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Design and characteristic analysis of a rod type high-Tc superconducting fault current limiter through electromagnetic analysis

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4 Author(s)
Chanjoo Lee ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Seungje Lee ; Ok-Bae Hyun ; Tae Kuk Ko

The existence of large air gaps, between a high-Tc superconducting (HTS) tube and an iron core, or between a primary winding and a HTS tube, possibly causes some undesirable voltage drops under the condition of normal operation. It makes the power system unstable. For this reason, the optimization of air gaps is essential in designing a high-Tc superconducting fault current limiter (SFCL). In this paper, the optimal values of air gaps are determined through electromagnetic analysis, and the comparison between computational and experimental results is provided

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Applied Superconductivity, IEEE Transactions on  (Volume:11 ,  Issue: 1 )