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Thermal Behavior of Quasi-isotropic Strand and Stacked-Tape Conductor

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Abstract

In this study, the thermal processes of a quasi-isotropic conductor in response to a heat disturbance are studied in detail, by combining simulations and experiments. A simulation model considering the anisotropy in the heat transfer coefficient of high-temperature superconducting (HTS) materials was established. The quasi-isotropic superconductor (QIS) was tested from 20 to 77 K, and the stacked tapes conductor (STC) was tested synchronously for the convenience of comparison. Compared with STC, the internal temperature distribution of QIS exhibits high isotropy and lower temperature rise. The thermal process following local tapes quenching is analyzed through simulation. The results show that the temperature rise of QIS is more uniform and lower than that of STC, which brings better thermal stability response to a heat disturbance.

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Funding

This work was supported by State Grid under Grant DGB17201900174.

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Authors and Affiliations

  1. The Key Lab of HV and EMC Beijing Electrical, Electronic Engineering School, North China Electric Power University, Beijing, 102206, China

    Yueyin Wang, Yang Nie & Yiran Meng

  2. The State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources and the Key Lab. of HV and EMC Beijing, North China Electric Power University, Beijing, 102206, China

    Yinshun Wang & Wei Pi

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  1. Yueyin Wang
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  2. Yinshun Wang
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  3. Yang Nie
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  4. Yiran Meng
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  5. Wei Pi
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Correspondence to Yueyin Wang.

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Wang, Y., Wang, Y., Nie, Y. et al. Thermal Behavior of Quasi-isotropic Strand and Stacked-Tape Conductor. J Supercond Nov Magn 33, 3313–3319 (2020). https://doi.org/10.1007/s10948-020-05582-3

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  • DOI: https://doi.org/10.1007/s10948-020-05582-3

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