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Improved high-temperature superconducting binary current lead

A binary current lead, high-temperature superconducting technology, applied in superconducting devices, the usage of superconducting elements, superconducting/high-conducting conductors, etc. wear and other problems, to achieve the effect of reducing external protection devices and control circuits, improving protection and saving costs

Active Publication Date: 2014-03-12
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The superconducting current lead and the connected superconducting power device will suffer from a quench phenomenon due to excessive current, resulting in a rise in temperature. Local overheating may burn the insulating protective cover or melt the conductor. At the same time, the quench may also generate high voltage and cause insulation. A series of problems such as breakdown, so the protection of the current lead is very important. In the past patents related to the current lead, most of them were related to the optimized heat leakage of the current lead, and the factor of quench protection has not been considered

Method used

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  • Improved high-temperature superconducting binary current lead
  • Improved high-temperature superconducting binary current lead
  • Improved high-temperature superconducting binary current lead

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Embodiment 1

[0031] The improved high-temperature superconducting binary current lead of this embodiment includes a superconducting stack 1, a supporting frame 7 and a protective jacket 6; a rectangular groove is arranged on the cross section of the supporting frame 7, and the superconducting stack 1 is located in the rectangular groove, and Arranged on the support frame 7 in a parallel arrangement; the protective jacket 6 is located on the periphery of the support frame 7 .

[0032] The superconducting stack 1 includes superconducting strips 2 and copper wires 3 , the copper wires 3 are located between the superconducting strips 2 , and the superconducting stack 1 is fixed on the support frame 7 by nuts 4 .

[0033] The supporting frame 7 is provided with a hollow channel 5, and the supporting frame 7 is made of stainless steel, and the cross section is circular.

[0034] The copper wire 3 is connected in parallel with the superconducting strip 2 , and the length and width of the copper w...

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Abstract

The invention relates to an improved high-temperature superconducting binary current lead. The improved binary current lead is characterized in that the lead comprises superconducting stacks (1), a support skeleton (7) and a protective coat (6). A rectangular groove is arranged on a cross section of the support skeleton (7). The superconducting stacks (1) are in the rectangular groove and are arranged on the support skeleton (7) in a parallel arrangement pattern. And the protective coat (6) is at the outer area of the support skeleton (7). According the above-mentioned design of the binary current lead, an external protective device and control circuit are reduced; the binary current lead provide in the invention has advantages of simple structure, convenient assembly, and practical and feasible protection.

Description

technical field [0001] The invention relates to a binary current lead, in particular to a high-temperature superconducting binary current lead. Background technique [0002] The superconducting device works at a lower temperature, and usually needs to be powered by a room temperature power supply through a current lead. The current lead spans the room temperature region and the low temperature region of the superconducting device. The conventional upper current lead is made of copper. There are conduction heat generated along the leads and Joule heat generated by the current, and its leakage heat accounts for most of the heat leakage of the whole cryogenic system. To this end, a binary current lead is made of high-temperature superconducting material, the upper end of which is a copper lead, which is connected to a power supply at room temperature; the lower end is a high-temperature superconducting strip, which is connected to a superconducting magnet device at a low temper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B12/02
CPCY02E40/641Y02E40/60
Inventor 魏斌丘明谢治陈盼盼杨艳芳高超
Owner CHINA ELECTRIC POWER RES INST
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