Optimization Design and Experimental Verification of Heat Dissipation for Gas Insulated Switchgear Cabinet

ZHENG Yi; ZHANG Keqian; ZHAO Jiakang; ZHANG Weiwei; HU Quandan; ZHAO Shusheng

doi:10.13296/j.1001-1609.hva.2026.07.012

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Optimization Design and Experimental Verification of Heat Dissipation for Gas Insulated Switchgear Cabinet

Research & Analysis | 更新时间：2026-07-06

- Optimization Design and Experimental Verification of Heat Dissipation for Gas Insulated Switchgear Cabinet
- High Voltage Apparatus Vol. 62, Issue 7, Pages: 122-128,137(2026)
- 作者机构：
  
  常州博瑞电力自动化设备有限公司，江苏常州 213025
  江苏省柔性电力装备重点实验室，江苏常州 213025
  南京南瑞继保电气有限公司，南京 211102
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.07.012
  CLC：
- Received：11 January 2026，
  
  Revised：2026-03-09，
  
  Published：16 July 2026
- 稿件说明：
移动端阅览
ZHENG Yi, ZHANG Keqian, ZHAO Jiakang, et al. Optimization Design and Experimental Verification of Heat Dissipation for Gas Insulated Switchgear Cabinet[J]. High Voltage Apparatus, 2026, 62(7): 122-128,137.
DOI：

ZHENG Yi, ZHANG Keqian, ZHAO Jiakang, et al. Optimization Design and Experimental Verification of Heat Dissipation for Gas Insulated Switchgear Cabinet[J]. High Voltage Apparatus, 2026, 62(7): 122-128,137. DOI： 10.13296/j.1001-1609.hva.2026.07.012.

摘要

为研究气体绝缘开关柜温升特性，合理指导散热优化设计，文中以干燥空气绝缘开关柜为研究对象，考虑所有影响损耗及散热的主要因素，通过实测载流回路的接触电阻，推算导体连接点的等效接触面积，构建详细的电接触模型，并基于有限元方法建立整体计算模型。采用多物理场耦合计算，分析了载流导体及气箱内气体的温度分布情况。结果表明，气体温度呈现上高下低，导体搭接部位尤其是可分、合接触点温升较高。通过优化开关触头模型及柜体散热特性，有效降低了触点及开关柜内的整体温升。最后依据优化模型设计样机进行温升试验，验证了计算方法的准确性，为气体绝缘开关柜温升优化设计提供参考依据。

Abstract

To study the temperature rise characteristics of the gas insulated switchgear cabinet and guide its heat dissipation optimization design

in this paper the dry-air insulated switchgear cabinet is taken as the object. By considering all dominant factors influencing power loss and heat dissipation

measuring the contact resistance of the current carrying circuit

calculating the equivalent contact area of conductor joints

and constructing a detailed electrical contact model

an overall computional model is set up based on the finite element method. The multi-physical field coupling calcualtion is adopted to analyze the temperature distribution of the current-carrying conductor and air inside the compartment. The results show that the air temperature shows the trend of high on top and low on bottom. The temperature rise of conductor junction positions

with the opening and closing conatct points in particular

is higher. Optimization of the contact model and heat dissipation characteristics of the swithgear cabinet can effectively reduce the overall temperature of the contacts and that isnide the switchgear cabinet. Finally

prototype is designed in accordance with the optimization model for temperature rise test. The correctness of the calcualtion method is verified so to provide reference for the optimization design of temperature rise of gas insulated switchgear cabinet.

关键词

Keywords

references

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