Integration of electric vehicles for load frequency output feedback H8 control of smart grids

T.N. Pham, H. Trinh, L.V. Hien, Kitpo Wong

    Research output: Contribution to journalArticle

    19 Citations (Scopus)

    Abstract

    © The Institution of Engineering and Technology 2016.This study considers a novel application of electric vehicles (EVs) to quickly help reheated thermal turbine units to provide the stability fluctuated by load demands. A mathematical model of a power system with EVs is first derived. This model contains the dynamic interactions of EVs and multiple network-induced time delays. Then, a dynamic output feedback H8 controller for load frequency control of power systems with multiple time delays in the control input is proposed. To address the multiple time delays issue, a refined Jensen-based inequality, which encompasses the Jensen inequality, is used to derive less conservative synthesis conditions in terms of tractable linear matrix inequalities. A procedure is given to parameterise an output feedback controller to guarantee stability and H8 performance of the closed-loop system. Extensive simulations are conducted to validate the proposed control method.
    Original languageEnglish
    Pages (from-to)3341-3352
    JournalIET Generation, Transmission and Distribution
    Volume10
    Issue number13
    DOIs
    Publication statusPublished - 2016

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