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  • Robust control strategy for PV system integration in distribution systems

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    80252_1.pdf (348.8Kb)
    Author(s)
    Hossain, MJ
    Saha, TK
    Mithulananthan, N
    Pota, HR
    Griffith University Author(s)
    Hossain, Jahangir
    Year published
    2012
    Metadata
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    Abstract
    This paper proposes a decentralized control strategy for higher penetration of photovoltaic (PV) units without violating system operating constraints. A systematic procedure is developed and a robust controller is designed to ensure both dynamic voltage and transient stability for a specific PV integration level. The change in the model due to the volatile nature of PV generations is considered as an uncertain term in the design algorithm. Simultaneous output-feedback linear quadratic controllers are designed for PV generators. This designed control scheme is robust with respect to intermittency and enhances the integration ...
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    This paper proposes a decentralized control strategy for higher penetration of photovoltaic (PV) units without violating system operating constraints. A systematic procedure is developed and a robust controller is designed to ensure both dynamic voltage and transient stability for a specific PV integration level. The change in the model due to the volatile nature of PV generations is considered as an uncertain term in the design algorithm. Simultaneous output-feedback linear quadratic controllers are designed for PV generators. This designed control scheme is robust with respect to intermittency and enhances the integration level in a sub-transmission and distributed system. The effectiveness of the proposed controller is verified on a 43-bus industrial meshed distribution system under large disturbances. It is found that the designed control scheme enhances stability and increases the renewable integration levels.
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    Journal Title
    Applied Energy
    Volume
    99
    DOI
    https://doi.org/10.1016/j.apenergy.2012.05.027
    Copyright Statement
    © 2012 Elsevier. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Engineering
    Electrical energy generation (incl. renewables, excl. photovoltaics)
    Economics
    Publication URI
    http://hdl.handle.net/10072/48400
    Collection
    • Journal articles

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