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    Stability analysis based on bifurcation theory of the DSTATCOM operating in current control mode

    Access Status
    Fulltext not available
    Authors
    Segundo-Ramírez, J.
    Medina, A.
    Ghosh, Arindam
    Ledwich, G.
    Date
    2009
    Type
    Journal Article
    
    Metadata
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    Citation
    Segundo-Ramírez, J. and Medina, A. and Ghosh, A. and Ledwich, G. 2009. Stability analysis based on bifurcation theory of the DSTATCOM operating in current control mode. IEEE Transactions on Power Delivery. 24 (3): pp. 1670-1678.
    Source Title
    IEEE Transactions on Power Delivery
    ISSN
    08858977
    URI
    http://hdl.handle.net/20.500.11937/15603
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents the stability analysis for a distribution static compensator (DSTATCOM) that operates in current control mode based on bifurcation theory. Bifurcations delimit theoperating zones of nonlinear circuits and, hence, the capability to compute these bifurcations is of important interest for practical design. A control design for the DSTATCOM is proposed. Along with this control, a suitable mathematical representation of the DSTATCOM is proposed to carry out the bifurcation analysis efficiently. The stability regions in the Thevenin equivalent plane are computed for different power factors at the point of common coupling.In addition, the stability regions in the control gain space, as well as the contour lines for different Floquet multipliers are computed. It is demonstrated through bifurcation analysis that the loss of stability in the DSTATCOM is due to the emergence of a Neimark bifurcation. The observations are verified through simulation studies.

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