modelSEXS

IEEE Automatic Voltage Regulator type SEXS (Simplified excitation system)

Information

The simplified excitation system SEXS (CIM name: ExcSEXS) is a simplified version of the IEEE AC4A excitation system, defined in the IEEE Std 421.5-2005 "IEEE Recommended Practice for Excitation System Models for Power System Stabilities" document in the chapter 6.4. 

Parameters

TypeNameDefaultDescription
Types.VoltageModulePuEMaxController maximum output in pu (user-selected base voltage)
Types.VoltageModulePuEMinController minimum output in pu (user-selected base voltage)
Types.PerUnitKController gain
Types.TimeTaFilter derivative time constant in s
Types.TimeTbFilter delay time constant in s
Types.TimeTeExciter time constant in s
Types.VoltageModulePuEfd0PuInitial voltage output in pu (base UNom)
Types.VoltageModulePuUs0PuInitial stator voltage in pu (base UNom)
Types.VoltageModulePuUsRef0PuUs0Pu + Efd0Pu/KInitial control voltage in pu (base UNom)

Connectors

TypeNameDefaultDescription
Modelica.Blocks.Interfaces.RealInputUpssPuPSS output voltage (base UNom)
Modelica.Blocks.Interfaces.RealInputUsPuStator voltage in pu (base UNom)
Modelica.Blocks.Interfaces.RealInputUsRefPuControl voltage in pu (base UNom)
Modelica.Blocks.Interfaces.RealOutputEfdPuVoltage output in pu (user-selected base voltage)

Components

TypeNameDefaultDescription
Dynawo.NonElectrical.Blocks.NonLinear.LimitedFirstOrderlimitedFirstOrder
Dynawo.NonElectrical.Blocks.Continuous.TransferFunctionleadLag
Modelica.Blocks.Math.Add3add3