2025年6月8日 周日
Home > Archive>Volume 36, Issue 6, 2021 >189-195. DOI:10.19781/j.issn.1673-9140.2021.06.023
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Fault location method for highvoltage cable shortcircuit based on electromagnetic time reversal
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    Abstract:

    In order to effectively locate shortcircuit faults in the highvoltage singlecore cable, this paper presents a new method based on the electromagnetic timereversal (EMTR) theory. As the fault location is the maximum energy point, this method monitors the sheath current at the grounding position of the highvoltage terminal and calculates the energy of each guessing fault location by the transfer function of the fault signal. A typical highvoltage cable structure is simulated and analyzed. The results show that the method can effectively locate the fault point, and the accuracy can be improved with the increase of the sampling rate. It is recommended of the above 10 MHz sampling rate in practical applications.

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柴鹏,周灏,张煜,史筱川,李爽,杨潇,周苗.基于护层电流时域反演信号的高压电缆短路故障定位方法[J].电力科学与技术学报英文版,2021,36(6):189-195. CHAI Peng, ZHOU Hao, ZHANG Yu, SHI Xiaochuan, LI Shuang, YANG Xiao, ZHOU Miao. Fault location method for highvoltage cable shortcircuit based on electromagnetic time reversal[J]. Journal of Electric Power Science and Technology,2021,36(6):189-195.

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  • Online: January 05,2022
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