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This paper addresses the issue in existing research where Dynamic Line Rating (DLR) is applied to Available Transfer Capability (ATC) calculations without considering the impact of dynamic parameters related to transmission line properties on DLR. The paper proposes a correction method that takes into account the dynamic parameters of transmission lines. This, in turn, makes the calculation of the available transfer capability of the power system more accurate. Specifically, the paper uses dynamic parameters to correct the transmission line's dynamic line rating, designs an ATC calculation process, and proposes an ATC calculation model. Then, based on MI-LSTM (Mutual Information-Long Short-Term Memory), the system's ATC is calculated. And the results of ATC calculations under different seasons of the ratio. The case study uses historical operational data and corresponding environmental information of the power grid, incorporating this information into the IEEE 14-bus system to perform the corresponding ATC calculations, thereby verifying the feasibility and effectiveness of the proposed method.

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Calculation of Available Transmission Capacity of Power Systems with Calculation and Dynamic Parameter Correction

  • 会议论文

  • 发表日期：

    2025年

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  • Zifeng Li,
  • Hongchuan Chu,
  • Xiaozu Yin,
  • Zhengnan Gao,
  • Boqun Zhao,
  • Wengang Liu,
  • Shiming Wang,
  • Xueyou Wang

摘要

This paper addresses the issue in existing research where Dynamic Line Rating (DLR) is applied to Available Transfer Capability (ATC) calculations without considering the impact of dynamic parameters related to transmission line properties on DLR. The paper proposes a correction method that takes into account the dynamic parameters of transmission lines. This, in turn, makes the calculation of the available transfer capability of the power system more accurate. Specifically, the paper uses dynamic parameters to correct the transmission line's dynamic line rating, designs an ATC calculation process, and proposes an ATC calculation model. Then, based on MI-LSTM (Mutual Information-Long Short-Term Memory), the system's ATC is calculated. And the results of ATC calculations under different seasons of the ratio. The case study uses historical operational data and corresponding environmental information of the power grid, incorporating this information into the IEEE 14-bus system to perform the corresponding ATC calculations, thereby verifying the feasibility and effectiveness of the proposed method.