Temperature Field Simulation of Pantograph-catenary Arc Based on MHD Model

HAO Changjin; YIN Xiaobing; GU Zhen; ZHU Guangya; GAO Bo; WU Guangning

doi:10.13296/j.1001-1609.hva.2016.07.019

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Temperature Field Simulation of Pantograph-catenary Arc Based on MHD Model

更新时间：2025-04-26

- Temperature Field Simulation of Pantograph-catenary Arc Based on MHD Model
- High VoltageApparatus Vol. 52, Issue 7, Pages: 123-129(2016)
- 作者机构：
  
  西南交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.07.019
  CLC： U264.34;U225
- Published：2016
- 稿件说明：
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[1]郝长金,尹小兵,古圳,朱光亚,高波,吴广宁.基于磁流体动力学模型的弓网电弧温度场仿真[J].高压电器,2016,52(07):123-129.

HAO Changjin, YIN Xiaobing, GU Zhen, et al. Temperature Field Simulation of Pantograph-catenary Arc Based on MHD Model[J]. High voltageapparatus, 2016, 52(7): 123-129.
[1]郝长金,尹小兵,古圳,朱光亚,高波,吴广宁.基于磁流体动力学模型的弓网电弧温度场仿真[J].高压电器,2016,52(07):123-129. DOI： 10.13296/j.1001-1609.hva.2016.07.019.

HAO Changjin, YIN Xiaobing, GU Zhen, et al. Temperature Field Simulation of Pantograph-catenary Arc Based on MHD Model[J]. High voltageapparatus, 2016, 52(7): 123-129. DOI： 10.13296/j.1001-1609.hva.2016.07.019.

摘要

笔者针对弓网电弧产生的瞬时高温严重烧蚀受电弓滑板和接触网导线的问题展开研究。以磁流体动力学（MHD）理论为基础

考虑电弧的基本物理特性及电磁效应、热效应和辐射效应

建立了静态弓网电弧二维磁流体动力学模型

仿真计算了电弧的温度场分布

得到了电弧弧柱和两电极内部的温度分布特性。仿真结果表明

弧柱中心区域温度最高

并逐渐向外衰减;滑板表面温度高于导线表面

两电极表面温度低于弧柱温度;受电弓滑板表面的温度随着滑板材料热导率的增大而降低;电弧区域、滑板和导线上的温度随电流的增加而增大

而两电极之间的电位差基本保持不变。

Abstract

When pantograph-catenary arc occurs

the transient high temperature will seriously erode the pantograph and catenary. Based on MHD theories

this paper takes into account the basic physical properties of arc

the electromagnetic effect

heating effect and radiation phenomena

and builds a geometry model of static pantograph-catenary arc to simulate the temperature field distribution.The results show that:the surface temperature of pantograph slider is higher than that of the catenary wire; the temperatures of the two electrodes are lower than that of the arc column; the temperatures of arc zone

slider and conductor increase with the increase of the electric current

while the voltage between two electrodes almostremains unchanged.

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