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Implement existing structure of electrical package of Buildings library #1575 
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‎IBPSA/Electrical/AC/Interfaces/PowerOutput.mo

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within IBPSA.Electrical.AC.Interfaces;
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connector PowerOutput
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"Connector with real power, reactive power and power factor"
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output Modelica.Units.SI.Power real "Real power";
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output Modelica.Units.SI.ReactivePower apparent "Apparent power";
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output Modelica.Units.SI.Angle phi "Phase shift";
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output Real cosPhi "Power factor";
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annotation (Icon(graphics={ Polygon(
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points={{-100,100},{100,0},{-100,-100},{-100,100}},
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lineColor={0,0,127},
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fillColor={255,255,255},
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fillPattern=FillPattern.Solid)}), Diagram(graphics={
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Polygon(
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points={{-100,50},{0,0},{-100,-50},{-100,50}},
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lineColor={0,0,127},
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fillColor={255,255,255},
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fillPattern=FillPattern.Solid), Text(
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extent={{30,110},{30,60}},
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textColor={0,0,127},
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textString="%name")}),
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Documentation(info="<html>
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This connector contains multiple quantities that can be used to monitor
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the power consumption of a generic AC systems.
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</html>", revisions="<html>
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<ul>
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<li>
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March 19, 2015, by Marco Bonvini:<br/>
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Added documentation.
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</li>
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</ul>
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</html>"));
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end PowerOutput;

‎IBPSA/Electrical/AC/Interfaces/package.mo

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within IBPSA.Electrical.AC;
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package Interfaces "Package that contains some useful interfaces"
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extends Modelica.Icons.InterfacesPackage;
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annotation (Documentation(info="<html>
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<p>
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This package contains interfaces that are used by the models in the
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<a href=\"modelica://IBPSA.Electrical.AC\">IBPSA.Electrical.AC</a> package.
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</p>
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</html>"));
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end Interfaces;

‎IBPSA/Electrical/AC/Interfaces/package.order

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PowerOutput

‎IBPSA/Electrical/AC/OnePhase/Basics/Ground.mo

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within IBPSA.Electrical.AC.OnePhase.Basics;
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model Ground "Ground connection"
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extends IBPSA.Electrical.Interfaces.Ground(
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redeclare package PhaseSystem = PhaseSystems.OnePhase,
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redeclare Interfaces.Terminal_n terminal);
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annotation (
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defaultComponentName="gnd",
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Icon(coordinateSystem(preserveAspectRatio=false, extent={{-100,-100},
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{100,100}}), graphics={
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Line(
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points={{0,90},{0,0}},
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color={0,120,120},
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smooth=Smooth.None),
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Line(
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points={{-80,0},{80,0}},
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color={0,120,120},
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smooth=Smooth.None),
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Line(
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points={{-60,-20},{60,-20}},
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color={0,120,120},
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smooth=Smooth.None),
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Line(
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points={{-40,-40},{40,-40}},
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color={0,120,120},
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smooth=Smooth.None)}), Documentation(info="<html>
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<p>
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This model represents a connection to the ground.
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</p>
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</html>", revisions="<html>
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<ul>
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<li>
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June 4, 2014, by Marco Bonvini:<br/>
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Added User's guide.
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</li>
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</ul>
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</html>"));
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end Ground;

‎IBPSA/Electrical/AC/OnePhase/Basics/package.mo

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within Buildings.Electrical.AC.OnePhase;
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package Basics "Package with basic models"
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extends Modelica.Icons.BasesPackage;
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annotation (Documentation(info="<html>
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<p>
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This package contains simple models used in AC single phase networks.
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</p>
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</html>", revisions="<html>
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<ul>
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<li>
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June 4, 2014, by Marco Bonvini:<br/>
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Added User's guide.
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</li>
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</ul>
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</html>"));
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end Basics;

