Multi-physics Coupling Simulation and Experiment of Temperature Rise in GIS and Heat Flux Distribution Characteristics

HOU Guobin; FU Mingli; DENG Xiaofeng; WANG Dibo; LI Xingwen; ZHUO Ran

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Multi-physics Coupling Simulation and Experiment of Temperature Rise in GIS and Heat Flux Distribution Characteristics

更新时间：2025-12-08

- Multi-physics Coupling Simulation and Experiment of Temperature Rise in GIS and Heat Flux Distribution Characteristics
- Vol. 45, Issue 7, Pages: 2322-2328(2019)
- 作者机构：
  
  1. 西安交通大学电力设备电气绝缘国家重点实验室
  2. 南方电网科学研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 July 2019，
  
  Published：2019
- 稿件说明：
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HOU Guobin, FU Mingli, DENG Xiaofeng, et al. Multi-physics Coupling Simulation and Experiment of Temperature Rise in GIS and Heat Flux Distribution Characteristics[J]. 2019, 45(7): 2322-2328.
DOI：

HOU Guobin, FU Mingli, DENG Xiaofeng, et al. Multi-physics Coupling Simulation and Experiment of Temperature Rise in GIS and Heat Flux Distribution Characteristics[J]. 2019, 45(7): 2322-2328. DOI：

摘要

准确计算GIS的温升和分析其热通量分布对于GIS的设计具有重要意义。为此建立了126kV三相共箱式GIS的三维电–磁–热–流耦合模型

采用三维多物理场耦合方法分析GIS的电磁场、温度场和气流场。首先利用Ansys Maxwell 3D模块计算获得GIS的欧姆损耗为1 107.8 W

将欧姆损耗作为热源导入Ansys Fluent模块进行热流耦合计算

得到温度分布和流速分布

电接触处和外壳的温升最高约为52.5K和20K;然后研究了GIS对流和辐射热通量的分布特性

并分析了不同传热方式的影响

为以后的传热分析方法奠定了基础;最后进行了温升实验

仿真与实验的最大误差为3.601 K

验证了仿真方法的正确性

进而可以为产品的优化设计提供理论依据。

Abstract

Accurate prediction of GIS temperature-rise and analysis of the heat flux distribution are very important for the design of GIS. Using the 3-D multi-physics coupling method

we established a 3-D electromagnetic-thermal-flow coupled model to analyze the electromagnetic field

temperature field and gas flow field of 126 kV three-phase-in-one-tank type GIS. Firstly

the Ohmic losses of GIS which were calculated to be 1 107.8 W by Ansys Maxwell 3 D were introduced into Ansys Fluent as heat source to calculate the temperature distribution and velocity distribution

and the highest temperature-rises of electrical contact area and shell were about 52.5 K and 20 K

respectively. Then the distribution characteristics of convection and radiation heat flux were analyzed

which lays a foundation for the future heat transfer analysis method. Finally

the temperature-rise test results were compared with the simulation results and the maximum error was 3.601 K

which verifies the correctness of the simulation results. Thereby

the multi-physics calculation of GIS can provide a theoretical basis for the optimal design of the product.

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