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This paper presents a stability analysis study of a 330 kA cell retrofitted to operate at 350 kA using the MHDMagneto-Hydro-Dynamic (MHD)-Valdis software. An MHDMagneto-Hydro-Dynamic (MHD)-Valdis model was previously built using the busbar and potshell geometry defined in the SAMI magnetic model presented in a previous TMS paper. It was previously demonstrated that both the magnetic fieldMagnetic fields and the horizontal metal pad current densityCurrent density calculated by MHDMagneto-Hydro-Dynamic (MHD)-Valdis correspond very well to those previously calculated by SAMI in that previous TMS paper. A base case non-linear transient cell stabilityCell stability analysis performed using the MHDMagneto-Hydro-Dynamic (MHD)-Valdis was also previously presented. That base case cell stabilityCell stability analysis study was extended in the present work to include studying the impact or changing ACD, changing metal pad thickness and replacing an anodeAnode in the center of the cell and replacing an anodeAnode in one of the cell corners.

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Stability Analysis of a 330 kA Cell Retrofitted to Operate at 350 kA Using MHD-Valdis Software

  • 会议论文

  • 发表日期：

    2026年

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  • Pengfei Du,
  • Marc Dupuis,
  • Wei Liu,
  • Hongwu Hu,
  • Xuan Wang,
  • Jinlong Hou,
  • Kanjian Sun,
  • Libo Du

摘要

This paper presents a stability analysis study of a 330 kA cell retrofitted to operate at 350 kA using the MHDMagneto-Hydro-Dynamic (MHD)-Valdis software. An MHDMagneto-Hydro-Dynamic (MHD)-Valdis model was previously built using the busbar and potshell geometry defined in the SAMI magnetic model presented in a previous TMS paper. It was previously demonstrated that both the magnetic fieldMagnetic fields and the horizontal metal pad current densityCurrent density calculated by MHDMagneto-Hydro-Dynamic (MHD)-Valdis correspond very well to those previously calculated by SAMI in that previous TMS paper. A base case non-linear transient cell stabilityCell stability analysis performed using the MHDMagneto-Hydro-Dynamic (MHD)-Valdis was also previously presented. That base case cell stabilityCell stability analysis study was extended in the present work to include studying the impact or changing ACD, changing metal pad thickness and replacing an anodeAnode in the center of the cell and replacing an anodeAnode in one of the cell corners.