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28 March 2023 The method of grounding fault location of distribution line based on transient signal
Lanjiang Wu, Liyuan He, Chuanwei Zhou
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Proceedings Volume 12566, Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022); 1256624 (2023) https://doi.org/10.1117/12.2667922
Event: Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022), 2022, Chongqing, China
Abstract
With the rapid development of distribution lines, which is also accompanied by many problems, the most common is the problem of the ground fault. When a ground fault occurs, it will greatly affect the normal operation of the distribution line. At present, the existing grounding fault location methods for distribution lines have a large amount of calculation, which leads to a large relative error of the location results in practical applications and cannot meet the actual needs. Based on this, this paper proposes a method of grounding fault location for distribution lines based on transient signals. The Kaernbauer transform matrix is used to decouple the three-phase lines of distribution lines, and the real wavelet transform is used to extract the amplitude information of transient signals. The fault location is estimated by using the extracted amplitude information. The experiment proves that the relative error of the design method for grounding fault location is less than that of the traditional method, which provides strong theoretical support for grounding fault location of distribution lines.
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Lanjiang Wu, Liyuan He, and Chuanwei Zhou "The method of grounding fault location of distribution line based on transient signal", Proc. SPIE 12566, Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022), 1256624 (28 March 2023); https://doi.org/10.1117/12.2667922
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KEYWORDS
Signal attenuation
Automation
Control systems
Design and modelling
Inductance
Wave propagation
Wavelet transforms
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