Cryogenic System of the 10m-10.5kV/1.5kA Three-phase High Temperature Superconducting Cable Plant

doi:10.3969/j.issn.0253-4339.2005.01.011

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Cryogenic System of the 10m-10.5kV/1.5kA Three-phase High Temperature Superconducting Cable Plant

更新时间：2025-02-26

- Cryogenic System of the 10m-10.5kV/1.5kA Three-phase High Temperature Superconducting Cable Plant
- Journal of Refrigeration Issue 1, (2005)
- 作者机构：
  
  [1]中国科学院理化技术研究所,北京100080 [2]中国科学院电工研究所,北京,100080
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2005.01.011
  CLC：
- Published：2005
- 稿件说明：
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Cryogenic System of the 10m-10.5kV/1.5kA Three-phase High Temperature Superconducting Cable Plant[J]. Journal of refrigeration, 2005, (1).
DOI：

Cryogenic System of the 10m-10.5kV/1.5kA Three-phase High Temperature Superconducting Cable Plant[J]. Journal of refrigeration, 2005, (1). DOI： 10.3969/j.issn.0253-4339.2005.01.011.

摘要

低温系统是该试验装置的一个主要分系统

采用增压过冷液氮冷却高温超导电缆及其电流引线

是国内首次采用过冷液氮循环冷却高温超导电缆的低温系统.低温系统包括两大部分:过冷液氮循环部分和制冷部分.在过冷液氮循环部分

以低温泵的扬程作为循环流动动力

液氮通过与制冷部分的热交换

获取冷量

被输送到高温超导电缆低温容器和终端

液氮通过与电缆的换热释放其冷量

最后回到气液分离器

进入下一个循环过程.制冷部分采用液氮减压降温获取冷量

其最大制冷量3.3kW

液氮消耗72 L/h.

Abstract

one of the main sub-systems of the experimental device

a cryogenic system uses the sub-cooled liquid nitrogen (LN 2) pressurized to cool the HTS cable and its terminations. This cryogenic system has the sub-cooled LN 2 cycle part and the refrigeration part. The former applies a cryogenic pump to force LN 2 through a heat exchanger in the sub-cooler

the three-phase HTS cable cryostats

and a LN 2 gas-liquid separator. The latter is designed for getting the cooling capacity by decompressing LN 2 to sub-atmosphere

and its maximum cooling capacity is about 3.3 kW and the LN 2 consumed is 72 L/h.

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