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Robust Power-Electronic-Converter Fault Detection and Isolation Technique for DFIG Wind Turbines

Book Contribution - Book Chapter Conference Contribution

This paper proposes a robust fault detection and isolation (FDI) technique for the power electronic converter (PEC) of doubly-fed induction generator (DFIG) wind turbines (WTs), and in particular for open-circuit faults herein. It combines fault indicators based on the processing of the Clarke transformation of the converter currents and a statistical change detection algorithm, namely a cumulative sum (CUSUM) algorithm that detects significant changes in the variance of the reactive power. This allows for a reduction of the false alarm rate compared to an approach relying exclusively on the current analysis. The proposed FDI technique is validated by means of both simulation and experimental results.
Book: Robust Power-Electronic-Converter Fault Detection and Isolation Technique for DFIG Wind Turbines
Edition: 3
Volume: 1037
Number of pages: 12
Publication year:2018
Authors:International
Accessibility:Open