Improvements of current decay behavior of HTS coils in persistent current operations

IEEE Transactions on Applied Superconductivity

Volumn 17, Issue 2, 2007, Pages 2422-2425

  Hemmi, Tsutomu ^a   Yanagi, Nagato ^a   Seo, Kazutaka ^a   Bansal, Gourab ^b   Takahata, Kazuya ^a   Mito, Toshiyuki ^a  

^a NATIONAL INSTITUTE FOR FUSION SCIENCE   (Japan)

^b GRADUATE UNIVERSITY FOR ADVANCED STUDIES   (Japan)

Author keywords

Current decay behavior; High temperature superconducting coil; Internal ring device; Persistent current operation

Indexed keywords

CABLE SHEATHING; CURRENT DENSITY; ELECTRIC FIELD EFFECTS; MAGNETIC LEVITATION; SUPERCONDUCTING TAPES;

CURRENT DECAY BEHAVIOR; HIGH TEMPERATURE SUPERCONDUCTING COILS; HIGH-TEMPERATURE SUPERCONDUCTING COIL; INTERNAL RING DEVICES;

HIGH TEMPERATURE SUPERCONDUCTORS;

EID: 34547452153     PISSN: 10518223     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASC.2007.898889     Document Type: Conference Paper

References (11)

1. Y. Ogawa, J. Morikawa, T. Mito, N. Yanagi, M. Iwakuma, and H. Nihei et al., "Construction and operation of an internal coil device with a high temperature superconductor," J. Plasma Fusion Res., vol. 79, pp. 643-644, 2003.
2. Z. Yoshida, Y. Ogawa, J. Morikawa, S. Watanabe, Y. Yano, and S. Mizumaki et al, "First plasma in the RT-1 device," Plasma Fusion Res., vol. 1, no. 008, pp. 1-2, 2006.
3. D. T. Gamier, A. K. Hansen, J. Kesner, M. E. Mauel, P. C. Michael, and J. V. Minervini et al., "Design and initial operation of the LDX facility," Fusion Eng. Des., vol. 81, pp. 2371-2380, 2006.
4. L. Cesnak and J. Kokavec, "Magnetic field stability of superconducting magnets," Cryogenics, vol. 17, pp. 107-110, 1977.
5. T. Hemmi, N. Yanagi, K. Seo, R. Maekawa, K. Takahata, and T. Mito, "Experimental evaluation of loss generation in HTS coils under various conditions," IEEE Trans. Appl. Supercond., vol. 15, pp. 1711-1714, 2005.
6. Y. Nagato, T. Mito, T. Hemmi, K. Seo, J. Morikawa, and Y. Ogawa et al, "Effective resistance of the HTS floating coil of the Mini-RT project," IEEE Trans. Appl. Supercond., vol. 15, pp. 1399-1402, 2005.
7. T. Hemmi, Y. Yanagi, G. Bansal, K. Seo, K. Takahata, and T. Mito, "Electromagnetic behavior of HTS coils in persistent current operations," Fusion Eng. Des., vol. 81, pp. 2463-2466, 2006.
8. N. Amemiya, S. Murasawa, N. Banno, and K. Miyamoto, "Numerical modelings of superconducting wires for AC loss calculations," Physica C, vol. 310, pp. 16-29, 1998.
9. S. Yamamoto and T. Yanada, "Initial magnetic field decay of the superconducting magnet in persistent current mode," IEEE Trans. Magn., vol. 24, no. 2, pp. 1292-1294, 1988.
10. T. Ogasawara, K. Yasukochi, Y. Takahashi, K. Yasohara, and Y. Kubota, "An experiment clarifying the distribution of transport currents in superconducting wires," IEEE Trans. Magn., vol. 15, no. 1, pp. 236-239, 1979.
11. F. Sumiyoshi, H. Hori, F. Irie, and T. Kawashima, "Using magnetic field pulses with a slow sweep rate to produce uniform current distribution in multifilamentary superconducting wire," Cryogenics, vol. 23, pp. 373-377, 1983.