Research on Fault Location of Distribution Network Based on MRSVD
Qiwu Zou, Liangpeng Ye, Xinlin Xie, Yuchu Huang, Xiaoling Zhang, Haoquan Li, Yunlian Sun · 2019
Based on the existing fault location of distribution network, a novel traveling wave head detection method based on MRSVD decomposition and symmetric difference energy operator is proposed in this paper. Multi-resolution singular value decomposition (MRSVD) is a method that combines matrix binary recursive structure principle and singular value decomposition method. In this paper, the original signal is separated from the high frequency detail components by MRSVD method, and then the energy of teager is calculated to obtain the precise traveling wave arrival time. Then, a multi-terminal traveling wave fault location scheme is proposed, and the fault location is obtained by layer by layer calculation. Finally, the accuracy of the algorithm is verified by MATLAB simulation. Experiments on setting different fault parameters show that the method has good accuracy and practicability.