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Transformers are a critical component in power systems for transmission and distribution. An increase in temperature can not only affect the normal operation of power equipment but also pose a threat to its safety. Therefore, accurately calculating the temperature field of transformers is essential for ensuring their safe and stable operation. Taking the SCB14–800/10 dry-type distribution transformer as an example, this study analyzes its heat generation and dissipation characteristics and the principle of magnetic thermal flow coupling. Using the COMSOL multiphysics simulation platform, a magnetic thermal flow coupling analysis was conducted to determine the temperature distribution of the core, windings, and clamping components. Finally, a self-written program based on the finite element method was developed to solve the steady-state heat conduction problem. This program was applied to the temperature calculation of the transformer core and verified its effectiveness and accuracy.

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Transformer Temperature Field Calculation Based on Finite Element Method and Self-Programming

  • 会议论文

  • 发表日期：

    2026年

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  • Bing Li,
  • Ran Hu,
  • Hao Dai,
  • Zhanhua Huang,
  • Chen Chen,
  • Ziyang Chen,
  • Leichao Zhang,
  • Weizhan Shi

摘要

Transformers are a critical component in power systems for transmission and distribution. An increase in temperature can not only affect the normal operation of power equipment but also pose a threat to its safety. Therefore, accurately calculating the temperature field of transformers is essential for ensuring their safe and stable operation. Taking the SCB14–800/10 dry-type distribution transformer as an example, this study analyzes its heat generation and dissipation characteristics and the principle of magnetic thermal flow coupling. Using the COMSOL multiphysics simulation platform, a magnetic thermal flow coupling analysis was conducted to determine the temperature distribution of the core, windings, and clamping components. Finally, a self-written program based on the finite element method was developed to solve the steady-state heat conduction problem. This program was applied to the temperature calculation of the transformer core and verified its effectiveness and accuracy.