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A rotary contact type high-current-carrying current lead device

A current lead and contact technology, which is applied in the field of rotary contact high-current-carrying current lead device, can solve the problems of low current flow capacity of the lead device and difficulty in realizing the critical current test of the superconducting strip, and achieve good stability Effect

Active Publication Date: 2020-07-24
CHINA ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

The current flow capacity of conventional current lead devices is not high, and it is difficult to test the critical current of single or multiple torsionally wound superconducting tapes

Method used

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  • A rotary contact type high-current-carrying current lead device
  • A rotary contact type high-current-carrying current lead device

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Embodiment Construction

[0024] Below will combine the appended in the embodiment of the present invention Figure 1~2 , clearly and completely describe the technical solutions in the embodiments of the present invention, obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] attached figure 1 is the front view of the rotating contact high current carrying current lead assembly, attached figure 2 It is a top view of the rotating contact current lead unit; the twisting of the superconducting strip can be artificially controlled through the external rotating operating part 1; The L-shaped fixing piece 7, the U-like fixing block 8 and the fastener 5 form a spring fixing unit, which together form a rotating contact current lead unit; ...

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Abstract

The invention relates to a rotary contact type high current-carrying capacity current lead device. The device comprises a connecting rod device and a spring fixing device; the connecting rod device isused for connecting an external rotary operation rod and fixing superconducting tapes so as to facilitate the winding of a composite superconducting tape; the spring fixing device is used for clamping the connecting rod and connecting an external current lead; and therefore, the test of the critical current of a parallel twisted-wound type composite tape can be realized. The rotary contact type high current-carrying capacity current lead device provided by the technical schemes of the invention can conduct current by means of rotatable contact. The rotary contact type high current-carrying capacity current lead device has the advantages of small contact resistance, easiness in control, high stability and the like.

Description

technical field [0001] The invention relates to a current drainage device, in particular to a rotary contact type high current-carrying current lead device. Background technique [0002] In recent years, with the continuous advancement of high-temperature superconducting material preparation technology, a series of superconducting materials with excellent performance have been manufactured, laying the foundation for the development of applied superconducting technology. However, in many superconducting power applications, it is found that the current-carrying capacity (100-300A) of a single superconducting tape can no longer meet the needs of high-current-carrying superconducting equipment, and composite winding technology is required to achieve large current-carrying currents. ability. Since the performance of the wound superconducting tape directly affects the practical application and development of superconducting devices, it is very important to test the wound supercon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B12/06H01B12/08
CPCH01B12/06H01B12/08Y02E40/60
Inventor 诸嘉慧刘二伟陈盼盼李振明魏斌高超
Owner CHINA ELECTRIC POWER RES INST
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