The evolution of quenches in superconducting parallel bifilar winding by fault current

Sang Jin Lee; Tae Kuk Ko

doi:10.1109/77.506683

The evolution of quenches in superconducting parallel bifilar winding by fault current

Sang Jin Lee, Tae Kuk Ko

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A superconducting parallel bifilar winding with one strand in each branch was tested and analyzed. When quenched by a fault current, it showed the so-called "fast quench" and the experimental results explained the increase of resistance. Also the experiments confirm that the current redistribution of magnetically coupled strands develops new normal zones after the initial quench, and that the size of normal zones at an early stage increases almost linearly as dI/dt increases. By these results, we could explain the resistance rise of the superconducting parallel bifilar winding when quenched by a current above the critical value.

Original language	English
Pages (from-to)	57-61
Number of pages	5
Journal	IEEE Transactions on Applied Superconductivity
Volume	6
Issue number	2
DOIs	https://doi.org/10.1109/77.506683
Publication status	Published - 1996

Bibliographical note

Funding Information:
Manuscript received November 7, 1994; revised April 1, 1996. This work was supported by the Research and Development Management Center for Energy and Resources in Korea. The authors are with the Department of Electrical Engineering, Yonsei University, Shinchon-Dong 134, Seodaemoon-Gu, Seoul, 120-749 Korea. Publisher Item Identifier S 1051-8223(96)05203-7.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "A superconducting parallel bifilar winding with one strand in each branch was tested and analyzed. When quenched by a fault current, it showed the so-called {"}fast quench{"} and the experimental results explained the increase of resistance. Also the experiments confirm that the current redistribution of magnetically coupled strands develops new normal zones after the initial quench, and that the size of normal zones at an early stage increases almost linearly as dI/dt increases. By these results, we could explain the resistance rise of the superconducting parallel bifilar winding when quenched by a current above the critical value.",

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AB - A superconducting parallel bifilar winding with one strand in each branch was tested and analyzed. When quenched by a fault current, it showed the so-called "fast quench" and the experimental results explained the increase of resistance. Also the experiments confirm that the current redistribution of magnetically coupled strands develops new normal zones after the initial quench, and that the size of normal zones at an early stage increases almost linearly as dI/dt increases. By these results, we could explain the resistance rise of the superconducting parallel bifilar winding when quenched by a current above the critical value.

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The evolution of quenches in superconducting parallel bifilar winding by fault current

Abstract

Bibliographical note

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