Condition monitoring artefacts for detecting winding faults in wind turbine DFIGs

Sinisa Durovic, S. Djurovic, S. Williamson, P. J. Tavner, W. Yang

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    Monitoring the condition of doubly-fed induction generators (DFIG) is growing in importance for Wind Turbines. This study presents the results of a comparison of DFIG steady state stator line current and instantaneous power when used as a means for generator condition monitoring, based on an examination of their frequency spectrum. For the purpose of this work, a detailed analytical model that makes it possible to simulate DFIG operation under a range of supply and winding balanced/unbalanced operating conditions, was developed. Additionally, a purpose-designed DFIG test rig was built to facilitate the experimental validation of model results. The faulty machine current and power spectra are compared using experimental and model results.
    Original languageEnglish
    Title of host publicationEuropean Wind Energy Conference and Exhibition 2009, EWEC 2009|Eur. Wind Energy Conf. Exhib., EWEC
    Pages491-512
    Number of pages21
    Volume1
    Publication statusPublished - 2009
    EventEuropean Wind Energy Conference and Exhibition 2009, EWEC 2009 - Marseille
    Duration: 1 Jul 2009 → …

    Conference

    ConferenceEuropean Wind Energy Conference and Exhibition 2009, EWEC 2009
    CityMarseille
    Period1/07/09 → …

    Keywords

    • Condition monitoring
    • Current
    • DFIG
    • Frequency spectrum
    • Instantaneous power
    • Wind Turbine

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