‎IBPSA/Electrical/AC/OnePhase/Basics/package.order

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Ground

‎IBPSA/Electrical/AC/OnePhase/Conversion/ACACConverter.mo

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within IBPSA.Electrical.AC.OnePhase.Conversion;
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model ACACConverter "AC AC converter single phase systems"
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extends IBPSA.Electrical.Icons.RefAngleConversion;
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extends IBPSA.Electrical.Interfaces.PartialConversion(
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redeclare package PhaseSystem_p = PhaseSystems.OnePhase,
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redeclare package PhaseSystem_n = PhaseSystems.OnePhase,
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redeclare replaceable Interfaces.Terminal_n terminal_n
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constrainedby Interfaces.Terminal_n(
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i(start = zeros(PhaseSystem_n.n),
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each stateSelect = StateSelect.prefer)),
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redeclare replaceable Interfaces.Terminal_p terminal_p
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constrainedby Interfaces.Terminal_p(
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i(start = zeros(PhaseSystem_p.n),
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each stateSelect = StateSelect.prefer)));
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parameter Real conversionFactor(min = Modelica.Constants.eps)
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"Ratio of QS rms voltage on side 2 / QS rms voltage on side 1";
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parameter Real eta(min=0, max=1)
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"Converter efficiency, pLoss = (1-eta) * Ptr";
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parameter Boolean ground_1 = false
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"If true, connect side 1 of converter to ground"
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annotation(Evaluate=true,Dialog(tab = "Ground", group="side 1"));
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parameter Boolean ground_2 = true
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"If true, connect side 2 of converter to ground"
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annotation(Evaluate=true, Dialog(tab = "Ground", group="side 2"));
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Modelica.Units.SI.Power LossPower[2] "Loss power";
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protected
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Modelica.Units.SI.Power P_p[2]=PhaseSystem_p.phasePowers_vi(terminal_p.v,
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terminal_p.i) "Power transmitted at pin p";
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Modelica.Units.SI.Power P_n[2]=PhaseSystem_n.phasePowers_vi(terminal_n.v,
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terminal_n.i) "Power transmitted at pin n";
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equation
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// Ideal transformation
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terminal_p.v = conversionFactor*terminal_n.v;
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// Power loss term
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terminal_p.i[1] = terminal_n.i[1]/conversionFactor*
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IBPSA.Utilities.Math.Functions.spliceFunction(eta-2, 1/(eta-2), P_p[1], deltax=0.1);
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terminal_p.i[2] = terminal_n.i[2]/conversionFactor*
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IBPSA.Utilities.Math.Functions.spliceFunction(eta-2, 1/(eta-2), P_p[1], deltax=0.1);
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LossPower = P_p + P_n;
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// The two sides have the same reference angle
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terminal_p.theta = terminal_n.theta;
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if ground_1 then
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Connections.potentialRoot(terminal_n.theta);
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end if;
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if ground_2 then
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Connections.root(terminal_p.theta);
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end if;
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annotation (
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defaultComponentName="conACAC",
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Icon(coordinateSystem(preserveAspectRatio=false,
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extent={{-100,-100},{100,100}}),
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graphics={
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Line(
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points={{2,60},{2,60},{82,60},{2,60},{82,-60},{2,-60},{2,60},{2,-60}},
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color={0,120,120},
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smooth=Smooth.None),
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Line(
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points={{-2,60},{-2,60},{-82,60},{-2,60},{-82,-60},{-2,-60},{-2,60},{
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-2,-60}},
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color={11,193,87},
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smooth=Smooth.None),
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Text(
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extent={{-100,92},{100,60}},
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textColor={0,0,0},
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textString="%name"),
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Text(
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extent={{-100,-60},{100,-92}},
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textColor={0,0,0},
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textString="%conversionFactor"),
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Text(
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extent={{-100,-100},{100,-132}},
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textColor={0,120,120},
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textString="%eta"),
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Text(
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extent={{-132,78},{-72,38}},
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textColor={11,193,87},
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textString="1"),
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Text(
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extent={{-88,52},{-28,12}},
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textColor={11,193,87},
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textString="AC"),
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Text(
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extent={{32,52},{92,12}},
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textColor={0,120,120},
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textString="AC"),
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Text(
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extent={{70,78},{130,38}},
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textColor={0,120,120},
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textString="2")}),
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Documentation(info="<html>
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<p>
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This is an AC/AC converter, based on a power balance between both circuit sides.
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The parameter <i>conversionFactor</i> defines the ratio between the RMS voltages
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as
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</p>
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<p align=\"center\" style=\"font-style:italic;\">
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V<sub>2</sub> = conversionFactor V<sub>1</sub>
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</p>
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<p>
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where <i>V<sub>1</sub></i> and <i>V<sub>2</sub></i> are the RMS voltages
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at the primary and secondary sides of the transformer, i.e., the
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connector N and P, respectively.
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</p>
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<p>
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The loss of the converter is proportional to the power transmitted.
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The parameter <code>eta</code> is the efficiency of the transfer.
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The loss is computed as
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</p>
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<p align=\"center\" style=\"font-style:italic;\">
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P<sub>loss</sub> = (1-&eta;) P<sub>tr</sub>,
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</p>
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<p>
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where <i>P<sub>tr</sub></i> is the power transmitted. The model is bi-directional
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and the power can flow from the primary to the secondary side and vice-versa.
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Furthermore, reactive power on both side are set to zero.
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</p>
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<h4>Note:</h4>
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<p>
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This model is derived from
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<a href=\"modelica://Modelica.Electrical.QuasiStationary.SinglePhase.Utilities.IdealACDCConverter\">
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Modelica.Electrical.QuasiStationary.SinglePhase.Utilities.IdealACDCConverter</a>.
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</p>
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</html>", revisions="<html>
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<ul>
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<li>
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January 30, 2019, by Michael Wetter:<br/>
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Added missing <code>replaceable</code> for the terminal.
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</li>
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<li>
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September 4, 2014, by Michael Wetter:<br/>
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Revised model.
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</li>
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<li>
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August 5, 2014, by Marco Bonvini:<br/>
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Revised documentation.
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</li>
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<li>
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June 9, 2014, by Marco Bonvini:<br/>
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Revised implementation and added <code>stateSelect</code> statement to use
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the current <code>i[:]</code> on the connectors as iteration variable for the
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initialization problem.
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</li>
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<li>
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January 29, 2012, by Thierry S. Nouidui:<br/>
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First implementation.
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</li>
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</ul>
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</html>"));
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end ACACConverter;

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