| 1 | within ;
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| 2 | package IMCNominalOperation
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| 3 | model NominalOperation "Nominal Operation"
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| 4 | extends Modelica.Icons.Example;
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| 5 | import Modelica.Constants.eps;
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| 6 | import Modelica.Constants.pi;
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| 7 | import Modelica.SIunits.Conversions.from_rpm;
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| 8 | import Modelica.SIunits.Conversions.from_degC;
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| 9 | parameter Integer m(final min=2) = 3 "Number of phases";
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| 10 | final parameter Integer mSystems=Modelica.Electrical.MultiPhase.Functions.numberOfSymmetricBaseSystems(m) "Count of basic systems";
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| 11 | parameter Modelica.SIunits.Inertia Jr=eps*0.015 "Rotor's moment of inertia";
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| 12 | parameter Modelica.SIunits.Inertia Js=Jr "Stator's moment of inertia";
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| 13 | parameter Integer p(min=1) = 2 "Number of pole pairs (Integer)";
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| 14 | parameter Modelica.SIunits.Frequency fsNominal=133 "Nominal frequency";
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| 15 | parameter Real effectiveStatorTurns=1 "Effective number of stator turns";
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| 16 | parameter String terminalConnection="Y" "Choose Y=star/D=delta";
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| 17 | parameter Modelica.SIunits.Voltage VsNominal=300/sqrt(3) "Nominal RMS voltage per phase";
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| 18 | parameter Modelica.SIunits.Current IsNominal=38 "Nominal RMS current per phase";
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| 19 | parameter Modelica.SIunits.AngularVelocity wNominal=from_rpm(3929) "Nominal speed";
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| 20 | parameter Modelica.SIunits.Torque tauNominal=36.5 "Nominal torque";
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| 21 | parameter Modelica.SIunits.Torque tauBreakDown=165;
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| 22 | parameter Modelica.SIunits.Resistance Rs=0.0773 "Stator resistance per phase at TRef";
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| 23 | parameter Modelica.SIunits.Temperature TsRef=293.15 "Reference temperature of stator resistance";
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| 24 | parameter Modelica.Electrical.Machines.Thermal.LinearTemperatureCoefficient20
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| 25 | alpha20s=Modelica.Electrical.Machines.Thermal.Constants.alpha20Copper "Temperature coefficient of stator resistance at 20 degC";
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| 26 | parameter Modelica.SIunits.Inductance Lszero=Lssigma "Stator zero sequence inductance";
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| 27 | parameter Modelica.SIunits.Inductance Lssigma=0.000408538 "Stator stray inductance per phase";
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| 28 | parameter Modelica.SIunits.Inductance Lm=0.013019592 "Main inductance per phase";
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| 29 | parameter Modelica.SIunits.Inductance Lrsigma=0.000610054 "Rotor stray inductance per phase";
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| 30 | parameter Modelica.SIunits.Resistance Rr=0.0586 "Rotor resistance per phase at TRef";
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| 31 | parameter Modelica.SIunits.Temperature TrRef=293.15 "Reference temperature of rotor resistance";
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| 32 | parameter Modelica.Electrical.Machines.Thermal.LinearTemperatureCoefficient20
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| 33 | alpha20r=Modelica.Electrical.Machines.Thermal.Constants.alpha20Aluminium "Temperature coefficient of rotor resistance at 20 degC";
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| 34 | parameter Modelica.Electrical.Machines.Losses.FrictionParameters
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| 35 | frictionParameters(PRef=400, wRef=wNominal) "Friction loss parameter record";
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| 36 | parameter Modelica.Electrical.Machines.Losses.CoreParameters
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| 37 | statorCoreParameters(
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| 38 | final m=m,
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| 39 | PRef=630,
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| 40 | VRef=VsNominal,
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| 41 | wRef=2*pi*fsNominal)
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| 42 | "Stator core loss parameter record w.r.t. to stator side";
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| 43 | parameter Modelica.Electrical.Machines.Losses.StrayLoadParameters
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| 44 | strayLoadParameters(
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| 45 | PRef=75,
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| 46 | IRef=IsNominal,
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| 47 | wRef=wNominal) "Stray load loss parameter record";
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| 48 | parameter Modelica.SIunits.Temperature TsOperational=from_degC(95);
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| 49 | parameter Modelica.SIunits.Temperature TrOperational=from_degC(95);
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| 50 | Modelica.SIunits.AngularVelocity wSyn=2*pi*fsNominal/p;
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| 51 | Real s=1 - multiSensor.w/wSyn;
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| 52 | Real pf=cos(powerSensor.arg_y);
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| 53 | Real eta=efficiency(imc.powerBalance.powerStator, imc.powerBalance.powerMechanical);
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| 54 | parameter Modelica.SIunits.Power PmNominal=tauNominal*wNominal;
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| 55 | Modelica.Electrical.QuasiStationary.MultiPhase.Sources.VoltageSource
