Frequency Regulation and Oscillation Damping Contributions of Variable-Speed Wind Generators in the U.S. Eastern Interconnection (EI)

Yong Liu, Joe R. Gracia, Thomas J. King, Yilu Liu

    Research output: Contribution to journalArticlepeer-review

    85 Scopus citations

    Abstract

    The U.S. Eastern Interconnection (EI) is one of the largest electric power grids in the world and is expected to have difficulties in dealing with frequency regulation and oscillation damping issues caused by the increasing wind power. On the other side, variable-speed wind generators can actively engage in frequency regulation or oscillation damping with supplementary control loops. This paper creates a 5% wind power penetration simulation scenario based on the 16 000-bus EI system dynamic model and developed the user-defined wind electrical control model in PSS®E that incorporates additional frequency regulation and oscillation damping control loops. The potential contributions of variable-speed wind generations to the EI system frequency regulation and oscillation damping are evaluated and simulation results demonstrate that current and future penetrations of wind power are promising in the EI system frequency regulation and oscillation damping.

    Original languageEnglish
    Article number6817582
    Pages (from-to)951-958
    Number of pages8
    JournalIEEE Transactions on Sustainable Energy
    Volume6
    Issue number3
    DOIs
    StatePublished - Jul 1 2015

    Keywords

    • Eastern Interconnection (EI)
    • frequency regulation
    • inter-area oscillation damping
    • variable-speed wind generators

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