A Novel Fault Line Selection Method Based on Improved Oscillator System of Power Distribution Network

Autor: Xiangxiang Wei, Jie Gao, Hou Yaxiao, Xiaowei Wang
Rok vydání: 2014
Předmět:
Zdroj: Mathematical Problems in Engineering, Vol 2014 (2014)
ISSN: 1563-5147
1024-123X
DOI: 10.1155/2014/901810
Popis: A novel method of fault line selection based on IOS is presented. Firstly, the IOS is established by using math model, which adopted TZSC signal to replace built-in signal of duffing chaotic oscillator by selecting appropriate parameters. Then, each line’s TZSC decomposed by db10 wavelet packet to get CFB with the maximum energy principle, and CFB was solved by IOS. Finally, maximum chaotic distance and average chaotic distance on the phase trajectory are used to judge fault line. Simulation results show that the proposed method can accurately judge fault line and healthy line in strong noisy background. Besides, the nondetection zones of proposed method are elaborated.
Databáze: OpenAIRE