电弧反射法电缆故障测距中的电弧建模与仿真

LI Feng

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电弧反射法电缆故障测距中的电弧建模与仿真

更新时间：2025-08-13

- 电弧反射法电缆故障测距中的电弧建模与仿真
- Automation of Electric Power Systems Vol. 38, Issue 11, Pages: 104-108(2014)
- 作者机构：
  
  合肥工业大学仪器科学与光电工程学院,安徽省,合肥市,230009
- 作者简介：
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- Published：2014
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LI Feng. [J]. Automation of electric power systems, 2014, 38(11): 104-108.
DOI：

LI Feng. [J]. Automation of electric power systems, 2014, 38(11): 104-108. DOI：

摘要

准确掌握电缆故障电弧电阻的动态特性对电弧反射法（ARM）电缆故障测距技术研究和设备研制至关重要。为此，在理论推导和大量实验的基础上分析了ARM故障测距时电缆故障电弧的特性，建立了可以模拟ARM方式下电缆故障的通用的Mayr电弧模型，对故障电弧电阻的变化规律进行仿真计算。实验结果表明，电弧电阻仿真计算的平均相对误差不大于12%，最大相对误差不大于29%，满足ARM测距仿真要求，说明了模型的正确性。

Abstract

Arc reflection method（ARM）is currently widely used power cable fault location method used.It is very important to understand the cable fault arc resistance dynamic characteristics for ARM technology and product development.The cable fault arc resistance characteristics during ARM testing were analyzed based on theoretical studies and experiments.A universal Mayr arc model is developed for cable fault arc simulation.This arc model can be used to calculate the instant arc resistance and simulate the change of cable fault arc during ARM testing.The experimental results show that the average relative error of arc resistance between the simulated results with the proposed arc model and actual measurement data is less than12%，and the maximal relative error is less than29%.The results meet the requirement of ARM cable fault location simulation.

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