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Control of a doubly fed induction generator in a wind turbine during grid fault ride-through.

Xiang, D. and Ran, L. and Tavner, P. J. and 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). pp. 652-662.

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.

Item Type:Article
Keywords:Current control, Doubly fed induction generator (DFIG), Flux linkage, Grid fault, Power converter, Safe operating area (SOA), Wind energy.
Full text:PDF - Published Version (559Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1109/TEC.2006.875783
Publisher statement:©2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Record Created:28 May 2008
Last Modified:09 Aug 2011 17:07

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