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    Design of self-tuning controllers for a two terminal HVDC link

    Access Status
    Fulltext not available
    Authors
    Pandey, R.
    Ghosh, Arindam
    Date
    2009
    Type
    Journal Article
    
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    Citation
    Pandey, R. and Ghosh, A. 2009. Design of self-tuning controllers for a two terminal HVDC link. Electrical Power and Energy Systems. 31: pp. 389-395.
    Source Title
    Electrical Power and Energy Systems
    ISSN
    01420615
    URI
    http://hdl.handle.net/20.500.11937/22248
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents the design of self-tuning controllers for a two terminal HVDC link. The controllers are designed utilizing a novel discrete-time converter model based on multirate sampling. The nature of converter firing system necessitates the development of a two-step ahead self-tuning control strategy. A two terminal HVDC system study has been carried out to show the effectiveness of the control strategies proposed which include the design of minimum variance controller, pole assigned controller and PLQG controller. The coordinated control of a two terminal HVDC system has been established deriving the signal from inverter end current and voltage which has been estimated based on the measurements of rectifier end quantities only realized through the robust reduced order observer. A well known scaled down sample system data has been selected for studies and the controllers designed have been tested for worst conditions. The performance of self-tuning controllers has been evaluated through digital simulation.

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