NDLI: A study on the rotor side control of DFIG-based wind turbine during voltage sags without crowbar system

Content Provider	IEEE Xplore Digital Library
Author	Salles, M.B.C. Filho, A.J.S. Grilo, A.P.
Copyright Year	2012
Description	Author affiliation: Polytechnic School - POLI, University of São Paulo, USP - Brazil (Salles, M.B.C.) \|\| Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas, Universidade Federal do ABC - Brasil (Filho, A.J.S.; Grilo, A.P.)
Abstract	The connection of wind farms to the electrical power system has increased very fast in the last years requiring the ability of the wind turbines to assist network during voltage sags. Most of the modern wind turbines are based on doubly fed induction generator with a back-to-back power converter connecting the rotor windings to the grid. One limitation of doubly fed induction generator is the operation during grid faults. The rotor side converter can be damage by high currents induced by the stator windings. This article investigates the behavior of the wind farm during voltage sags using 2 different control strategies. The results have indicated that the strategy which the reference currents are calculated to compensate the stator flux variation during voltage sags can avoid overcurrents in the rotor windings, in some cases, without the use of a crowbar system.
Starting Page	1
Ending Page	6
File Size	369766
Page Count	6
File Format	PDF
ISBN	9781467323284
e-ISBN	9781467323307
e-ISBN	9781467323291
DOI	10.1109/ICRERA.2012.6477337
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-11
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault ride-through Voltage fluctuations Windings Rotors Stator windings Doubly fed induction generator Wind power generation Mathematical model Crowbar system Voltage control
Content Type	Text
Resource Type	Article

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