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Superconducting cable

A superconductor and cable technology, applied in the field of superconductor cables, can solve problems such as damage

Inactive Publication Date: 2006-11-01
NEXANS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A problem therefore arises, the reason why it is necessary to compensate the shrinkage that occurs during cooling by means of an excess length of the cable core, is that the cable core exerts a strong tensile force, which leads to its damage

Method used

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  • Superconducting cable
  • Superconducting cable

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Embodiment Construction

[0011] According to figure 1 and 2 The exemplary embodiments shown schematically explain the invention in more detail.

[0012] figure 1 A transverse section through the cryostat surrounding the superconducting cable core 1 is shown. The cryostat includes corrugated metal tube 2 , super insulation 3 and corrugated metal tube 4 . The corrugated metal pipes 2 and 4 are produced in a continuous operation by forming a metal strip into a seamed pipe, welding the slits and subsequently corrugating it. The superinsulation 3 comprises alternately applied layers of reflective metal foil and thermal insulating material, eg glass fiber non-woven fabric. In addition, the space between the metal pipes 2 and 4 is in a vacuum state.

[0013] A superconducting cable can be produced by pushing a metal tube 2 with superinsulation 3 into a metal tube 4 . The cable core 1 can be placed in the metal tube 2 before or after this.

[0014] Suitable for the production of larger lengths is a met...

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Abstract

A superconductor cable is described, having a superconductive flexible cable core ( 1 ) , which is laid in a cryostat ( 2, 3, 4 ), in which the cable core ( 1 ) runs in the cryostat ( 2, 3, 4 ) in the form of a wave or helix at room temperature.

Description

technical field [0001] The invention relates to a superconductor cable with a superconducting flexible cable core placed in a cryostat. Background technique [0002] For the production of superconducting cables, a superconducting cable core is produced and subsequently placed in a cryostat, or the superconducting cable core is encapsulated with individual parts of a cryostat in a continuous operation. [0003] In the production of superconducting flexible cable cores, first a large number of superconducting strips are arranged around a strand of copper wire having a relatively large length of lay. Subsequently, a number of layers of insulating material in the form of strips are placed on the layer of superconducting strips. Typically, paper strips or strips laminated with plastic are wound on the layer of superconducting strips. Above this layer of insulating material, a shielding is applied, which comprises at least one layer of superconducting tape wound around a larger ...

Claims

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Application Information

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IPC IPC(8): H01B12/00F16L59/00
CPCF16L59/065F16L59/141H01B12/06Y02E40/60H01B12/08
Inventor 阿诺·阿莱斯弗兰克·施米特埃里克·马赞
Owner NEXANS