Analysis of time delay jitter of communication system on fault location of power line based on traveling wave method

Mingzhen LI; Jianming LIU; Hang WANG; Wenjun ZHOU

doi:10.11959/j.issn.1000-0801.2018132

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Analysis of time delay jitter of communication system on fault location of power line based on traveling wave method

Power information column | 更新时间：2024-06-05

- Analysis of time delay jitter of communication system on fault location of power line based on traveling wave method
- Telecommunications Science Vol. 34, Issue 3, Pages: 170-176(2018)
- 作者机构：
  
  1. 武汉大学电气工程学院，湖北武汉 430072
  2. 中国电机工程学会，北京 100761
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2018132
  CLC： TM73
- Published Online：2018-03，
  
  Published：20 March 2018
- 稿件说明：
移动端阅览
Mingzhen LI, Jianming LIU, Hang WANG, et al. Analysis of time delay jitter of communication system on fault location of power line based on traveling wave method[J]. Telecommunications science, 2018, 34(3): 170-176.
DOI：

Mingzhen LI, Jianming LIU, Hang WANG, et al. Analysis of time delay jitter of communication system on fault location of power line based on traveling wave method[J]. Telecommunications science, 2018, 34(3): 170-176. DOI： 10.11959/j.issn.1000-0801.2018132.

摘要

为研究通信系统时延抖动对基于行波法的电力线路故障定位影响，提出了一种基于泊松分布的随机时延抖动计算模型，分析了单节点和多节点情况下的通信网络随机时延抖动特性，结果表明，在单节点通信链路中，当标记数据流权重较低时，随机时延抖动随通信负荷的增大而增大，且通信负荷较轻时，标记数据流权重对随机时延抖动的影响不大。在多节点通信链路中，整体时延抖动低于各节点时延抖动的代数和，且负荷较重的节点位置对整体时延抖动有影响。因通信时延抖动会对基于行波法的电力线路故障定位引起较大误差，在通信结构和定位方案设计时，应考虑随机时延抖动及其影响因素。

Abstract

In order to study the time delay jitter of communication system on fault location of power line

a mathematical model of the delay jitter based on Poisson distribution was presented.The characteristic of the random delay jitter for single and multiple node cases were analyzed.Results show the delay jitter is remarkable when the communication load is high

and is insensitive when the communication load is low in the single node case.The total delay jitter is lower than the sum of the jitter in the queues on a path

and the position of the heavy load node in the path has a large influence on the total path jitter.The delay jitter with its influencing factors should be taken into account to perform optimal network design.

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