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School of Engineering and Computing Sciences (ECS)

Profile

Publication details for Professor Peter Tavner

Xiang, D, Ran, L, Tavner, P J & Yang, S (2006). Control of a Doubly Fed Induction Generator in a Wind Turbine During Grid Fault Ride-Through. IEEE Transactions on Energy Conversion 21(3): 652-662.
  • Publication type: Journal papers: academic
  • ISSN/ISBN: 0885-8969
  • DOI: 10.1109/TEC.2006.875783
  • Keywords: Current control, Doubly fed induction generator (DFIG), Flux linkage, Grid fault, Power converter, Safe operating area (SOA), Wind energy.
  • View online: Online version
  • Durham research online: DRO record

Author(s) from Durham

Abstract

This paper analyzes the ability of a doubly fed induction generator (DFIG) in a wind turbine to ride through a grid fault and the limitations to its performance. The fundamental difficulty for the DFIG in ride-through is the electromotive force (EMF) induced in the machine rotor during the fault, which depends on the dc and negative sequence components in the stator-flux linkage and the rotor speed. The investigation develops a control method to increase the probability of successful grid fault ride-through, given the current and voltage capabilities of the rotor-side converter. A time-domain computer simulation model is developed and laboratory experiments are conducted to verify the model and a control method is proposed. Case studies are then performed on a representatively sized system to define the feasibility regions of successful ride-through for different types of grid faults.