Submission of a WECC DFIG wind turbine model to Spanish operation procedure 12.3

  • Francisco Jiménez-Buendía /
  • Raquel Villena-Ruiz /
  • Andrés Honrubia-Escribano /
  • ángel Molina-García /
  • Emilio Gómez-Lázaro
Journal ar
  • Volumen: 12
  • Número: 19
  • Fecha: 30 September 2019
  • ISSN: 19961073
  • Source Type: Journal
  • DOI: 10.3390/en12193749
  • Document Type: Article
  • Publisher: MDPI
© 2019 by the authors.Power systems are currently witnessing a high wind-power penetration due to the development and commissioning of an increasing number of wind-power plants. This new scenario inevitably changes the way power systems are operated, mainly due to the uncertainties associated with wind, with the proper integration of this renewable energy source into the grid emerging as a new challenge. Unlike other highly flexible energy sources that can be used on demand according to the market needs, wind energy production is intermittent and non-dispatchable. In this context, transient stability analyses through the dynamic simulation of wind-turbine models and wind-power plants must be carried out. Moreover, as many countries have their own grid codes, the compliance requirements to connect wind farms to the network may be significantly different, depending on the specific region. In light of the above, this paper addresses the submission to Spanish Operation Procedure 12.3 (PO 12.3), for the first time, of one of the most advanced wind-turbine models, the generic Type 3 or doubly fed induction generator defined by the Western Electricity Coordinating Council (WECC) Second-Generation guidelines. The results show, on the one hand, the notable effect of the transformer inrush current, which influences the accuracy of the behavior of the generic wind-turbine model, and, on the other hand, the inability of the generic model to represent the transient periods of actual wind turbines. However, when the validation criteria is applied at the low-voltage measurement point, the WECC model fully complies with Spanish grid code PO 12.3.

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