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Power system fault monitoring using wavelet transform

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3 Author(s)
Charfi, F. ; Ecole Nat. d'Ingenieurs de Sfax, Tunisia ; Haddad, K.A.L. ; Francois, B.

This paper describes a method of detection and identification of three-phase voltage-source inverter faults, feeding an induction machine. The detection mechanism is based on wavelet decomposition. Daubechies 4 wavelet was selected as the wavelet base to perform stator current analysis during transients. Wavelet components appear to be useful for detecting, localizing and classifying the source of fault.

Published in:

Power Electronics Specialists Conference, 2004. PESC 04. 2004 IEEE 35th Annual  (Volume:2 )

Date of Conference:

20-25 June 2004