Research on the Electric Field Distribution of EMU Roof Insulators

ZHANG Shiyu; WANG Zijian; ZHAO Haibo; ZHOU Bo; GUO Yingqiang

doi:10.13296/j.1001-1609.hva.2015.12.026

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Research on the Electric Field Distribution of EMU Roof Insulators

更新时间：2025-04-26

- Research on the Electric Field Distribution of EMU Roof Insulators
- High VoltageApparatus Vol. 51, Issue 12, Pages: 149-154(2015)
- 作者机构：
  
  1. 长春轨道客车股份有限公司技术中心
  2. 北京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.2015.12.026
  CLC： U266
- Published：2015
- 稿件说明：
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[1]张士宇,王子建,赵海波,周博,郭英强.动车组车顶绝缘子电场分布特性研究[J].高压电器,2015,51(12):149-154.

ZHANG Shiyu, WANG Zijian, ZHAO Haibo, et al. Research on the Electric Field Distribution of EMU Roof Insulators[J]. High voltageapparatus, 2015, 51(12): 149-154.
[1]张士宇,王子建,赵海波,周博,郭英强.动车组车顶绝缘子电场分布特性研究[J].高压电器,2015,51(12):149-154. DOI： 10.13296/j.1001-1609.hva.2015.12.026.

ZHANG Shiyu, WANG Zijian, ZHAO Haibo, et al. Research on the Electric Field Distribution of EMU Roof Insulators[J]. High voltageapparatus, 2015, 51(12): 149-154. DOI： 10.13296/j.1001-1609.hva.2015.12.026.

摘要

动车组车顶绝缘子作为车顶的主要绝缘设备

其可靠性直接影响动车组的正常运行。文中基于ANSYS有限元软件分析了车顶绝缘子结构对其电场分布的影响

通过分析洁净状态下和水滴附着状态下绝缘子的电位和电场

得到伞裙结构对绝缘子电场分布特性的影响。结果表明

绝缘子顶部大小伞裙结构的不同配合方式会影响绝缘子的电场分布

尤其水滴附着状态下

绝缘子顶部采用大伞裙结构的会增加绝缘子电场强度

随着电场强度的增加

增加了绝缘子顶部发生局部放电的可能性。

Abstract

EMU Roof Insulators as the main insulation equipment

its reliability direct influence normal operation of EMU. The paper analysis the influence of roof insulators structure on insulators electric field distribution by ANSYS finite element method software

by analysis the insulators electric field distribution with clean mode and separated globules on insulators mode

get influence of insulators structure on insulators electric field distribution. The results indicates that the insulators top with small or big shed have different electric field distribution

particularly

on insulators with separated globules mode

electric field intensity of insulators top with big shed is increased

with the increase of electric field intensity

increase the possibility of partial discharge.

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