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| 56 | voltageSource(
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| 57 | gamma(fixed=true, start=0),
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| 58 | m=m,
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| 59 | f=fsNominal,
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| 60 | V=fill(VsNominal, m))
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| 61 | annotation (Placement(transformation(
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| 62 | extent={{-10,-10},{10,10}},
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| 63 | rotation=180,
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| 64 | origin={-50,50})));
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| 65 | Modelica.Electrical.QuasiStationary.SinglePhase.Basic.Ground ground
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| 66 | annotation (Placement(transformation(extent={{-80,-50},{-60,-30}})));
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| 67 | Modelica.Electrical.QuasiStationary.MultiPhase.Basic.Star star(m=mSystems)
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| 68 | annotation (Placement(transformation(
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| 69 | extent={{-10,-10},{10,10}},
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| 70 | rotation=270,
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| 71 | origin={-70,-10})));
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| 72 | Modelica.Magnetic.QuasiStatic.FundamentalWave.Utilities.MultiTerminalBox
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| 73 | multiTerminalBox(m=m, terminalConnection=terminalConnection)
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| 74 | annotation (Placement(transformation(extent={{-10,6},{10,26}})));
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| 75 | Modelica.Electrical.QuasiStationary.MultiPhase.Basic.MultiStar multiStar(m=m)
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| 76 | annotation (Placement(transformation(
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| 77 | extent={{-10,-10},{10,10}},
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| 78 | rotation=270,
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| 79 | origin={-70,20})));
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| 80 | Modelica.Electrical.QuasiStationary.MultiPhase.Sensors.CurrentQuasiRMSSensor
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| 81 | currentSensor(m=m) annotation (Placement(
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| 82 | transformation(
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| 83 | extent={{10,-10},{-10,10}},
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| 84 | rotation=90,
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| 85 | origin={0,30})));
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| 86 | Modelica.Mechanics.Rotational.Sensors.MultiSensor multiSensor
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| 87 | annotation (Placement(transformation(extent={{20,-10},{40,10}})));
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| 88 | Modelica.Electrical.QuasiStationary.MultiPhase.Sensors.PowerSensor
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| 89 | powerSensor(m=m)
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| 90 | annotation (Placement(transformation(extent={{-30,40},{-10,60}})));
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| 91 | Modelica.Mechanics.Rotational.Sources.Torque torque
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| 92 | annotation (Placement(transformation(extent={{70,-10},{50,10}})));
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| 93 | Modelica.Blocks.Math.Feedback feedback
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| 94 | annotation (Placement(transformation(extent={{20,-30},{40,-50}})));
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| 95 | Modelica.Blocks.Continuous.Integrator integrator(
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| 96 | initType=Modelica.Blocks.Types.Init.InitialOutput,
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| 97 | k=-1e6,
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| 98 | y_start=-tauNominal)
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| 99 | annotation (Placement(transformation(extent={{50,-50},{70,-30}})));
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| 100 | Modelica.Blocks.Sources.Ramp ramp(
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| 101 | duration=10,
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| 102 | height=-3*PmNominal,
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| 103 | offset=1.5*PmNominal)
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| 104 | annotation (Placement(transformation(extent={{-10,-50},{10,-30}})));
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| 105 | Modelica.Magnetic.QuasiStatic.FundamentalWave.BasicMachines.InductionMachines.IM_SquirrelCage
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| 106 | imc(
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| 107 | m=m,
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| 108 | Jr=Jr,
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| 109 | useSupport=false,
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| 110 | Js=Js,
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| 111 | useThermalPort=false,
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| 112 | p=p,
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| 113 | fsNominal=fsNominal,
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| 114 | effectiveStatorTurns=effectiveStatorTurns,
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| 115 | wMechanical(start=wNominal),
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| 116 | TsOperational=TsOperational,
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| 117 | Rs=Rs,
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| 118 | TsRef=TsRef,
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| 119 | Lssigma=Lssigma,
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| 120 | frictionParameters=frictionParameters,
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| 121 | statorCoreParameters=statorCoreParameters,
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| 122 | strayLoadParameters=strayLoadParameters,
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| 123 | Lm=Lm,
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| 124 | Lrsigma=Lrsigma,
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| 125 | Rr=Rr,
