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Two-leg three-phase inverter control for STATCOM and SSSC applications

Griffo, A. and Lauria, D. (2008) Two-leg three-phase inverter control for STATCOM and SSSC applications. IEEE Transactions on Power Delivery, 23 (1). pp. 361-370. ISSN 0885-8977


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Flexible ac transmission systems (FACTS) devices are attracting an increasing interest both in power system academic research and in electric utilities for their capabilities to improve steady-state performance as well as system stability. Several converter topologies for FACTS applications have been proposed in the recent literature, even if those based upon voltage source inverters (VSI) seem to be more attractive due to their intrinsic capability to rapidly respond to network changes such as perturbations subsequent to a fault and their property of being immune to resonance problem. In this paper, a new topology for inverter-based FACTS is proposed. This configuration, employing a two-leg three-phase inverter is employed for both series and parallel-connected reactive power compensators. The converter utilizes a modular topology for allowing a satisfaction of electronic components rating. A control strategy based on variable structure control technique with sliding mode is employed to track appropriate reference quantities. Design and control, as well as good tracking performances, are also verified through numerical simulations.

Item Type: Article
Copyright, Publisher and Additional Information: © Copyright 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
Depositing User: Sherpa Assistant
Date Deposited: 08 Feb 2008 10:45
Last Modified: 08 Feb 2013 16:55
Published Version: http://dx.doi.org/10.1109/TPWRD.2007.911132
Status: Published
Publisher: IEEE
Refereed: Yes
Identification Number: 10.1109/TPWRD.2007.911132
URI: http://eprints.whiterose.ac.uk/id/eprint/3620

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