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Rail car for superconducting DC current limiter and method for disassembling and assembling superconducting DC current limiter

A technology of current limiter and rail car, which is applied in the usage of superconductor elements, emergency protection circuit devices for limiting overcurrent/overvoltage, circuit devices, etc., can solve the problems of not having the ability to clear line faults, etc., and achieve good Practical value, convenient operation and simple structure

Active Publication Date: 2021-10-01
西部超导材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the large-scale flexible DC transmission projects that have been put into operation do not have the ability to clear line faults. Therefore, quickly removing and isolating DC faults is an important development direction for the safety assurance of large-scale flexible DC transmission projects.

Method used

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  • Rail car for superconducting DC current limiter and method for disassembling and assembling superconducting DC current limiter
  • Rail car for superconducting DC current limiter and method for disassembling and assembling superconducting DC current limiter
  • Rail car for superconducting DC current limiter and method for disassembling and assembling superconducting DC current limiter

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] A rail car for a superconducting DC current limiter of the present invention, such as figure 1 Shown, comprise car body 7, car body 7 surface two ends are provided with inner support frame 6 and outer support frame 5; Car body 7 bottom is also provided with wheel 8, facilitates car body 7 to move; The connection is fixed by bolt a9.

[0032] Both the inner support frame 6 and the outer support frame 5 are in the shape of a right triangle, the triangle has stability, and the support stability is high.

[0033] The inner support frame 6 includes a hypotenuse 11, one end of the hypotenuse 11 is connected to the right-angle side a13 through the hinge a12, the other end of the hypotenuse 11 is connected to the right-angle side b15 through the bolt c14, and the right-angle side b15 and the right-angle side a13 are connected through the hing...

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Abstract

A rail car for a superconducting DC current limiter disclosed by the invention comprises a car body, an inner support frame and an outer support frame are arranged at both ends of the car body surface; wheels are also arranged at the bottom of the car body; the outer support frame and the car body are connected through bolts a fixed connection; the present invention also discloses a method for installing and dismounting the superconducting DC current limiter by using a rail car. The rail car of the present invention supports the inner and outer flanges respectively through the inner support frame and the outer support frame during the process of disassembly and assembly, so as to conveniently realize the integrated installation of the low-temperature Dewar of the large-scale superconducting DC current limiter, and at the same time, it is also beneficial Maintenance and replacement of the internal components of the superconducting DC current limiter in the later stage; the technical problems such as difficult disassembly, difficult hoisting, and inconvenient maintenance during the system integration assembly and maintenance test of the large superconducting DC current limiter are solved, and the structure is simple and the operation is convenient .

Description

technical field [0001] The invention belongs to the technical field of superconducting DC current limiter installation and maintenance equipment, and specifically relates to a rail car for a superconducting DC current limiter. The invention also relates to a method for disassembling a superconducting DC current limiter by using a rail car. The invention also relates to The invention relates to a method for assembling a superconducting DC current limiter by using a railcar. Background technique [0002] Flexible DC transmission technology is an important means for large-scale access and large-scale interconnection of renewable energy in the future. However, the large-scale flexible HVDC transmission projects that have been put into operation do not have the ability to clear line faults. Therefore, quickly removing and isolating DC faults is an important development direction for the safety assurance of large-scale flexible HVDC transmission projects. [0003] The superconduc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B3/00H02H9/02
CPCH02B3/00H02H9/023Y02E40/60
Inventor 周涛李超陈传王大友闫果张平祥
Owner 西部超导材料科技股份有限公司
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