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  • Robust Nonlinear Excitation Controller Design for Multimachine Power Systems

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    Author(s)
    Mahmud, MA
    Hossain, MJ
    Pota, HR
    Roy, NK
    Griffith University Author(s)
    Hossain, Jahangir
    Year published
    2014
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    Abstract
    This paper presents a robust nonlinear excitation controller design for synchronous generators in a multimachine power system to enhance the transient stability. The mismatches between the original power system model and formulated mathematical model are considered as uncertainties and modeled through the satisfaction of matching conditions. To design the controller, the partial feedback linearization is used which transforms the original multimachine power system model into several reduced-order linear subsystems and autonomous subsystems. The control law can be obtained for each subsystem and the proposed scheme can be ...
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    This paper presents a robust nonlinear excitation controller design for synchronous generators in a multimachine power system to enhance the transient stability. The mismatches between the original power system model and formulated mathematical model are considered as uncertainties and modeled through the satisfaction of matching conditions. To design the controller, the partial feedback linearization is used which transforms the original multimachine power system model into several reduced-order linear subsystems and autonomous subsystems. The control law can be obtained for each subsystem and the proposed scheme can be implemented in a decentralized manner provided that the dynamics of the autonomous subsystem are stable. Finally, the performance of the proposed control scheme is evaluated on a 3 machine 11 bus power system following a large disturbance. The results are then compared with those obtained from a partial feedback linearizing controller with no robustness properties.
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    Conference Title
    IEEE Power and Energy Society General Meeting
    Volume
    2014-October
    Issue
    October
    Publisher URI
    http://www.pes-gm.org/2014/
    DOI
    https://doi.org/10.1109/PESGM.2014.6938800
    Copyright Statement
    © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subject
    Power and Energy Systems Engineering (excl. Renewable Power)
    Publication URI
    http://hdl.handle.net/10072/68000
    Collection
    • Conference outputs

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