Travelling Wave Based Fault Location Analysis for Transmission Lines
1 UPorto, Faculdade de Engenharia, Rua Dr. Roberto Frias, s/n 4200-465, Porto, Portugal
2 LNEG, Estrada da Portela, Bairro do Zambujal Ap.7586, 2720–866, Amadora, Portugal
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This paper presents a review of the state of the art for fault location methods in transmission lines based on travelling waves. The motivations that led to these methods are explained historically. Also, a critical analysis, showing the advantages and disadvantages of each of them and their most common applications, is performed. Finally, a comparative analysis between two of the most widely used methods is carried out using real faults, in order to show the results’ sensitivity to changes in the line parameters.
© Owned by the authors, published by EDP Sciences, 2012