NDLI: Feed-forward transient current control for low-voltage ride-through enhancement of DFIG wind turbines

Content Provider	IEEE Xplore Digital Library
Author	Jiaqi Liang Wei Qiao Harley, R.
Copyright Year	2011
Description	Author affiliation: University of Nebraska-Lincoln (Wei Qiao) \|\| Georgia Institute of Technology (Jiaqi Liang; Harley, R.)
Abstract	High penetration of wind power requires reliable wind energy generation. A successful low-voltage ride-through (LVRT) scheme is a key requirement to achieve reliable and uninterrupted electrical power generation for wind turbines equipped with doubly fed induction generators (DFIGs). This paper proposes a feed-forward transient current control (FFTCC) scheme for the rotor side converter (RSC) of a DFIG to enhance its LVRT capability. This new control scheme introduces additional feed-forward transient compensations to a conventional current regulator. When three phase faults occur, these compensation terms correctly align the RSC ac-side output voltage with the transient-induced voltage, resulting in minimum transient rotor current and minimum occurrence of crowbar interruptions. With little additional computational effort, the proposed control scheme helps relieve the transient current stress on the RSC and helps maintain an uninterrupted active and reactive power supply from the wind turbines to the power grid. Simulation results are shown to demonstrate the effectiveness of the proposed FFTCC scheme in suppressing transient rotor currents.
Starting Page	1
Ending Page	1
File Size	440763
Page Count	1
File Format	PDF
ISBN	9781612847894
e-ISBN	9781612847887
e-ISBN	9781612847870
DOI	10.1109/PSCE.2011.5772460
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Current control Reactive power Regulators Rotors Power system stability Wind turbines Transient analysis
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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