Coupling losses in cable-in-conduit conductors for LHD poloidal coils

Fusion Engineering and Design

Volumn 65, Issue 1, 2003, Pages 39-45

  Takahata, K ^a   Mito, T ^a   Chikaraishi, H ^a   Imagawa, S ^a   Satow, T ^a  

^a NATIONAL INSTITUTE FOR FUSION SCIENCE   (Japan)

Author keywords

Coupling loss; LHD; Superconducting coil; Superconductor; Time constant

Indexed keywords

COOLANTS; COUPLINGS; ELECTRIC CONDUCTORS; ELECTRIC CURRENTS; SUPERFLUID HELIUM;

COUPLING LOSSES;

ELECTRIC COILS;

EID: 0037268448     PISSN: 09203796     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0920-3796(02)00279-X     Document Type: Article

References (12)

1. Fujiwara M., et al. Large Helical Device (LHD) program. J. Fusion Energy. 15:1996;7-154.
2. T. Mito, A. Nishimura, S. Imagawa, K. Takahata, N. Yanagi, R. Maekawa, et al., Design, development and operation of superconducting system for LHD, Proceedings of 19th IEEE/NPSS Symposium on Fusion Engineering, IEEE, Atlantic City, NJ, January 22-25, 2002, pp. 144-151.
3. Takahata K., Mito T., Yanagi N., Sakamoto M., Nishimura A., Yamada S., et al. Experimental results of the R & D forced-flow poloidal coil (TOKI-PF). Fusion Eng. Des. 20:1993;161-166.
4. Takahata K., Mito T., Satow T., Yanagi N., Sakamoto M., Yamada S., et al. Stability tests of the Nb-Ti cable-in-conduit superconductor with bare strands for demonstration of the Large Helical Device poloidal field coils. IEEE Trans. Magn. 30:1994;1705-1709.
5. Sumiyoshi F., Kawabata S., Kanai Y., Kawashima T., Mito T., Takahata K., et al. Losses in cable-in-conduit superconductors used for the poloidal coil system of the Large Helical Device. IEEE Trans. Appl. Supercond. 3:1993;476-479.
6. Mito T., Takahata K., Iwamoto A., Maekawa R., Yanagi N., Satow T., et al. AC loss measurements of the experiments on a single inner vertical coil (EXSIV) for the Large Helical Device. IEEE Trans. Appl. Supercond. 7:1997;330-334.
7. Mito T., Takahata K., Iwamoto A., Maekawa R., Yanagi N., Satow T., et al. Extra AC losses for a CICC coil due to the non-uniform current distribution in the cable. Cryogenics. 38:1998;551-558.
8. 3Sn US-demonstration poloidal coil. Fast R.W. Advances in Cryogenic Engineering. 37:1992;345-354 Plenum Press, New York.
9. Zenkevitch V.B., Romaniuk A.S. Losses in multifilamentary superconductors at low levels of excitation. IEEE Trans. Magn. 13:1977;567-570.
10. Turck B., Lefevre F., Polak M., Krempasky L. Coupling losses in a rectangular multifilamentary superconducting composite. Cryogenics. 22:1982;441-450.
11. N. Hirano, T. Mito, K. Takahata, A. Iwamoto, R. Maekawa, S. Satoh, et al., Increase of AC losses for the asymmetrically transposed superconducting cable due to the non-uniform current distribution between the strands, Proceedings of 15th International Conference on Magnet Technology, 1997, pp. 461-464.
12. Kawabata S., Sumiyoshi F., Kawashima T., Mito T., Takahata K., Takano H. Interstrand coupling effect on losses and current distributions in superconducting cable conductors. Cryogenics. 34:1994;293-301.