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High-capacity superconducting current leads of Y1Ba2Cu3O7−x (1990)

Gubser, D. U. ; Miller, M. M. ; Alford, N. M. ; [weitere]

Springer

Journal of superconductivity 3 (1990), S. 221-226

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Details

ISSN: 1572-9605

Schlagwort(e): Current leads ; Y1Ba2Cu3O7−x ; high-current capacity

Quelle: Springer Online Journal Archives 1860-2000

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik

Notizen: Abstract We have fabricated and measured a high-capacity superconducting current lead composed of a Y1Ba2Cu3O7−x cylinder, 20 cm long and 0.9 cm2 cross section. A steady-state, d.c., critical current of 225 A at a temperature of 77 K was measured in this sample, using a voltage criterion of 2×10−7 V/cm (p = 8×10−10 ohm-cm). This current was limited by the currentinduced, self magnetic field. To our knowledge this is the largest d.c. critical current so far reported in a Y1Ba2Cu3O7−x sample and demonstrates the possibility of using hightemperature superconducting HTS materials for current leads to low-temperature superconducting LTS magnets or in power distribution systems.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00624512

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