Cryostat vacuum thermal considerations for HTS power transmission cable systems

被引：15
|
作者：
Demko, JA [1 ]
Lue, JW
Gouge, MJ
Lindsay, D
Roden, M
Willen, D
Däumling, M
Fesmire, JE
Augustynowicz, SD
机构：
[1] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[2] Southwire Co, Carrollton, GA 30119 USA
[3] NASA, Kennedy Space Ctr, Cryogen Test Lab, Kennedy Space Ctr, FL 32899 USA
[4] NASA, Kennedy Space Ctr, Dynacs Inc, Kennedy Space Ctr, FL 32899 USA
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2003年 / 13卷 / 02期
关键词：
cryogenic; high-temperature superconductivity; power transmission lines;
D O I：
10.1109/TASC.2003.812956
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The use of high-temperature superconducting (HTS) materials for power transmission cable applications is being realized in several utility demonstration projects. Both room-temperature and cold-dielectric cable systems rely on a vacuum cryostat to keep the ambient thermal loads it a minimum. For long-term installations, operating 30 years or longer, the thermal-insulating vacuum pressure may increase in sections of a long length installation. Even if only a small section of the total length of the HTS cable system is affected, localized heating of the cable may reduce the performance of the HTS cable system. A study is presented of the effects of degraded vacuum levels on the operation of HTS cables for different cryogenic thermal insulation systems.
引用
收藏
页码：1930 / 1933
页数：4
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