Frequency Stability Enhancement for Low Inertia Systems using Synthetic Inertia of Wind Power

Ha Thi Nguyen, Guangya Yang, Arne Hejde Nielsen, Peter Højgaard Jensen

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    Abstract

    High-level integration of renewable energy sources in power system leads to the displacement of conventional generators and consequently challenges in power system frequency stability are introduced. To mitigate the negative impact of significant wind power penetration in the grid on the frequency stability, this paper proposes supplementary control methods to implement synthetic inertia for doubly-fed induction generator (DFIG) based wind energy system during frequency excursions. Different control strategies and activation schemes are analyzed
    and implemented on the Western Danish renewable-based system using-real time digital simulator (RTDS) to propose the best one for the synthetic inertia controller. From the comparative simulation results, it can be concluded that the method using a combination of both the frequency deviation and derivative as input signals, and the under-frequency trigger provides the best dynamic response in term of the system frequency stability improvement.
    Original languageEnglish
    Title of host publicationProceedings of 2017 IEEE PES General Meeting
    Number of pages5
    PublisherIEEE
    Publication date2017
    ISBN (Print)9781538622124
    DOIs
    Publication statusPublished - 2017
    Event2017 IEEE Power and Energy Society General Meeting - Sheraton Grand Chicago Hotel, Chicago, United States
    Duration: 16 Jul 201720 Jul 2017
    https://www.ieee-pes.org/2017-pes-general-meeting-call-for-papers

    Conference

    Conference2017 IEEE Power and Energy Society General Meeting
    LocationSheraton Grand Chicago Hotel
    Country/TerritoryUnited States
    CityChicago
    Period16/07/201720/07/2017
    Internet address

    Keywords

    • Doubly-fed induction generator
    • Frequency stability
    • Low inertia systems
    • Synthetic inertia
    • Wind power

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