Ac loss properties of a 4 kJ conduction-cooled pulse coil wound with a Bi2223 6-strand parallel conductor for SMES

Masataka Iwakuma, H. Miyazaki, Y. Fukuda, Kazuhiro Kajikawa, K. Funaki, K. Tsutsumi, H. Hayashi, H. Kimura, A. Tomioka, T. Bohno, Y. Yagi

研究成果: ジャーナルへの寄稿Conference article

10 引用 (Scopus)

抄録

We designed and fabricated a 4 kJ conduction-cooled superconducting pulse coil with a 6-strand interlayer-transposed parallel conductor composed of B12223 multifilamentary tapes. We adopted the helium gas forced-flow cooling system where the helium gas flowed inside a copper pipe soldered with the flanges of brass. We succeeded in the continuous pulse operation with an amplitude of 500 A-1.6 T at a sweep rate of 140 A/s at 30 K as designed. Even in the ac operation with an ac loss of 120 W, the difference in temperature inside the winding was only 5 K and it was possible to hold the coil temperature around 30 K. In this paper, we report the design and the test results of the coil system from the aspect of ac loss and thermal properties.

元の言語英語
ページ(範囲)1882-1885
ページ数4
ジャーナルIEEE Transactions on Applied Superconductivity
13
発行部数2 II
DOI
出版物ステータス出版済み - 6 1 2003
イベント2002 Applied Superconductivity Conference - Houston, TX, 米国
継続期間: 8 4 20028 9 2002

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Helium
strands
coils
conductors
Gases
Copper pipe
conduction
Brass
Flanges
pulses
Cooling systems
helium
Tapes
flanges
Thermodynamic properties
brasses
cooling systems
gases
Temperature
tapes

All Science Journal Classification (ASJC) codes

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

これを引用

Ac loss properties of a 4 kJ conduction-cooled pulse coil wound with a Bi2223 6-strand parallel conductor for SMES. / Iwakuma, Masataka; Miyazaki, H.; Fukuda, Y.; Kajikawa, Kazuhiro; Funaki, K.; Tsutsumi, K.; Hayashi, H.; Kimura, H.; Tomioka, A.; Bohno, T.; Yagi, Y.

:: IEEE Transactions on Applied Superconductivity, 巻 13, 番号 2 II, 01.06.2003, p. 1882-1885.

研究成果: ジャーナルへの寄稿Conference article

Iwakuma, M, Miyazaki, H, Fukuda, Y, Kajikawa, K, Funaki, K, Tsutsumi, K, Hayashi, H, Kimura, H, Tomioka, A, Bohno, T & Yagi, Y 2003, 'Ac loss properties of a 4 kJ conduction-cooled pulse coil wound with a Bi2223 6-strand parallel conductor for SMES', IEEE Transactions on Applied Superconductivity, 巻. 13, 番号 2 II, pp. 1882-1885. https://doi.org/10.1109/TASC.2003.812938
Iwakuma, Masataka ; Miyazaki, H. ; Fukuda, Y. ; Kajikawa, Kazuhiro ; Funaki, K. ; Tsutsumi, K. ; Hayashi, H. ; Kimura, H. ; Tomioka, A. ; Bohno, T. ; Yagi, Y. / Ac loss properties of a 4 kJ conduction-cooled pulse coil wound with a Bi2223 6-strand parallel conductor for SMES. :: IEEE Transactions on Applied Superconductivity. 2003 ; 巻 13, 番号 2 II. pp. 1882-1885.
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AU - Tsutsumi, K.

AU - Hayashi, H.

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AB - We designed and fabricated a 4 kJ conduction-cooled superconducting pulse coil with a 6-strand interlayer-transposed parallel conductor composed of B12223 multifilamentary tapes. We adopted the helium gas forced-flow cooling system where the helium gas flowed inside a copper pipe soldered with the flanges of brass. We succeeded in the continuous pulse operation with an amplitude of 500 A-1.6 T at a sweep rate of 140 A/s at 30 K as designed. Even in the ac operation with an ac loss of 120 W, the difference in temperature inside the winding was only 5 K and it was possible to hold the coil temperature around 30 K. In this paper, we report the design and the test results of the coil system from the aspect of ac loss and thermal properties.

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