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Linear modeling analysis of the heat balance of the transmission line in high frequency critical ice melting state

Author

Listed:
  • Lei Tan
  • Yin Liu
  • Zonghui Yuan
  • Rong Li

Abstract

The icing of transmission lines can cause many problems such as increased line load, unbalanced tension, and galloping, posing a serious threat to the reliable operation of the power system. Therefore, linear modeling analysis of the heat balance under a high-frequency critical ice melting state of transmission lines is studied. The thermal conduction states of melting, heating, twisting, rotating melting, and ice layer detachment of ice melting conductors are analyzed. Based on the heat conduction process of thermal melting of ice on transmission lines, a simplified calculation formula for thermal melting ice time is derived to calculate times for heating, ice layer torsion, and air gap increase. At the same time, based on the law of conservation of energy, thermodynamic boundary conditions for iced conductors were established and corresponding physical models were constructed. Based on this model, we conduct a linear modeling of the heat balance in the melting state in order to provide a more accurate prediction of temperature distribution. The experimental results show that there is a negative correlation between environmental temperature and critical melting current, and the melting time decreases with the increase of environmental temperature.

Suggested Citation

  • Lei Tan & Yin Liu & Zonghui Yuan & Rong Li, 2024. "Linear modeling analysis of the heat balance of the transmission line in high frequency critical ice melting state," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 19, pages 508-516.
  • Handle: RePEc:oup:ijlctc:v:19:y:2024:i::p:508-516.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctad134
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    References listed on IDEAS

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    1. Amr M. S. Mahdy & M. M. Babatin & M. M. Khader, 2022. "Numerical treatment for processing the effect of convective thermal condition and Joule heating on Casson fluid flow past a stretching sheet," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 33(08), pages 1-10, August.
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