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Control of a Doubly Fed Induction Generator in a Wind Turbine During Grid Fault Ride-Through

Xiang, D; Ran, L; Tavner, PJ; Yang, S

Authors

D Xiang

L Ran

PJ Tavner

S Yang



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.

Citation

Xiang, D., Ran, L., Tavner, P., & 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. https://doi.org/10.1109/tec.2006.875783

Journal Article Type Article
Publication Date 2006-09
Journal IEEE Transactions on Energy Conversion
Print ISSN 0885-8969
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 21
Issue 3
Pages 652-662
DOI https://doi.org/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.

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