Cooling system for China’s 35 kV/2.2kA/1.2 km high-temperature superconducting cable achieves two-year successful operation

IF 5.6 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC Superconductivity Pub Date : 2024-06-01 DOI:10.1016/j.supcon.2024.100100
Yunwu Han , Xihua Zong , Wei Xie
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Abstract

In December 2021, a 1.2 km high-temperature superconducting (HTS) cable, Xuhui HTS Cable Project, was completed and installed in Xuhui district, Shanghai, China. A cooling system with three refrigerators and two liquid nitrogen (LN2) pumps was developed for this km-class cable. Now, this cooling system has worked successfully for two years without faults. This is a great progress for km-class HTS power cable technique, which is validating the reliability and commercial value of HTS power transmission.

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中国 35 千伏/2.2千安/1.2 千米高温超导电缆冷却系统成功运行两年
2021 年 12 月,一条 1.2 公里长的高温超导(HTS)电缆--徐汇高温超导电缆项目--在中国上海徐汇区建成并安装。为这条千米级电缆开发了一套冷却系统,包括三台制冷机和两台液氮(LN2)泵。目前,该冷却系统已成功运行两年,未出现任何故障。这是千米级 HTS 电力电缆技术的一大进步,验证了 HTS 输电的可靠性和商业价值。
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