*Article* **Fault-Ride Trough Validation of IEC 61400-27-1 Type 3 and Type 4 Models of Different Wind Turbine Manufacturers**

**Andrés Honrubia-Escribano 1,\*, Francisco Jiménez-Buendía 2, Jorge Luis Sosa-Avendaño 2, Pascal Gartmann 3, Sebastian Frahm 4, Jens Fortmann 5, Poul Ejnar Sørensen 6 and Emilio Gómez-Lázaro 1**


Received: 19 June 2019; Accepted: 2 August 2019; Published: 7 August 2019

**Abstract:** The participation of wind power in the energy mix of current power systems is progressively increasing, with variable-speed wind turbines being the leading technology in recent years. In this line, dynamic models of wind turbines able to emulate their response against grid disturbances, such as voltage dips, are required. To address this issue, the International Electronic Commission (IEC) 61400-27-1, published in 2015, defined four generic models of wind turbines for transient stability analysis. To achieve a widespread use of these generic wind turbine models, validations with field data are required. This paper performs the validation of three generic IEC 61400-27-1 variable-speed wind turbine model topologies (type 3A, type 3B and type 4A). The validation is implemented by comparing simulation results with voltage dip measurements performed on six different commercial wind turbines based on field campaigns conducted by three wind turbine manufacturers. Both IEC validation approaches, the play-back and the full system simulation, were implemented. The results show that the generic full-scale converter topology is accurately adjusted to the different real wind turbines and, hence, manufacturers are encouraged to the develop generic IEC models.

**Keywords:** DFIG; field testing; full-scale converter; generic model; IEC 61400-27-1; validation
