Development of Large Scale Superconducting Magnet With Very Small Stray Magnetic Field for 2 MJ SMES

被引:13
作者
Wang, Qiuliang [1 ]
Dai, Yinming [1 ]
Zhao, Baozhi [1 ]
Song, Souseng [1 ]
Cao, Zhiqiang [1 ]
Chen, Shunzhong [1 ]
Zhang, Quan [1 ]
Wang, Housheng [1 ]
Cheng, Junsheng [1 ]
Lei, Yuangzhong [1 ]
Li, Xian [1 ]
Liu, Jianhua [1 ]
Zhao, Shangwu [1 ]
Zhang, Hongjie [1 ]
Xu, Guoxing [1 ]
Yang, Zaimin [1 ]
Hu, Xinning [1 ]
Liu, Haoyang [1 ]
Wang, Chunzhong [1 ]
Yan, Luguang [1 ]
机构
[1] Chinese Acad Sci, Inst Elect Engn, Beijing, Peoples R China
关键词
High storage energy density of SMES; superconducting magnet; zero vapor liquid helium; ZnO resistor;
D O I
10.1109/TASC.2009.2039471
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
A superconducting magnet for the superconducting magnetic energy storage system (SMES) fabricated by NbTi monolithic conductor is cooled down and operated at the temperature of liquid helium. The large-scale superconducting magnet with four parallel solenoids was designed, fabricated and tested for the high storage energy density SMES. The superconducting magnet stores 2 MJ of energy with a current of 490 A and a peak magnetic field of 5.4 T. Two GM cryo-coolers cool the whole system to realize zero evaporation of liquid helium. The high temperature superconducting current leads of Bi2223 are used and cooled through one GM cryocooler. The ZnO resistor is used to protect the superconducting magnet. In the paper, the system of superconducting magnet is introduced in detail for the superconducting magnetic energy storage system.
引用
收藏
页码:1352 / 1355
页数:4
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