A study on the fault location algorithm on underground power cable system

In this paper, we are going to propose the new algorithms to detect, classify, discriminate the transient and the reflected signal from noise and thus discriminate the fault section and locate the fault accurately on underground power cable system. Actually, at this system, it´s very difficult to discriminate the transient because of the reflected signal including many noises. Therefore, how to solve the noise interference is a big problem. In this paper, authors present a solution based on multiple scales correlation of the transient using stationary wavelet transform. It´s simple, quick and straightforward. For applying all algorithms, we just use the signal captured in single end.