Travelling Waves for Finding the Fault Location in Transmission Lines

Transmission lines are designed to transfer electric power from source locations to distribution networks. This project investigates the problem of fault localization using traveling wave voltage and current signals obtained at a single end of a transmission line and multi ends of a transmission network. Fourier transform (FT) is the most popular transformation that can be applied to traveling wave signals to obtain their frequency components appearing in the fault signal. The wavelet multi resolution analysis is a new and powerful method of signal analysis and is well suited to traveling wave signals. Wavelets can provide multiple resolutions in both time and frequency domains.

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