ECN: DynFarm

ECN

DynFarm (Dynamic models for wind Farms)

DynFarm includes individual turbine models and models of the transformers, cables and power electronic converters. The models have been developed in Matlab-Simulink by ECN and TU Delft. 

DynFarm component models:

  • Dynamic models of wind farms
    • Turbine generators
    • Turbine converters
    • Turbine transformers
    • Wind farm cables
    • Wind farm converters
    • Wind farm transformers
    • Cable to shore
  • Including converter control
  • Including aero/mech dynamic model of turbines

 

Applications of DynFarm:

  • Design the wind turbine converter controller
  • Design the wind farm conveter controller (if present)
  • Demonstrate wind farm operation under normal conditions
    • Reactieve power control
    • Voltage control
    • Power limitation (e.g. delta control)
  • Calculate flicker emission
  • Calculate response to voltage dip (fault ride trough)
    • Symmetrical dips
    • Asymmetrical dips
  • Calculate response to frequency dip (frequency support)
Example of a DynFarm calculation: Variable speed wind farm with full converter induction generators
Example of a DynFarm calculation: Response to steps in reference torque
Example of a DynFarm calculation: Response to a voltage dip

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