[Table of Contents]

Plasma and Fusion Research

Volume 9, 1405013 (2014)

Regular Articles


Feasibility of HTS Magnet Option for Fusion Reactors
Nagato YANAGI, Satoshi ITO1), Yoshiro TERAZAKI2), Kyohei NATSUME, Hitoshi TAMURA, Shinji HAMAGUCHI, Toshiyuki MITO, Hidetoshi HASHIZUME1), Junji MORIKAWA3), Yuichi OGAWA3), Masataka IWAKUMA4) and Akio SAGARA
National Institute for Fusion Science, 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan
1)
Department of Quantum Science and Energy Engineering, Tohoku University, 6-6-01-2 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
2)
The Graduate University for Advanced Studies, 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan
3)
Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba 277-8568, Japan
4)
Research Institute of Superconductor Science and Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
(Received 27 April 2013 / Accepted 22 December 2013 / Published 14 March 2014)

Abstract

Conceptual design studies are being carried out on the application of high-temperature superconducting (HTS) conductors and coils to the magnet systems of fusion reactors. A 100-kA-class HTS conductor is required to be applied at high magnetic fields of > 12 T. A simple stack of YBCO tapes embedded in copper and stainless-steel jackets is found to be a practical approach to producing large-scale conductors that exhibit high cryogenic stability and mechanical rigidity. The feasibility of the segmented fabrication method for large complex HTS coils, such as the helical coils in the LHD-type helical fusion reactor FFHR-d1, is being investigated by developing mechanical bridge-type lap joint technology of HTS conductors.


Keywords

high-temperature superconductor (HTS), YBCO, fusion reactor, helical, FFHR-d1

DOI: 10.1585/pfr.9.1405013


References

  • [1] Y. Shiohara et al., Physica C 468, 1498 (2008).
  • [2] W.H. Fietz et al., Fusion Eng. Des. 75, 105 (2005).
  • [3] P. Komarek, Fusion Eng. Des. 81, 2287 (2006).
  • [4] Y. Ogawa et al., J. Plasma Fusion Res. 79, 643 (2003).
  • [5] S. Mizumaki et al., IEEE Trans. Appl. Supercond. 16, 918 (2006).
  • [6] Y. Ogawa et al., Plasma Fusion Res. 4, 020 (2009).
  • [7] Y. Ogawa et al., to be published in Plasma Fusion Res.
  • [8] K. Natsume et al., IEEE Trans. Appl. Supercond. 24, 4601104 (2014).
  • [9] N. Koizumi et al., Nucl. Fusion 45, 431 (2005).
  • [10] F. Dahlgren et al., Fusion Eng. Des. 167, 139 (2006).
  • [11] T. Ando, S. Nishio and H. Yoshimura, IEEE Trans. Appl. Supercond. 14, 1481 (2004).
  • [12] T. Isono et al., IEEE Trans. Appl. Supercond. 13, 1512 (2003).
  • [13] A. Sagara et al., Fusion Eng. Des. 87, 594 (2012).
  • [14] S. Imagawa et al., Nucl. Fusion 49, 075017 (2009).
  • [15] K. Takahata et al., Fusion Eng. Des. 82, 1487 (2007).
  • [16] W. Goldacker et al., Supercond. Sci. Technol. 22, 034003 (2009).
  • [17] M. Takayasu, Supercond. Sci. Technol. 25, 014011 (2012).
  • [18] D.C. van der Laan, Supercond. Sci. Technol. 22, 065013 (2009).
  • [19] N. Yanagi et al., IEEE Trans. Appl. Supercond. 24, 4202805 (2014).
  • [20] M. Iwakuma et al., Supercond. Sci. Technol. 23, 075009 (2010).
  • [21] N. Yanagi et al., Physics Procedia 27, 444 (2012).
  • [22] T. Ando, S. Nishio, SOFE05 Knoxville, TN, USA (2005).
  • [23] T. Mito et al, IEEE Trans. Appl. Supercond. 21, 2470 (2011).
  • [24] M. Iwakuma et al., Physica C 469, 1726 (2009).
  • [25] T. Mito et al., IEEE Trans. Appl. Supercond. 17, 1973 (2007).
  • [26] N. Yanagi et al., Fusion Sci. Technol. 60, 648 (2011).
  • [27] L.A. El-Guebaly and The ARIES Team, Fusion Eng. Des. 38, 139 (1997).
  • [28] K. Uo et al., Proc. 14th SOFT, 1727 (1986).
  • [29] H. Hashizume et al., Fusion Eng. Des. 63, 449 (2002).
  • [30] G. Bansal et al., Plasma Fusion Res. 3, S1049 (2008).
  • [31] N. Yanagi et al., Plasma Fusion Res. 5, S1026 (2010).
  • [32] Y. Terazaki et al., Plasma Fusion Res. 7, 2405027 (2012).
  • [33] S. Ito et al., IEEE Trans. Appl. Supercond. 22, 6400204 (2012).
  • [34] K. Kawai et al., IEEE Trans. Appl. Supercond. 23, 4801704 (2013).
  • [35] L. Bromberg et al., Fusion Sci. Technol. 60, 635 (2011).
  • [36] G. Bansal et al., IEEE Trans. Appl. Supercond. 18, 1151 (2008).
  • [37] R. Champailler et al., IEEE Trans. Appl. Supercond. 20, 1565 (2010).
  • [38] S. Ito et al., IEEE Trans. Appl. Supercond. 24, 4602305 (2014).
  • [39] Y. Terazaki et al., IEEE Trans. Appl. Supercond. 24, 4801305 (2014).

This paper may be cited as follows:

Nagato YANAGI, Satoshi ITO, Yoshiro TERAZAKI, Kyohei NATSUME, Hitoshi TAMURA, Shinji HAMAGUCHI, Toshiyuki MITO, Hidetoshi HASHIZUME, Junji MORIKAWA, Yuichi OGAWA, Masataka IWAKUMA and Akio SAGARA, Plasma Fusion Res. 9, 1405013 (2014).