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    An improved modeling and control approach for DFIG-based wind generation systems

    Access Status
    Fulltext not available
    Authors
    Mohseni, Mansour
    Islam, Syed
    Date
    2009
    Type
    Conference Paper
    
    Metadata
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    Citation
    Mohseni, M. and Islam, S. 2009. An improved modeling and control approach for DFIG-based wind generation systems, in Proceedings of the 19th Australasian Universities Power Engineering Conference (AUPEC), Sep 27-30 2009. Adelaide, Australia: IEEE.
    Source Title
    Proceedings of the Australasian Universities Power Engineering Conference (AUPEC) 2009
    Source Conference
    19th Australasian Universities Power Engineering Conference (AUPEC 2009)
    ISBN
    9781424451531
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/39425
    Collection
    • Curtin Research Publications
    Abstract

    A new modeling and control approach for DFIG-based wind generator is presented in this paper. To reduce the modeling complexity, the well-known “T-form” equivalent circuit of induction machine is replaced by the “G-form” circuit. Furthermore, the stator-voltage frame is used for the DFIG vector control, which avoids the need for accurate detection of the stator-flux vector position. A vector-based hysteresis current controller (VBHCC) is then utilized to regulate the current in the rotor side inverter (RSI). In contrast with synchronous PI current regulators, the proposed VBHCC exhibits very fast tracking behavior using a noncomplex control structure. It also considerably reduces the RSI switching frequency by systematic implementation of the zero voltage space vectors. Comprehensive simulation studies are carried out using MATLAB/SIMULINK to investigate the validity of the proposed modeling and control approach.

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