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    The Design of a Fuel-Cell-Based Power-Quality Control Center to Realize Unbundled Power-Quality Supply

    160616_160616.pdf (5.233Mb)
    Access Status
    Open access
    Authors
    Zhan, Y.
    Li, Y.
    Choi, S.
    Rajakaruna, Sumedha
    Vilathgamuwa, D.
    Date
    2006
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhan, Y.Q. and Li, Y.H. and Choi, S. and Rajakaruna, S. and Vilathgamuwa, D. Mahinda. 2006. The Design of a Fuel-Cell-Based Power-Quality Control Center to Realize Unbundled Power-Quality Supply. IEEE Transactions on Power Delivery. 21 (3): pp. 1421-1429.
    Source Title
    IEEE Transactions on Power Delivery
    ISSN
    08858977
    School
    Department of Electrical and Computer Engineering
    Remarks

    Copyright © 2006 IEEE This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright.

    URI
    http://hdl.handle.net/20.500.11937/10753
    Collection
    • Curtin Research Publications
    Abstract

    The application of a power-quality control center (PQCC) to provide an unbundled quality of electricity supply is examined. The center consists of back-to-back power converters, a dc bus and a solid-oxide fuel-cell distributed generator (SOFCDG). The purpose is to use the flexibility offered by the converters and SOFCDG to realize varied levels of ac supply quality to the loads. Through the concept of a feasible operating area of the SOFCDG, analysis shows that the ability of the PQCC to accommodate instantaneous power demand change is constrained. This is due to limits imposed on the fuel utilization factor of the SOFCDG. A feasible PQCC operating scheme is then proposed. It fully exploits the ability of the converters and the distributed generator to respond to external disturbances. In the event of a system voltage disturbance, the PQCC is to operate in one of two scenarios in accordance to the severity of the disturbance. Based on the dynamic model derived for the power network, a design procedure of the PQCC control system is also described. Simulation results show the efficacy of the proposed scheme.

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