OPLC Temperature Distribution and Optical Unit Transmission Loss Characteristics Analysis

XU Gang; XIE Peng-fei; GUO Kun-ya; ZHOU Gui-ping; ZHANG Tian-ting

doi:10.13756/j.gtxyj.2018.05.008

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OPLC Temperature Distribution and Optical Unit Transmission Loss Characteristics Analysis

- OPLC Temperature Distribution and Optical Unit Transmission Loss Characteristics Analysis
- Study on Optical communication Issue 5, Pages: 40-45(2018)
- 作者机构：
  
  1. 华北电力大学电气与电子工程学院
  2. 国网辽宁省电力有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2018.05.008
  CLC： TN818
- Published：2018，
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[1]许刚,解鹏飞,郭昆亚,周桂平,张田婷.OPLC温度分布及光单元传输损耗特性研究分析[J].光通信研究,2018(05):40-45.

XU Gang, XIE Peng-fei, GUO Kun-ya, et al. OPLC Temperature Distribution and Optical Unit Transmission Loss Characteristics Analysis. [J]. (5):40-45(2018)
[1]许刚,解鹏飞,郭昆亚,周桂平,张田婷.OPLC温度分布及光单元传输损耗特性研究分析[J].光通信研究,2018(05):40-45. DOI： 10.13756/j.gtxyj.2018.05.008.

XU Gang, XIE Peng-fei, GUO Kun-ya, et al. OPLC Temperature Distribution and Optical Unit Transmission Loss Characteristics Analysis. [J]. (5):40-45(2018) DOI： 10.13756/j.gtxyj.2018.05.008.

摘要

针对温度变化对光纤复合低压电缆（OPLC）传输性能的影响

综合考虑电缆温度场分布以及材料膨胀系数不同导致的应力差分布特性

建立了OPLC温度变化与传输损耗的数学模型。在此基础上

设计了基于电力场、光场、温度场和应力场等多物理场耦合的仿真模型

采用有限元分析方法

结合COMSOL Multiphysics仿真软件

分别模拟了OPLC在稳定运行状态和短路故障状态下的温度分布及光单元传输损耗特性。仿真结果表明

OPLC在稳定运行状态和短路故障状态下的温度分布及传输损耗与理论计算基本相符

由短路故障引起的光纤传输损耗呈平稳衰减趋势

在工程上可以忽略不计。

Abstract

In this paper

the mathematical model for Optical Fiber Composite Low-Voltage Cable（OPLC）temperature distribution and transmission loss is established considering the effect of temperature change on the transmission performance of OPLC.The model also considers the distribution characteristics of the temperature field of the cable and the difference in the stress expansion caused by different coefficients of expansion of the material.Based on the proposed model

a simulation model of physical field coupling including electric field

light field

temperature field and stress field is designed.Using finite element numerical analysis method and COMSOL Multiphysics simulation software

we analyze the temperature characteristics and light unit transmission loss characteristics of OPLC under steady state and short circuit fault conditions.The simulation results show that the temperature distribution and transmission loss of OPLC are basically consistent with the theoretical calculations in the stable operation state and short-circuit fault state.The optical fiber transmission loss caused by the short-circuit fault shows a steady attenuation trend

which can be neglected in the engineering.

关键词

光纤复合低压电缆有限元法短路故障状态传输损耗

Keywords

OPLCfinite element methodshort circuit fault conditiontransmission loss

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Related Institution

Accelink Technologies Co., Ltd.

Institute of Physicals and Electronic Engineering, Harbin Normal University

Shanghai Electric Cable Research Institute Co., Ltd.

School of Optoelectronic Engineering,Nanjing University of Posts and Telecommunications

School of Automation and Electrical Engineering,Lanzhou Jiaotong University

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