山东大学学报 (工学版) ›› 2022, Vol. 52 ›› Issue (5): 84-91.doi: 10.6040/j.issn.1672-3961.0.2021.507
• • 上一篇
区伟潮1,葛阳1,朱延廷1,高厚磊2,龚辉昶2*
OU Weichao1, GE Yang1, ZHU Yantin1, GAO Houlei2, GONG Huichang2*
摘要： 提出一种基于小波包变换和相关性分析的中压配电电缆潜伏性故障行波双端测距方法。利用小波包变换对电缆故障相信号进行处理,提取故障特征信号,确定故障行波到达电缆双端的准确时间。通过相关性分析确定故障行波到达双端时刻的时间差,结合一般情况下的高频行波波速及行波测距公式对故障进行定位,并通过仿真验证本研究所提潜伏性故障行波双端测距方法的有效性。
中图分类号:
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