ObjectStab.Generators.Controllers

ObjectStab.Generators.Controllers.Governor

Parameters

Name	Default	Description
wref	Base.ws	Reference Angular Velocity [rad/s]
Pgref	1	Reference Electrical Power [p.u.]
Kgov	25	Governor Gain
THR	1
PROPH	0.3

Modelica definition

model Governor 
  extends Modelica.Blocks.Interfaces.SISO;
  parameter Base.AngularVelocity wref=Base.ws 
    "Reference Angular Velocity";
  parameter Base.ActivePower Pgref=1 "Reference Electrical Power";
  parameter Real Kgov=25 "Governor Gain";
  parameter Real THR=1;
  parameter Real PROPH=0.3;
  Modelica.Blocks.Math.Add Add1(k1=-1);
  Modelica.Blocks.Sources.Constant Constant1(k={wref});
  Modelica.Blocks.Math.Gain Gain1(k={Kgov/Base.ws});
  Modelica.Blocks.Math.Add Add2;
  Modelica.Blocks.Continuous.TransferFunction TransferFunction1(b={PROPH*
        THR,1}, a={THR,1});
  Modelica.Blocks.Sources.Constant Constant2(k={Pgref});
equation 
  connect(Constant2.outPort, Add2.inPort2);
  connect(Add2.inPort1, Gain1.outPort);
  connect(Add1.outPort, Gain1.inPort);
  connect(Constant1.outPort, Add1.inPort2);
  connect(Add1.inPort1, inPort);
  connect(TransferFunction1.inPort, Add2.outPort);
  connect(TransferFunction1.outPort, outPort);
end Governor;

ObjectStab.Generators.Controllers.Exciter

Parameters

Name	Default	Description
Vref	1	Voltage Reference after step [p.u.]
Vref2	1.0	Voltage Reference after step [p.u.]
StepTime	1.0	Time for voltage reference step [s]
Kavr	50	Voltage Regulator Gain
Tavr	0.05	Voltage Regulator Time Constant
Efmax	3.5	AVR Maximum Output [p.u.]
Efmin	-3.5	AVR Minimum Output [p.u.]

Modelica definition

model Exciter 
  extends Modelica.Blocks.Interfaces.SISO;
  parameter Base.VoltageAmplitude Vref=1 
    "Voltage Reference after step";
  parameter Base.VoltageAmplitude Vref2=1.0 
    "Voltage Reference after step";
  parameter Base.Time StepTime=1.0 "Time for voltage reference step"
    ;
  parameter Real Kavr=50 "Voltage Regulator Gain";
  parameter Real Tavr=0.05 "Voltage Regulator Time Constant";
  parameter Base.VoltageAmplitude Efmax=3.5 "AVR Maximum Output";
  parameter Base.VoltageAmplitude Efmin=-3.5 "AVR Minimum Output";
  
  Modelica.Blocks.Continuous.TransferFunction TransferFunction1(b={Kavr}, a
      ={Tavr,1});
  Modelica.Blocks.Nonlinear.Limiter Limiter1(uMax={Efmax}, uMin={Efmin});
  Modelica.Blocks.Math.Add Add1(k1=-1);
  Modelica.Blocks.Sources.Step Step1(
    height={Vref2 - Vref}, 
    offset={Vref}, 
    startTime={StepTime});
equation 
  connect(Limiter1.outPort, outPort);
  connect(Limiter1.inPort, TransferFunction1.outPort);
  connect(TransferFunction1.inPort, Add1.outPort);
  connect(inPort, Add1.inPort1);
  connect(Step1.outPort, Add1.inPort2);
end Exciter;

ObjectStab.Generators.Controllers.ConstPm

Parameters

Name	Default	Description
Pgref	1	Reference Electrical Power [p.u.]

Modelica definition

model ConstPm 
  extends Modelica.Blocks.Interfaces.SISO;
  parameter Base.ActivePower Pgref=1 "Reference Electrical Power";
  Modelica.Blocks.Sources.Constant Constant2(k={Pgref});
equation 
  connect(Constant2.outPort, outPort);
end ConstPm;

ObjectStab.Generators.Controllers.ConstEf

Parameters

Name	Default	Description
Ef	1	Field Voltage [p.u.]

Modelica definition

model ConstEf 
  extends Modelica.Blocks.Interfaces.SISO;
  parameter Base.VoltageAmplitude Ef=1 "Field Voltage";
  Modelica.Blocks.Sources.Constant Constant2(k={Ef});
equation 
  connect(Constant2.outPort, outPort);
end ConstEf;