Identifying and Ranking Sources of SSR Based on the Concept of Subsynchronous Power

Bo Gao, Yang Wang, Wilsun Xu, Guangya Yang

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    Abstract

    This paper presents a measurement-based method for real-time determination of the wind farms or wind turbines that contribute most significantly to a subsynchronous resonance (SSR) event. The method is based on the concept of subsynchronous power (SSP). This paper has shown it is the SSP that drives the SSR. By monitoring the direction and amount of SSPs produced by different wind farms or turbines, the most critical wind farms or turbines can be identified and quantified. A dq0 transform based algorithm is developed to calculate the SSP in real time. The method overcomes the interference of fundamental frequency components and non-steady-state SSR components on the extraction of the SSP component. Several test cases have demonstrated the usefulness of the proposed concept and method.
    Original languageEnglish
    JournalIEEE Transactions on Power Delivery
    Volume35
    Issue number1
    Pages (from-to)258 - 268
    ISSN0885-8977
    DOIs
    Publication statusPublished - 2020

    Keywords

    • Wind farm
    • Subsynchronous power
    • Subsynchronous resonance (SSR)
    • SSR source detection

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