Transition and connection device for large-current high-temperature superconducting cable terminal

A high-temperature superconducting and transitional connection technology, which is applied in the direction of cable terminals and the usage of superconductor elements, can solve the problems of large contact resistance and small current-carrying capacity

Inactive Publication Date: 2012-07-18
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the disadvantages of large contact resistance and small current-carrying capacity of existing crimping sleeve-type current lead connection terminals, and propose a high-current high-temperature superconducting cable terminal transition connection device to solve the current problem of high-current superconducting cables. Transition connection between leads and conventional conductors

Method used

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  • Transition and connection device for large-current high-temperature superconducting cable terminal
  • Transition and connection device for large-current high-temperature superconducting cable terminal
  • Transition and connection device for large-current high-temperature superconducting cable terminal

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] As shown in FIG. 1 , the device of the present invention includes a conventional conductor 1 , an Ω-type current lead terminal and a transition metal plate 2 . Wherein, the Ω-shaped current lead terminal is divided into a connection section 6 of the Ω-shaped current lead terminal and a welding deformation transition section 3 of the Ω-shaped current lead terminal.

[0018] The bottom of the Ω-type current lead terminal is circular, and the circular part at the bottom of the Ω-type current lead terminal is the connection section 6 of the Ω-type current lead terminal; There is an indium metal plating layer 5; the upper straight plate part of the Ω-type current lead terminal is the welding deformation transition section 3 of the Ω-type current lead terminal, and several through holes 9 are evenly distributed on the welding deformation trans...

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Abstract

The invention relates to a transition and connection device for a large-current high-temperature superconducting cable terminal. An omega-shaped current lead connecting terminal of the transition and connection device is divided into an omega-shaped current lead connecting terminal connecting section (6) and an omega-shaped current lead connecting terminal welding deformation and transition section (3); the bottom part of the omega-shaped current lead connecting terminal is circular; a circular part at the bottom part of the omega-shaped current lead connecting terminal is the omega-shaped current lead connecting terminal connecting section (6); an indium metal coating (5) is coated on the inner circular arc surface of the omega-shaped current lead connecting terminal connecting section (6); and a straight plate part at the upper part of the omega-shaped current lead connecting terminal is the omega-shaped current lead connecting terminal welding deformation and transition section (3). A transition metal plate (2) is connected between the omega-shaped current lead connecting terminal welding deformation and transition section (3) and a conventional conductor (1); and the transition metal plate (2) is welded between the omega-shaped current lead connecting terminal welding deformation and transition section (3) and the conventional conductor (1).

Description

technical field [0001] The invention relates to a terminal joint device, in particular to a terminal transition connection device for high-current high-temperature superconducting cables. Background technique [0002] The difference between high-temperature superconducting cables and conventional cables is that high-temperature superconducting cables use high-temperature superconducting materials with zero resistance and large current transmission characteristics as conductors, and use cheap liquid nitrogen as cooling medium, and their transmission capacity is that of conventional cables. 3 to 5 times, with the advantages of large transmission capacity, small electromagnetic pollution, and low loss, it is an important way to achieve large-capacity, low-loss power transmission. The high-temperature superconducting cable terminal is an important part of the high-temperature superconducting cable system. The high-temperature superconducting cable terminal includes three parts: ...

Claims

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Application Information

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IPC IPC(8): H02G15/02
CPCY02E40/648Y02E40/60
Inventor 滕玉平戴少涛高智远朱志芹张丰元
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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