Superconducting cable

A technology of superconducting cables and superconducting wires, which is applied in the direction of superconducting devices, superconducting/high-conducting conductors, and the usage of superconducting elements. It can solve the problems of large bending radius of superconducting cables and cannot meet work requirements. Achieve the effect of reducing the bending radius

Active Publication Date: 2019-07-23
BEIJING EASTFORCE SUPERCONDUCTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing superconducting cable has the defect of large bending radius when turning, which cannot meet the working requirements under small bending radius

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] like figure 1 and Image 6 As shown, the superconducting cable provided by the embodiment of the present invention includes a superconducting wire 1 and a cable core 2. The superconducting wire 1 is helically wound on the cable core 2 along the length direction of the cable core 2. The cable core 2 is solid and Can be bent and deformed.

[0032] In the superconducting cable of the present invention, one or more superconducting wires are wound on one or more cable cores, and each superconducting wire is helically wound on the cable core along the extending direction of the cable core. Since the cable core can be bent and deformed, the guide wire can realize the overall deformability of the cable, and the bending radius of the cable core is greatly reduced compared with the hollow tubular cable core of the prior art when the cable core is solid, which is conducive to adapting to various practical situations. The bending deformation application requirements of the enviro...

Embodiment 2

[0040] like figure 2 As shown, the superconducting cable of this embodiment is basically the same as the first embodiment above, except that the superconducting wire 1 is a YBCO high-temperature superconducting wire coated with a polyimide rubber insulating layer 4, and the cable core 2 is a The polyimide glue insulation layer 4 is covered, and the cable core 2 is formed by twisting the carbon fiber core 3 . The first superconducting wire is first wound with a pitch of 8mm on the first cable core with a diameter of 8mm for 2 turns, then wound in the same form on the second cable core of the same specification, and then returns to the first cable The cable core is wound in this cycle. The second superconducting wire is first wound on the second cable core for 2 turns with a pitch of 8mm, and then wound in the same form on the first cable core of the same specification, and then Return to the second core and wind in this loop.

Embodiment 3

[0042] like image 3 As shown, the superconducting cable of this embodiment is basically the same as the first embodiment above, the difference is that the superconducting wire 1 is one, and the superconducting wire 1 is opposite to the cable core 2 in the form of forward rotation or anti-rotation single turn alternately. Winding root by root. The superconducting wire is wound on the first cable core with a clockwise forward rotation for 1 turn, and then on the second cable core with a counterclockwise anti-rotation for 1 turn, and then returns to the first cable core, and is wound in this cycle. The surface of the superconducting wire contacting the cable core in the cable is replaced to further reduce the AC loss.

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Abstract

The invention relates to the technical field of superconducting cables, in particular to a superconducting cable which comprises superconducting wires and cable cores, the superconducting wires are spirally wound on the cable cores in the length direction of the cable cores, and the cable cores are solid and can be bent and deformed. According to the superconducting cable, one or more superconducting wires are wound on one or more cable cores, each superconducting wire is spirally wound on the cable core in the extension direction of the cable core, the whole cable can be deformed due to the fact that the cable core of each superconducting wire can be bent and deformed, the bending radius of the cable core is greatly reduced compared with that of a hollow tubular cable core in the prior art under the condition that the cable core is solid, and bending deformation application requirements of various actual conditions can be met.

Description

technical field [0001] The invention relates to the technical field of superconducting cables, in particular to a superconducting cable. Background technique [0002] Superconducting materials can be widely used in large-scale power equipment due to their unimpeded high current density characteristics. With the continuous rise of green energy-saving and environmental protection industries, the performance, output and stability of superconducting strips continue to improve, and high-temperature superconducting materials are about to usher in large-scale application. Due to factors such as limited critical current and limited stability of a single high-temperature superconducting tape, cables are used as the basic application structure in many applications of high-temperature superconducting tape. [0003] At present, the mature high-temperature superconducting cables are mainly used in DC transmission applications. In high-temperature superconducting power equipment, due to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B12/00H01B7/04
CPCH01B7/04H01B12/00Y02E40/60
Inventor 高琦赖凌峰王长滨岳宇宾赵凯
Owner BEIJING EASTFORCE SUPERCONDUCTING TECH
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