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Manufacturing method for cable of high temperature superconducting material

A technology of superconducting materials and manufacturing methods, which is applied in the direction of cable/conductor manufacturing, circuits, electrical components, etc., can solve problems such as superconducting material sheath rupture, and achieve the effect of preventing fracture

Active Publication Date: 2016-10-05
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] Aiming at the requirement of high-field superconducting cables, the technology of the present invention designs a Bi-2212 superconducting cable by using the high-temperature superconducting material Bi-2212. The manufacturing method of the cable solves the problem that the superconducting material sheath is prone to rupture in the Bi-2212 superconducting cable

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  • Manufacturing method for cable of high temperature superconducting material
  • Manufacturing method for cable of high temperature superconducting material
  • Manufacturing method for cable of high temperature superconducting material

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Embodiment Construction

[0020] Since the Bi2212 superconducting material is expensive, it is necessary to save the superconducting wire as much as possible during the stranding process. During the twisting process, copper wires are used to butt it. In addition, the Bi2212 superconducting material is a ceramic material, which is relatively brittle. Excessive tension will cause the internal structure of the material to break and affect the performance of the material. During the stranding process, the tension is strictly controlled.

[0021] Such as Figure 1-3 Shown, a kind of manufacturing method of the cable of high temperature superconducting material, comprises the following steps:

[0022] Step 1: first connect the copper wire with the superconducting wire, and control the outer diameter of the joint within 2.0mm;

[0023] Step 2: Stranding of the first-level cable. Firstly, two superconducting wires are twisted on a single twisting machine. In order to ensure that the strands are not damaged ...

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Abstract

The invention discloses a manufacturing method for a cable of high temperature superconducting material. The manufacturing method comprises the following steps of connection of a copper wire and a superconducting wire, first-stage cable stranding, second-stage cable stranding, third-stage cable stranding, third-stage cable compression and silver band lamination. The cable of the high temperature superconducting material is used for the research and the development of a fusion reactor large-scale superconducting conductor, and the cable stranding technology can ensure that the superconducting strands are intact so that the phenomena of fracturing and flattening of the superconducting wire material can be effectively prevented.

Description

technical field [0001] The invention relates to the field of superconducting cables and superconducting wire stranded cables, in particular to a method for manufacturing cables made of high-temperature superconducting materials. Background technique [0002] Clean energy—the use of fusion energy is one of the dreams of human beings. The tokamak magnetic confinement nuclear fusion device is a reliable device for generating fusion energy. The full superconducting tokamak is an important guarantee for the continuous operation of the fusion reactor. On the basis of the successful establishment and operation of the EAST (Experimental Advanced Superconducting Tokamak) in China, China is actively carrying out the construction of the International Thermonuclear Experimental Reactor ITER (International Thermonuclear Experimental Reactor). At the same time, various countries have also started the pre-research work of the next-generation fusion reactor. The superconducting cable is an...

Claims

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Application Information

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IPC IPC(8): H01B13/00H01B13/02
CPCH01B13/00H01B13/02
Inventor 秦经刚戴超刘沛航刘勃张守华
Owner INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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