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Vibration-based monitoring is a promising approach for transformer fault detection due to its real-time performance, low cost, and safety. However, data acquisition limitations hinder the development of diagnostic datasets. This study establishes a finite element model to simulate the vibration behavior of oil-immersed transformers and analyzes the resulting signals. The analysis reveals distinct frequency-domain characteristics between core and tank vibrations, attributed to nonlinear magnetostrictive hysteresis and vibration propagation.

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Vibration Analysis of Oil-Immersed Transformer Based on Electro-Magnetic-Structural Multi-physics Coupling

  • 会议论文

  • 发表日期：

    2026年

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  • Yesen Zhang,
  • Mengxue Lu,
  • Chengxu He,
  • Guang Ma,
  • Yu Han,
  • Chen Fang,
  • Xiang Xu,
  • Nana Duan

摘要

Vibration-based monitoring is a promising approach for transformer fault detection due to its real-time performance, low cost, and safety. However, data acquisition limitations hinder the development of diagnostic datasets. This study establishes a finite element model to simulate the vibration behavior of oil-immersed transformers and analyzes the resulting signals. The analysis reveals distinct frequency-domain characteristics between core and tank vibrations, attributed to nonlinear magnetostrictive hysteresis and vibration propagation.