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Recent years, double-ended techniques for PD location in MV cables emerged in large numbers. Nevertheless, great majority of the methods face the challenge of the time-synchronization between the two cable terminals because of the satellite invisibility and atmospheric condition problems in the global positioning system (GPS) receiver. Conventional methods adopt free running 1PPS to synchronize system...
Conventional Phase Difference method pinpoints the PD location by analysing the phase difference of the primary arriving signals at both terminals in power cable, however it lacks consideration of signal separation in noisy environment and fails to ensure location accuracy when defect is close to cable end. Based on the analysis of PD pulse propagation character in cable system presented in the first...
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