance = G_ref/(1 + alpha_ref*(heatPort.T - T_ref))";
equation
assert(Modelica.Constants.eps <= 1 + alpha_ref * (T_heatPort - T_ref), "Temperature outside scope of model!");
i = G_actual * v;
G_actual = G_ref / (1 + alpha_ref * (T_heatPort - T_ref));
LossPower = real(v * conj(i));
annotation (
Icon(graphics = {
Line(
points = {
{60, 0},
{90, 0}},
color = {85, 170, 255}),
Line(
points = {
{-90, 0},
{-60, 0}},
color = {85, 170, 255}),
Rectangle(
extent = {
{-70, 30},
{70, -30}},
lineColor = {85, 170, 255},
fillColor = {255, 255, 255},
fillPattern = FillPattern.Solid),
Text(
extent = {
{150, -40},
{-148, -80}},
textString = "G=%G_ref"),
Text(
extent = {
{-150, 90},
{150, 50}},
textString = "%name",
lineColor = {0, 0, 255})}),
Documentation(info = "<html>\n\n<p>\nThe linear conductor connects the voltage <code><u>v</u></code> with the\ncurrent <code><u>i</u></code> by <code><u>i</u> = <u>v</u>*G</code>.\nThe conductance <code>G</code> is allowed to be positive, zero, or negative.\n</p>\n\n<p>\nThe conductor model also has an optional\n<a href=\"modelica://Modelica.Electrical.Analog.Interfaces.ConditionalHeatPort\">conditional heat port</a>.\nA linear temperature dependency of the conductance is also taken into account.\n</p>\n\n<h4>See also</h4>\n<p>\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.Resistor\">Resistor</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.Capacitor\">Capacitor</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.Inductor\">Inductor</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.Impedance\">Impedance</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.Admittance\">Admittance</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.VariableResistor\">Variable resistor</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.VariableConductor\">Variable conductor</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.VariableCapacitor\">Variable capacitor</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.VariableInductor\">Variable inductor</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.VariableImpedance\">Variable impedance</a>,\n<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Basic.VariableAdmittance\">Variable admittance</a>\n</p>\n</html>"));
end Conductor;