  This paper exploits the multiresolution analysis in the fault analysis on
transmission lines. Faults were simulated using the ATP (Alternative Transient
Program), considering signals at 128/cycle. A nonorthogonal multiresolution
analysis was provided by Gegenbauer scaling and wavelet filters. In the cases
where the signal reconstruction is not required, orthogonality may be
immaterial. Gegenbauer filter banks are thereby offered in this paper as a tool
for analyzing fault signals on transmission lines. Results are compared to
those ones derived from a 4-coefficient Daubechies filter. The main advantages
in favor of Gegenbauer filters are their smaller computational effort and their
constant group delay, as they are symmetric filters.
