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Heating by Electrical Current of Stainless Steel-Stabilized Current Limiting Elements Made from 2G HTSC Tapes and Its Dependence on Heat Transfer Parameters to Liquid Nitrogen

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Abstract

The heating of current-limiting elements made of second-generation HTSC tapes stabilized with a stainless steel tape is studied experimentally. It is shown that the heating rate depends little on the degree of stabilization with stainless steel. Using a mathematical model that takes into account the heat sink parameters (the medium is liquid nitrogen), the capabilities and limitations of increasing the area of the current-limiting element for reducing its temperature in the current limiting mode are demonstrated.

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Funding

This work was supported by the Ministry of Education and Science of the Russian Federation under agreement no. 14.579.21.0141, project no. RFMEFI57917X0141.

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Correspondence to S. V. Samoilenkov.

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The authors declare that they have no conflict of interest.

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Translated by E. Chernokozhin

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Samoilenkov, S.V., Shcherbakov, V.I., Kumarov, D.R. et al. Heating by Electrical Current of Stainless Steel-Stabilized Current Limiting Elements Made from 2G HTSC Tapes and Its Dependence on Heat Transfer Parameters to Liquid Nitrogen. Tech. Phys. Lett. 46, 23–26 (2020). https://doi.org/10.1134/S1063785020010137

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  • DOI: https://doi.org/10.1134/S1063785020010137

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