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Numerical Study on Overcurrent Process of High-Temperature Superconducting Coated Conductors

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Abstract

Overcurrent performance of high-temperature superconducting (HTS) coated conductor (CC) is one of the most crucial parameters for industrial applications, especially in superconducting fault current limiters (SFCLs). Thus, numerical study of overcurrent process becomes desirable in design of these superconducting devices. In this paper, a field-circuit combined model is introduced to study the overcurrent process of HTS CCs. This model is built by both MATLAB and COMSOL. Circuit parameters, electromagnetic, and temperature distributions are individually calculated by different software. Temperature (T), magnetic intensity (B), and generated heat (Q) are used as real-time intermediate exchanging variables. Accuracy of this model is verified by short-fault experiments on straight HTS CC. Further applications, such as reclosing process and superconducting coils are both performed. Results obtained in this paper prove the validity of this model; this model can be helpful in future design of superconducting devices.

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Acknowledgments

This work was supported by the Power Generation and Electricity Delivery of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea Government Ministry of Knowledge Economy (2014101050231B).

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Authors and Affiliations

  1. School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China

    J. Sheng, D. Hu, Z. Y. Li & Z. Hong

  2. Institution of Electrical Engineering, Slovak Academy of Science, Bratislava, Slovakia

    J. Sheng

  3. Department of Electrical Engineering, Chonnam National University, Gwangju, 500-757, Korea

    K. Ryu

  4. Korea Electric Power Research Institute, Daejeon, 305-380, Korea

    H. S. Yang

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  1. J. Sheng
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  2. D. Hu
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  3. K. Ryu
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  4. H. S. Yang
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  5. Z. Y. Li
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  6. Z. Hong
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Correspondence to J. Sheng.

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Sheng, J., Hu, D., Ryu, K. et al. Numerical Study on Overcurrent Process of High-Temperature Superconducting Coated Conductors. J Supercond Nov Magn 30, 3263–3270 (2017). https://doi.org/10.1007/s10948-016-3754-1

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  • DOI: https://doi.org/10.1007/s10948-016-3754-1

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