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

Segundo-Ramirez, Juan, Medina, Aurelio, Ghosh, Arindam, & Ledwich, Gerard (2009) Stability analysis based on birfurcation theory of the DSTATCOM operating in current control mode. IEEEE Transactions on Power Delivery, 24(3), pp. 1670-1678.

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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 the operating 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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1 citations in Web of Science®

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ID Code: 37491
Item Type: Journal Article
Keywords: Distribution Static Compensator (DSTATCOM), Floquet Multiplier, Neimark Bifurcation, Point of Common Coupling (PCC), Stability Regions
DOI: 10.1109/TPWRD.2009.2016817
ISSN: 0885-8977
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Deposited On: 05 Oct 2010 13:46
Last Modified: 01 Mar 2012 00:02

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