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针对铁路10kV信号电源供电系统的特点,提出了一种基于小波变换的外加电压脉冲式行波测距法,就一些关键技术问题,提出了波速度折算算法和等效波速度法,分析了系统单相分支线路的影响,以及波速度确定等问题。文中以一条实际的铁路10kV信号电源供电系统为模型进行了仿真,仿真结果证明了所提方法的可行性。
Aiming at the characteristics of railway 10kV signal power supply system, an impressed voltage traveling wave method based on wavelet transform is proposed. For some key technical problems, a wave velocity conversion algorithm and equivalent wave velocity method are proposed. The system The impact of single-phase branch lines, and the determination of wave speed and other issues. In this paper, an actual railway 10kV signal power supply system is used as a model to simulate the simulation results show that the proposed method is feasible.