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Current lead assembly for superconducting motor

A technology of current leads and superconducting motors, which is applied in the usage of superconducting elements, electrical components, electromechanical devices, etc., and can solve problems such as damage to superconducting strips

Inactive Publication Date: 2014-12-17
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the disadvantages of the existing current lead that may cause damage to the superconducting tape due to unstable connection with the superconducting tape during high-speed rotation, and propose a new current lead

Method used

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  • Current lead assembly for superconducting motor
  • Current lead assembly for superconducting motor
  • Current lead assembly for superconducting motor

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the drawings and specific embodiments:

[0019] Such as figure 1 As shown, the current lead of the present invention is composed of an epoxy base 1, a first copper lead 2, a second copper lead 3, a third copper lead 4, a fourth copper lead 5, and a copper cover plate 6. The epoxy base has four mounting surfaces for mounting copper leads, two concave surfaces 101 and 103 and two convex surfaces 102 and 104 respectively. The first copper lead 2 is mounted on the first concave surface 101, the second copper lead 3 is mounted on the first convex surface 102, the third copper lead 4 is mounted on the second concave surface 103, and the fourth copper lead 5 is mounted on the second convex surface. 104, such as Figure 2a with Figure 2b Shown. The current lead of the present invention can connect three superconducting coils in series, and the three superconducting coils are respectively connected to four ...

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Abstract

A current lead assembly for a superconducting motor comprises an epoxy base, a first copper lead, a second copper lead, a third copper lead, a fourth copper lead and a copper cover plate. Four mounting sides of the epoxy resin are used for mounting the copper leads and include two concave sides and two convex sides. The first copper lead is mounted on the first concave side. The second copper lead is mounted on the first convex side. The third copper lead is mounted on the second concave side. The fourth copper lead is mounted on the second convex side. The current lead assembly can be serially connected with three superconducting coils; the superconducting coils are sequentially connected with the four copper leads; a superconducting tape of every superconducting coil is serially connected to the copper leads by welding and is fastened with the copper cover plate.

Description

Technical field [0001] The invention relates to a series current lead applied to a superconducting motor. Background technique [0002] The superconducting motor is a new type of motor whose windings are wound with superconducting tape, which has the characteristics of low loss, light weight and high power density. The body of the superconducting tape is very fragile and easy to break, while the superconducting motor generates strong centrifugal force during the high-speed rotation, and the superconducting tape is easy to break. At present, the domestic and foreign superconducting motor projects generally adopt the welding process of red copper pillars and superconducting strips, and then install the red copper pillars and superconducting strips on the motor body by bolting and lashing. The treatment method will make the connection between the superconducting tape and the current lead unstable. Once the motor speed is too high, the superconducting tape may be damaged. Summary o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K55/04
CPCY02E40/60
Inventor 胡磊戴少涛张东王子凯周薇薇
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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