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High-temperature superconducting cable shunt refrigeration method and refrigeration shunt box for realizing method

A technology of high-temperature superconductivity and refrigeration methods, which is applied to superconducting devices, usage of superconductor elements, refrigerators, etc., and can solve problems such as insufficient refrigeration capacity and refrigeration of long-distance high-temperature superconducting cables, and achieve strong applicability and flexibility The effect of layout

Active Publication Date: 2014-08-20
云南电力试验研究院(集团)有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to provide a high-temperature superconducting cable shunt refrigeration method, which can solve the lack of refrigeration capacity of a single refrigeration station for high-temperature superconducting cables in the prior art, and solve the refrigeration problem of long-distance high-temperature superconducting cables

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  • High-temperature superconducting cable shunt refrigeration method and refrigeration shunt box for realizing method
  • High-temperature superconducting cable shunt refrigeration method and refrigeration shunt box for realizing method
  • High-temperature superconducting cable shunt refrigeration method and refrigeration shunt box for realizing method

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Embodiment Construction

[0040] The high-temperature superconducting cable refrigeration splitter box of the present invention utilizes a group of pipelines ( figure 1 In the shown embodiment, five sections of pipelines (t1, t2, t3, t4, t5) are used to establish a main pipeline and a liquid nitrogen shunt branch; wherein, the main pipeline is directly sleeved on the superconducting cable body, so The main pipeline described above includes three sections of pipelines t1, t5, and t2 before the diversion, after the diversion, and after the return; the liquid nitrogen diversion branch includes a pair of outlet and inlet branch pipelines t3 and t4, and the outlet and inlet branch pipelines They are respectively connected to the main road through three links. like figure 1 shown. The main pipeline of the high temperature superconducting cable refrigeration split box of the present invention is connected to the superconducting cable body 10 through two joints j1, j2, so that the liquid nitrogen in the supe...

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Abstract

The invention provides a high-temperature superconducting cable shunt refrigeration method and a high-temperature superconducting cable refrigeration shunt box for realizing the method. The high-temperature superconducting cable shunt refrigeration method comprises the following specific steps of: connecting the refrigeration shunt box with a high-temperature superconducting cable by virtue of a connector, shunting one part of liquid nitrogen in the high-temperature superconducting cable without interrupting the conductive part of the superconducting cable, and refrigerating the liquid nitrogen and then sending the liquid nitrogen back into the cable. The refrigeration shunt box utilizes one group of pipelines to establish one main pipeline and a liquid nitrogen distribution branch and is connected with a refrigeration station by virtue of a connector. The method and the box solve the problem of insufficient refrigerating capacity of the single refrigeration station of the long-distance high-temperature superconducting cable, and the refrigeration shunt box is flexible to install and arrange and is applicable to various structures of thermal-insulation superconducting cables and cold-insulation superconducting cables.

Description

technical field [0001] The invention relates to a low-temperature refrigeration device, in particular to a cooling shunt box mainly used for long-distance high-temperature superconducting cables and a method for shunting refrigeration of high-temperature superconducting cables. Background technique [0002] With the development of high-temperature superconducting material manufacturing technology and superconducting cable preparation technology, the length of superconducting cables is increasing, and the transmission capacity is increasing. The practical engineering application of high temperature superconducting cables is gradually being carried out. Due to the body and pipeline of the superconducting cable working at the temperature of liquid nitrogen will absorb heat from the environment and the loss of electric energy transmitted by the superconducting cable itself, the increase of the transmission distance will inevitably lead to an increase in the heat load of the supe...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B12/16F25B41/00
CPCY02E40/647Y02E40/60
Inventor 洪辉陈志福牛国俊
Owner 云南电力试验研究院(集团)有限公司
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