Research on an efficient method of cable breakpoint location

Yun Zheng; Rongrong Sun; Jiamin Liao; Li Chen

doi:10.1117/12.2671662

29 March 2023 Research on an efficient method of cable breakpoint location

Yun Zheng, Rongrong Sun, Jiamin Liao, Li Chen

Proceedings Volume 12594, Second International Conference on Electronic Information Engineering and Computer Communication (EIECC 2022); 125941G (2023) https://doi.org/10.1117/12.2671662
Event: Second International Conference on Electronic Information Engineering and Computer Communication (EIECC 2022), 2022, Xi'an, China

Abstract

With the rapid development of communication technology and electric power industry, cables have been widely used. The demand for cables in various industries has risen sharply, so a variety of cables have appeared in the market. After a large number of cables are used, cable break failures occur frequently. In addition, most cables are installed in the special environment of high altitude or underground. Without professional testing equipment, line maintenance personnel can hardly find the fault location. Based on this, an efficient cable breakpoint location method is proposed, and the modulus maximum detection algorithm based on wavelet transform is studied to realize the cable breakpoint location. The wavelet threshold de-noising technology is used to remove the noise in the transmission signal and reflection signal collected by the system. By comparing the results of different wavelet decomposition, the optimal wavelet basis function is selected, and the modulus maximum sequence of the wavelet coefficients obtained after wavelet decomposition is calculated, then the time difference between the transmission pulse and the reflection pulse can be detected, and the location of the cable breakpoint can be further determined. The existing cables in the laboratory are tested for many times, and the actual test results are analyzed, which can meet the technical requirements of cable breakpoint detection.

Citation Download Citation

Yun Zheng, Rongrong Sun, Jiamin Liao, and Li Chen "Research on an efficient method of cable breakpoint location", Proc. SPIE 12594, Second International Conference on Electronic Information Engineering and Computer Communication (EIECC 2022), 125941G (29 March 2023); https://doi.org/10.1117/12.2671662

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KEYWORDS

Wavelets

Reflection

Wavelet transforms

Signal processing

Denoising

Interference (communication)

Pulse signals

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