文档介绍：电力系统及其自动化学报
Proceedings of the CSU-EPSA
ISSN 1003-8930,CN 12-1251/TM
定算法和不受行波波速影响的 T 域定位算法。利用 MRSVD 和 VMD 分解故障行波，根据峭度值和峭熵比筛选有效分量，然后通
过对称差分能量算子(Symmetrical differencing energy operator，SDEO)实现波头标定；最后利用行波到达时间筛选故障 T 域，实现故
障点的区段定位和精确测距。仿真结果表明，MRSVD-VMD 行波波头标定方法在不同噪声下能有效标定波头，T 域定位算法排除
波速影响，能实现多分支配电网故障的精确定位。
关键词：多分辨率奇异值分解；变分模态分解；对称差分能量算子；峭度值；峭熵比；行波定位
中图分类号：TM73 文献标志码：A
DOI：.csu-
Fault Location of Multi-branch Distribution Network Based on MRSVD-VMD
WU Jiaxiang, SUN Yunlian, CHEN Chuzhao
(School of Electrical Engineering and Automation, Wuhan University，Wuhan 430072，China）
Abstract：Aiming at the difficulty of head calibration of fault traveling wave with noise interference in distribution network, an adaptive
travelling wave head calibration algorithm based on multi-resolution singular value decomposition and variational mode decomposition
(MRSVD-VMD) was proposed. MRSVD and VM