modelGeneratorTransformer

Two winding transformer with a fixed ratio
Diagram of GeneratorTransformer

Extends from Dynawo.Electrical.Controls.Basics.SwitchOff.SwitchOffTransformer (Switch-off signal for a transformer), BaseClasses.TransformerParameters (Classical transformer parameters), AdditionalIcons.Transformer.

Information

The transformer has the following equivalent circuit and conventions:


               I1  r                I2
    U1,P1,Q1 -->---oo----R+jX-------<-- U2,P2,Q2 ------- Generator
  (terminal1)                   |      (terminal2)
                               G+jB
                                |
                               ---

This model enables to initialize a generator model when the load-flow inputs are not known at the generator terminal but at the generator transformer terminal.

Parameters

TypeNameDefaultDescription
IntegerNbSwitchOffSignals (from SwitchOffLogic)Number of switch-off signals to take into account in inputs
BooleanSwitchOffSignal10 (from SwitchOffLogic)falseInitial switch-off signal 1
BooleanSwitchOffSignal20 (from SwitchOffLogic)falseInitial switch-off signal 2
BooleanSwitchOffSignal30 (from SwitchOffLogic)falseInitial switch-off signal 3
BooleanRunning0 (from SwitchOffLogic)if NbSwitchOffSignals >= 3 then not (SwitchOffSignal10 or SwitchOffSignal20 or SwitchOffSignal30) elseif NbSwitchOffSignals >= 2 then not (SwitchOffSignal10 or SwitchOffSignal20) else not SwitchOffSignal10Indicates if the component is initially running or not
Constants.stateState0 (from SwitchOffTransformer)Constants.state.ClosedStart value of connection state
Types.PerUnitRPu (from TransformerParameters)Resistance of the generator transformer in pu (base U2Nom, SnRef)
Types.PerUnitXPu (from TransformerParameters)Reactance of the generator transformer in pu (base U2Nom, SnRef)
Types.PerUnitGPu (from TransformerParameters)Conductance of the generator transformer in pu (base U2Nom, SnRef)
Types.PerUnitBPu (from TransformerParameters)Susceptance of the generator transformer in pu (base U2Nom, SnRef)
Types.ComplexImpedancePuZPu (from TransformerParameters)Complex(RPu, XPu)Impedance in pu (base U2Nom, SnRef)
Types.ComplexAdmittancePuYPu (from TransformerParameters)Complex(GPu, BPu)Admittance in pu (base U2Nom, SnRef)
Types.PerUnitrTfoPuTransformation ratio in pu: U2/U1 in no load conditions
Types.ActivePowerPuP10PuStart value of active power at terminal 1 in pu (base SnRef) (receptor convention)
Types.ReactivePowerPuQ10PuStart value of reactive power at terminal 1 in pu (base SnRef) (receptor convention)
Types.VoltageModulePuU10PuStart value of voltage amplitude at terminal 1 in pu (base U1Nom)
Types.ActivePowerPuP20PuStart value of active power at terminal 2 in pu (base SnRef) (receptor convention)
Types.ReactivePowerPuQ20PuStart value of reactive power at terminal 2 in pu (base SnRef) (receptor convention)
Types.VoltageModulePuU20PuStart value of voltage amplitude at terminal 2 in pu (base U2Nom)
Types.ComplexVoltagePuu10PuStart value of complex voltage at terminal 1 (base U1Nom)
Types.ComplexCurrentPui10PuStart value of complex current at terminal 1 (base U1Nom, SnRef) (receptor convention)
Types.ComplexVoltagePuu20PuStart value of complex voltage at terminal 2 (base U2Nom)
Types.ComplexCurrentPui20PuStart value of complex current at terminal 2 (base U2Nom, SnRef) (receptor convention)

Connectors

TypeNameDefaultDescription
Dynawo.Connectors.BPinswitchOffSignal1 (from SwitchOffLogic)Switch-off signal 1
Dynawo.Connectors.BPinswitchOffSignal2 (from SwitchOffLogic)Switch-off signal 2
Dynawo.Connectors.BPinswitchOffSignal3 (from SwitchOffLogic)Switch-off signal 3
Dynawo.Connectors.BPinrunning (from SwitchOffLogic)Indicates if the component is running or not
Dynawo.Connectors.ACPowerterminal1
Dynawo.Connectors.ACPowerterminal2

Components

TypeNameDefaultDescription
Constants.statestate (from SwitchOffTransformer)Transformer connection state
Types.ActivePowerPuP1PuActive power on side 1 in pu (base SnRef) (receptor convention)
Types.ReactivePowerPuQ1PuReactive power on side 1 in pu (base SnRef) (receptor convention)
Types.ActivePowerPuP1GenPuActive power on side 1 in pu (base SnRef) (generator convention)
Types.ReactivePowerPuQ1GenPuReactive power on side 1 in pu (base SnRef) (generator convention)
Types.VoltageModulePuU1PuVoltage on side 1 in pu (base U1Nom)
Types.ActivePowerPuP2PuActive power on side 2 in pu (base SnRef) (receptor convention)
Types.ReactivePowerPuQ2PuReactive power on side 2 in pu (base SnRef) (receptor convention)
Types.VoltageModulePuU2PuVoltage on side 2 in pu (base U2Nom)