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  • An Improved Droop Control Scheme for Islanded Microgrids

    Author(s)
    Azim, MI
    Hossain, MJ
    Rafi, FHM
    Pota, HR
    Griffith University Author(s)
    Hossain, Jahangir
    Rafi, Fida H.
    Azim, Mohammad
    Year published
    2015
    Metadata
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    Abstract
    This paper proposes an improved droop control algorithm to ensure the proportional load distribution among multiple parallel inverter-sourced generators in a microgrid, operating in an islanded mode. The improvement is done by including derivative term in the conventional droop control scheme so that the oscillatory modes of the controller can be damped and better dynamic performance is achieved. The proposed controller is a two steps decentralized tunable controller; in which control gains are scheduled via small-signal stability analysis of the microgrid study system, consisting of three inverter-interfaced distributed-generation ...
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    This paper proposes an improved droop control algorithm to ensure the proportional load distribution among multiple parallel inverter-sourced generators in a microgrid, operating in an islanded mode. The improvement is done by including derivative term in the conventional droop control scheme so that the oscillatory modes of the controller can be damped and better dynamic performance is achieved. The proposed controller is a two steps decentralized tunable controller; in which control gains are scheduled via small-signal stability analysis of the microgrid study system, consisting of three inverter-interfaced distributed-generation (DG) units and one static load. The performance of the proposed control method is verified by implementing it under diverse operating conditions and desired damped responses are obtained in all cases that can be seen from simulations.
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    Conference Title
    2015 5TH AUSTRALIAN CONTROL CONFERENCE (AUCC)
    Publisher URI
    http://ieeexplore.ieee.org/abstract/document/7361938/
    Subject
    Automation engineering
    Publication URI
    http://hdl.handle.net/10072/123497
    Collection
    • Conference outputs

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