Analysis of Current Carrying Capacity on Vacuum Insulated Switchgear

WANG Ning1; GUAN Yong-gang1; QIAN Jia-li1; Xavier Godechot2

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Analysis of Current Carrying Capacity on Vacuum Insulated Switchgear

更新时间：2025-04-26

- Analysis of Current Carrying Capacity on Vacuum Insulated Switchgear
- High VoltageApparatus Issue 2, Pages: 88-91(2007)
- 作者机构：
  
  1. 清华大学电机工程及应用电子技术系
  2. AREVA T&D 1340 rue de Pinville, Montpellier Cedex2,France,34965
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM59
- Published：2007
- 稿件说明：
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[1]王宁,关永刚,钱家骊,Xavier Godechot.高压真空绝缘组合电器载流量的分析[J].高压电器,2007(02):88-91.

WANG Ning1, GUAN Yong-gang1, QIAN Jia-li1, et al. Analysis of Current Carrying Capacity on Vacuum Insulated Switchgear[J]. High voltageapparatus, 2007, (2): 88-91.
[1]王宁,关永刚,钱家骊,Xavier Godechot.高压真空绝缘组合电器载流量的分析[J].高压电器,2007(02):88-91. DOI：

WANG Ning1, GUAN Yong-gang1, QIAN Jia-li1, et al. Analysis of Current Carrying Capacity on Vacuum Insulated Switchgear[J]. High voltageapparatus, 2007, (2): 88-91. DOI：

摘要

真空绝缘组合电器（VIS）是应用真空代替SF6作为绝缘介质的一种新型电器设备。从技术上论证其可行性需要考虑绝缘、真空系统维持和载流量3方面的内容。为了分析其载流量

建立了VIS的简化热模型。该模型综合考虑了热辐射、热传导和材料物理性能随温度变化的特点

并利用有限元软件ANSYS对简化热模型进行了长期发热计算。根据计算结果对影响载流量的各种因素进行了分析

并对40.5 kVVIS提出了载流量可用范围和设计建议。

Abstract

Vacuum insulated switchgear（VIS） is a new kind of power equipment which uses vacuum as insulated medium instead of SF6.The insulation performance

the maintainability of vacuum system and current carrying capacity are needed to technically investigate.To analyze the current carrying capacity of VIS

a thermal model has been built based on considering characteristics-thermal radiation and temperature-dependent properties of material-of vacuum insulation.The long-term heat calculation of the thermal model has been done by using finite element analysis software-ANSYS.The analysis concerning several factors’ effect on current carrying capacity is given.Moreover

the feasible range of current carrying capacity and some design advices of 40.5 VIS are also given.

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