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Field-Circuit Coupled Modelling of Superconducting Cable for Positive and Zero Sequence Impedance Analysis
编号：430 访问权限：仅限参会人 更新：2022-05-21 15:55:20 浏览：130次 张贴报告

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摘要
This paper presents a simulation analysis method for the sequence impedance of three-phase cold insulated superconducting cable based on the field-circuit coupling model. In this model, the induced electric field of screening layer is calculated by the magnetic field model, and the time domain current in the superconducting cable is calculated by the circuit model. Then, the positive sequence and zero sequence impedance of the superconducting cable circuit are calculated. The simulation results are as follows: for the positive sequence impedance, under the same structural parameters, the positive sequence impedance of the superconducting cable is half of the conventional cable; When the screening coefficient of the superconducting screen is 80% ~  90%, the positive sequence reactance increases by 18% ~ 35%. For the zero sequence impedance, it is about 5 times of the positive sequence impedance, which is slightly greater than the handbook recommended value X 0 ≈ ( 3.5 ~ 4.6 ) X 1 . When the screening coefficient of the superconducting screen is 80% ~90%, the zero sequence impedance increases by 2.8 ~ 5 times.
 
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报告人
张会明
Senior Engineer 中国电力科学研究院有限公司

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重要日期

  • 会议日期

    05月27日

    2022

    至

    05月29日

    2022

  • 02月28日 2022

    初稿截稿日期

  • 05月29日 2022

    注册截止日期

  • 06月22日 2022

    报告提交截止日期

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