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System with a superconducting cable

A technology of superconductivity and cables, applied in superconductivity devices, usage of superconductor elements, superconducting/high-conducting conductors, etc., can solve problems such as wear, terminal cable joint failure, electrical breakdown, etc.

Inactive Publication Date: 2008-03-05
NEXANS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These particles may cause large faults such as terminal cable joints in the range of the cable or system to withstand the electric field, until it leads to electrical breakdown, which may have the consequence of destroying the terminal cable joints
This risk is even higher if the inner tube of the cryostat has a wavy deformation transversely to its longitudinal direction, since higher wear occurs due to this wavy deformation

Method used

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  • System with a superconducting cable

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Embodiment Construction

[0012] In the systems shown in FIGS. 1 and 2 , a superconducting cable KA with a cold dielectric is each arranged in a cryostat KR. The cable KA has an inner conductor 1 of superconducting material, which is laid around a metal core 2 made of a metal with good electrical conductivity, for example copper. The core wire 2 can be a core wire or a multi-strand wire. It can also be designed as a pipe, through which the coolant can be guided during system operation. The inner conductor 1 is surrounded by a dielectric 3 which consists of multiple layers of paper and / or paper laminated with polypropylene. On the dielectric 3 is arranged the shielding S of the cable KA, which consists of an inner superconducting part 4 surrounded by an outer part 5 of a metal with good electrical conductivity (below referred to as "conductor 5"). The conductor 5 is preferably made of copper.

[0013] The cryostat KR consists of two stainless steel tubes 6 and 7 which are separated from each other b...

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Abstract

The invention provides a system with a superconductive cable (KA) comprises a cable sheath (S) having a surface enclosed by a cryostatic temperature regulator (KR) and / or a cryostatic temperature regulator having an inner surface completely covered by a sliding layer (10) of a non-abrasive material with a lower friction coefficient than steel. A corresponding sliding layer surrounding the cable sheath is permeable to cooling medium. Preferred Features: The sliding layer is made of bronze. The sliding layer surrounding the cable sheath consists of a bronze sheet with holes wound around the sheath. At least the inner tube (7) of the cryostatic temperature regulator facing the cable sheath is corrugated perpendicularly to its longitudinal direction.

Description

technical field [0001] The invention relates to a system with a superconducting cable consisting of a superconducting inner conductor, a shield arranged concentrically with the inner conductor and a dielectric placed between the inner conductor and the shield, wherein the shield Consists of a superconducting part and a part surrounding the superconducting part of a material with good electrical conductivity, wherein the shield is surrounded by a cryostat including an interspace for the passage of a liquid cooling medium , the cryostat consists of two stainless steel tubes extending concentrically to each other, separated from each other by an intermediate space, which are evacuated and provided with superinsulation. Background technique [0002] A superconducting cable has an electrical conductor made of a specialized material that transitions to a superconducting state at a sufficiently low temperature. As a result, the electrical resistance of a correspondingly configured...

Claims

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Application Information

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IPC IPC(8): H01B12/00
CPCH01B12/16H01B12/02Y02E40/641F16L59/141Y10S505/885Y10S505/888Y10S505/887Y10S505/886Y02E40/60H01B12/00F17C3/085H01B12/06
Inventor 弗兰克·施米特克里斯琴·弗罗内雷纳·索卡克劳斯·希普尔阿诺·阿莱斯
Owner NEXANS
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