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Welding method, welding device and welded joint of high-temperature superconductor

A welding method, a technique for welding joints, used in connections, electrical components, circuits, etc.

Inactive Publication Date: 2020-01-07
SHENZHEN POWER SUPPLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a high-temperature superconductor welding me

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  • Welding method, welding device and welded joint of high-temperature superconductor
  • Welding method, welding device and welded joint of high-temperature superconductor
  • Welding method, welding device and welded joint of high-temperature superconductor

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Embodiment Construction

[0039] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0040] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to"...

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Abstract

The invention relates to a welding method, welding device and welded joint of a high-temperature superconductor. According to the welding method of the high-temperature superconductor, the lap joint areas of two strip-shaped high-temperature superconductors needing to be welded are polished, so that metal surface oxide layers can be removed; the polished lap joint areas are cleaned; the lap jointareas are welded together through solder, so that a welded joint can be formed; the lap joint length of the welded joint ranges from 60 mm to 80 mm; when the lap joint length of the welded joint is more than 60 mm, the decrease of welding resistance is not obvious anymore; and thus, when the lap joint length of the welded joint is 60 mm-80 mm, smaller lap joint resistance can be ensured, and the mechanical property of the strips can be ensured.

Description

technical field [0001] The present application relates to the technical field of superconducting cables, in particular to a high-temperature superconductor welding method, welding device and welding joint. Background technique [0002] High-temperature superconducting cables have many advantages such as low line loss, large transmission capacity, small corridor footprint, and environmental friendliness, providing an efficient, compact, reliable, and green power transmission method for the grid. Due to the low-voltage and high-current characteristics of superconducting cables, it has the potential to reduce the grid voltage level and simplify the grid structure, which is of great significance to the long-term development planning of the grid. [0003] Practical high-temperature superconductors are mainly the first-generation high-temperature superconductors and the second-generation high-temperature superconductors. The first generation of high-temperature superconductors is...

Claims

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Application Information

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IPC IPC(8): H01R43/02
CPCH01R43/02H01R43/0235H01R43/0263
Inventor 吴小辰胡子珩章彬汪桢子汪伟王哲马镇威李健伟
Owner SHENZHEN POWER SUPPLY BUREAU
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