model Delta "Delta (polygon) connection"
parameter Integer m(final min = 2) = 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}})));
equation
for j in 1:m loop
if j < m then
plug_n.pin[j].v = plug_p.pin[j + 1].v;
plug_n.pin[j].i + plug_p.pin[j + 1].i = 0;
else
plug_n.pin[j].v = plug_p.pin[1].v;
plug_n.pin[j].i + plug_p.pin[1].i = 0;
end if;
end for;
annotation (
Icon(
coordinateSystem(
preserveAspectRatio = false,
extent = {
{-100, -100},
{100, 100}}),
graphics = {
Line(
points = {
{-40, 68},
{-40, -70},
{79, 0},
{-40, 68},
{-40, 67}},
thickness = 0.5,
color = {0, 0, 255}),
Line(
points = {
{-90, 0},
{-40, 0}},
color = {0, 0, 255}),
Line(
points = {
{80, 0},
{90, 0}},
color = {0, 0, 255}),
Text(
extent = {
{-150, -110},
{150, -70}},
textString = "m=%m"),
Text(
extent = {
{-150, 70},
{150, 110}},
textString = "%name",
lineColor = {0, 0, 255})}),
Documentation(info = "<html>\n<p>\nConnects in a cyclic way plug_n.pin[j] to plug_p.pin[j+1],\nthus establishing a so-called delta (or polygon) connection\nwhen used in parallel to another component.\n</p>\n\n<h4>See also</h4>\n<p>\n<a href=\"modelica://Modelica.Electrical.MultiPhase.Basic.Star\">Star</a>,\n<a href=\"modelica://Modelica.Electrical.MultiPhase.Basic.MultiStar\">MultiStar</a>,\n<a href=\"modelica://Modelica.Electrical.MultiPhase.Basic.MultiDelta\">MultiDelta</a>\n</p>\n</html>"));
end Delta;