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Cryostat of superconducting cable

A low-temperature maintenance, superconducting cable technology, applied in superconducting devices, usage of superconducting elements, cable accessories for low-temperature cables, etc., can solve problems such as damage, and achieve the effect of minimizing heat loss and relaxing thermal stress

Inactive Publication Date: 2010-08-18
LG CABLE LTD (KR)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a disadvantage that the entire vacuum state is destroyed in the case of repairing the terminal connection box or repairing the superconducting cable

Method used

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  • Cryostat of superconducting cable
  • Cryostat of superconducting cable
  • Cryostat of superconducting cable

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Embodiment Construction

[0017] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. In addition, the above-mentioned embodiment is only for explaining one embodiment of the present invention, and does not limit the technical idea, core structure and function of the present invention through the above-mentioned embodiment.

[0018] In the attached picture, figure 1 It is a schematic diagram showing a state in which a terminal connection box and a superconducting cable are installed according to an embodiment of the present invention, figure 2 yes means figure 1 A cross-sectional view of the corrugated portion is shown.

[0019] Such as figure 1 as well as figure 2 As shown, the superconducting cable 110 is connected to a terminal junction box 120 .

[0020] The terminal connection box 120 includes a cooling container 121 connected to the inner metal pipe 105 of the superconducting cable 110 and an insulating pipe 123 formed at a distance ...

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Abstract

A cryostat of a superconducting cable disclosed herein includes an inner metallic tube filled with liquid nitrogen and extended along the circumference of a core, an outer metallic tube surrounding the circumference of the inner metallic tube at a distance, a cooling vessel of a terminal connecting box connected to the inner metallic tube and filled with liquid nitrogen, an insulation tube surrounding the circumference of the cooling vessel at a distance, an inner bellows tube connecting an end of the outer metallic tube to the cooling vessel, and an outer bellows tube spaced apart from the inner bellows tube and connecting the end of the outer metallic tube to the insulation tube.

Description

technical field [0001] The present invention relates to a low-temperature keeping device for a superconducting cable, and more specifically, to a superconducting cable capable of buffering the stress generated by the difference in thermal contraction between the inner metal tube and the outer metal tube, and making the vacuum layer double low temperature holding device. Background technique [0002] The so-called superconducting phenomenon refers to the characteristic that the resistance is zero when a current flows through the conductor at an extremely low temperature state, and a superconducting cable is a power cable made to realize such a characteristic. In order to realize such a superconducting phenomenon, liquid nitrogen is used, and the conductor has superconducting properties at an extremely low temperature formed by liquid nitrogen. [0003] Also, a terminal connection box is installed at the terminal of the superconducting cable. A terminal conductor extending t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B12/16H02G15/34
CPCH01B12/16Y02E40/648H02G15/34Y02E40/60H01B7/42H01B7/423H01B12/00H01B17/54
Inventor 崔彰烈李秀吉金春东张铉万池奉基
Owner LG CABLE LTD (KR)
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