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| 126 | TrRef=TrRef,
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| 127 | TrOperational=TrOperational,
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| 128 | alpha20s=alpha20s,
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| 129 | alpha20r=alpha20r)
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| 130 | annotation (Placement(transformation(extent={{-10,-10},{10,10}})));
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| 131 | equation
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| 132 | connect(star.pin_n, ground.pin) annotation (Line(points={{-70,-20},{-70,-24},{
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| 133 | -70,-30}}, color={85,170,255}));
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| 134 | connect(star.plug_p, multiStar.starpoints)
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| 135 | annotation (Line(points={{-70,0},{-70,10}}, color={85,170,255}));
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| 136 | connect(multiStar.plug_p, voltageSource.plug_n) annotation (Line(points={{-70,30},
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| 137 | {-70,50},{-60,50}}, color={85,170,255}));
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| 138 | connect(star.plug_p, multiTerminalBox.starpoint) annotation (Line(points={{-70,0},
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| 139 | {-20,0},{-20,12},{-9,12}}, color={85,170,255}));
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| 140 | connect(currentSensor.plug_n, multiTerminalBox.plugSupply)
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| 141 | annotation (Line(points={{0,20},{0,20},{0,12}}, color={85,170,255}));
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| 142 | connect(voltageSource.plug_p, powerSensor.currentP)
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| 143 | annotation (Line(points={{-40,50},{-30,50}}, color={85,170,255}));
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| 144 | connect(powerSensor.currentP, powerSensor.voltageP)
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| 145 | annotation (Line(points={{-30,50},{-30,60},{-20,60}}, color={85,170,255}));
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| 146 | connect(powerSensor.currentN, currentSensor.plug_p) annotation (Line(points={{-10,50},
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| 147 | {-6,50},{0,50},{0,40}}, color={85,170,255}));
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| 148 | connect(multiStar.plug_p, powerSensor.voltageN) annotation (Line(points={{-70,
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| 149 | 30},{-40,30},{-20,30},{-20,40}}, color={85,170,255}));
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| 150 | connect(multiSensor.flange_b, torque.flange)
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| 151 | annotation (Line(points={{40,0},{45,0},{50,0}}, color={0,0,0}));
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| 152 | connect(feedback.y, integrator.u)
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| 153 | annotation (Line(points={{39,-40},{48,-40}}, color={0,0,127}));
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| 154 | connect(integrator.y, torque.tau) annotation (Line(points={{71,-40},{80,-40},{
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| 155 | 80,0},{72,0}}, color={0,0,127}));
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| 156 | connect(multiSensor.power, feedback.u2) annotation (Line(points={{24,-11},{24,
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| 157 | -20},{30,-20},{30,-32}}, color={0,0,127}));
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| 158 | connect(ramp.y, feedback.u1)
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| 159 | annotation (Line(points={{11,-40},{22,-40}}, color={0,0,127}));
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| 160 | connect(multiTerminalBox.plug_sn, imc.plug_sn)
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| 161 | annotation (Line(points={{-6,10},{-6,10}}, color={85,170,255}));
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| 162 | connect(multiTerminalBox.plug_sp, imc.plug_sp)
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| 163 | annotation (Line(points={{6,10},{6,10}}, color={85,170,255}));
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| 164 | connect(imc.flange, multiSensor.flange_a)
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| 165 | annotation (Line(points={{10,0},{16,0},{20,0}}, color={0,0,0}));
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| 166 | annotation (Documentation(info="<html>
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| 167 | </html>"), Diagram(coordinateSystem(preserveAspectRatio=false, extent={{-100,-100},
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| 168 | {100,100}})),
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| 169 | experiment(
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| 170 | StopTime=10,
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| 171 | Interval=0.001,
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| 172 | Tolerance=1e-005,
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| 173 | __Dymola_Algorithm="Dassl"));
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| 174 | end NominalOperation;
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| 175 |
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| 176 | function efficiency
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| 177 | extends Modelica.Icons.Function;
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| 178 | import Modelica.Constants.eps;
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| 179 | input Modelica.SIunits.Power Pel;
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| 180 | input Modelica.SIunits.Power Pm;
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| 181 | output Real eta;
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| 182 | algorithm
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| 183 | eta :=if noEvent(Pm > eps) then Pm/Pel else if noEvent(Pel < -eps) then Pel/Pm else 0;
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| 184 | annotation(Inline=true);
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| 185 | end efficiency;
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| 186 | annotation (uses(Modelica(version="3.2.2")));
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| 187 | end IMCNominalOperation;
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