Differential protection of three-phase transformers using Wavelet Transforms

This paper proposes a novel formulation for differential protection of three-phase transformers using Wavelet Transforms (WTs). The new proposed methodology implements the WTs to extract predominant transient signals originated by transformer internal faults and captured from the current transformer...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Oliveira, M.O., Salim, R.H., Bretas, A.S.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Circuit faults Current transformers Differential protection Discrete wavelet transforms inrush current internal faults power transformer Power transformer insulation Power transformers Relays Wavelet transforms wavelets transform
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