| 摘要 |
An arrangement is provided having a superconductive cable (SK) which consists of a superconductive conductor (1) and a superconductive screen (3) that encloses the latter with the interposition of a dielectric (2) and which is enclosed, with the inclusion of a free space (FR) for conveying a refrigerant, by a cryostat (KR) which consists of two metal tubes (4,5) arranged mutually concentrically, between which vacuum insulation (6) is arranged. Outside the screen (3), a tubularly closed layer (7, 8) of a ferromagnetic material is provided over the entire length of the cable (SK). It is preferably arranged on the outer circumference of the cryostat (KR).
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