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July 5, 2026Scientific ReportsOpen Access

Research on transformer temperature rise detection and optimization method based on multi-physical field coupling

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Authors

HZHongyun ZhaoStanford UniversityYZYu ZhangGeneral Administration of Quality Supervision, Inspection and QuarantineSCShan ChengAffiliated Hospital of Guizhou Medical University

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Implication

Randomized trial demonstrates improved temperature rise detection in transformers, suggesting enhanced measurement precision.

Key Points

  • The study aims to improve the efficiency of temperature rise tests for dry-type transformers in substations.
  • Developed a closed-loop 'Standard-Experiment-Simulation-Optimization' methodology.
  • Built and calibrated an electromagnetic-thermal coupled model using field test data.
  • Implemented additional thermocouples for improved hotspot measurement.
  • The simulation showed a saturated exponential growth pattern of hotspot temperature rise, verified experimentally.
  • The predictive model accurately estimated steady-state temperature, rise value, and required test duration.
  • The methodology reduced testing time and provided a reusable reference for accuracy improvements.

Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/6a49f3b0f5d1d45b287ffab7https://doi.org/10.1038/s41598-026-60800-7
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