电力系统保护与控制2017，Vol.45Issue(3)：20-25,6.DOI:10.7667/PSPC152028
一种基于Hilbert-Huang变换的电力电缆故障测距方法
A power cable fault location method based on Hilbert-Huang transform
摘要
Abstract
To improve the sensitivity and accuracy of power cable fault location,a power cable fault location method based on Hilbert-Huang transform is proposed.For the problem of the singularity of the transient traveling wave signal is not clear when power fault happens,HHT can carry out adaptive time-frequency analysis to signal without choosing a basis function,and the empirical mode decomposition (EMD) method can be applied to unique decompose of the signal.EMD can maintain the good quality of the time and frequency characteristics of signal,meanwhile getting the time frequency and energy relationship of signal,which is good for extracting the singularity of signal.The fault location is simulated by different methods.The simulation results show the advantages of the HHT fault location method.关键词
故障测距/Hilbert-Huang变换/奇异性/经验模态分解/时频Key words
fault location/Hilbert-Huang transform/singularity/empirical mode decomposition/time frequency引用本文复制引用
廖晓辉,赵肖健,梁恒娜..一种基于Hilbert-Huang变换的电力电缆故障测距方法[J].电力系统保护与控制,2017,45(3):20-25,6.基金项目
This work is supported by International Science and Technology Collaboration Program of Henan Science and Technology Department (No.152102410009)河南省科技厅国际科技合作项目(152102410009) （No.152102410009）
