Novel Design of the Structure of a Non-Inductive Superconducting Coil
- Authors
- Ahn, Min Cheol; Jang, Jae Young; Ko, Tae Kuk; Lee, Haigun
- Issue Date
- 6월-2011
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Hybrid FCL; non-inductive coil; toroid
- Citation
- IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, v.21, no.3, pp.1250 - 1253
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
- Volume
- 21
- Number
- 3
- Start Page
- 1250
- End Page
- 1253
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/112330
- DOI
- 10.1109/TASC.2010.2093590
- ISSN
- 1051-8223
- Abstract
- A non-inductive coil is an essential element of a resistive superconducting fault current limiter (FCL). A bifilar pancake type non-inductive coil, which is most common type, has two drawbacks; difficulty of paralleling tapes and a high risk of electrical breakdown at the terminal part. Although the bifilar type is simple as an element, large-scale FCL needs quite a number of series and parallel connections between elements. To make a non-inductive coil using conventional inductive elementary coils, we propose a novel structure of the coil. It looks like a toroid but entire inductance is near zero. This coil can overcome the drawbacks of conventional bifilar coil. In this paper, we confirm the new concept by numerical analyses. A few kinds of new models are compared, and then we concluded the proposed toroidal shape one is most suitable. This new structure coil can help implement of a hybrid FCL which is to generate the magnetic field at only fault.
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