A Numerical Design of High-Resistance and Energy-Efficient HTS Switch Based on Dynamic Resistance

被引：4
|
作者：
Ma, J. [1 ,2 ,3 ]
Hu, J. [1 ]
Xiao, H. [2 ]
Luo, X. [2 ]
Xia, Y. [2 ]
Geng, J. [1 ,4 ]
Coombs, T. A. [1 ]
机构：
[1] Univ Cambridge, Engn Dept, Cambridge CB3 0FA, England
[2] Hunan Univ, Coll Elect & Informat Engn, Changsha 410012, Peoples R China
[3] Univ Bristol, Dept Elect & Elect Engn, Bristol BS8 1QU, England
[4] Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2023年 / 33卷 / 05期
关键词：
Switches; Resistance; Conductors; Yttrium barium copper oxide; Strips; Voltage; Magnetic fields; Power switch; HTS coated conductor; dynamic resistance; stabilizer layer; PERSISTENT CURRENT SWITCH; SUPERCONDUCTOR; SYSTEM;
D O I：
10.1109/TASC.2023.3252493
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：
Dynamic resistance effect introduces dissipative loss to the type-II high Tc superconductors, which is initially considered as a disadvantage for superconductors when it was first discovered. However, in some cases "dynamic resistance", a unique effect, can be effectively exploited. Based on the dynamic resistance effect, the AC-magnetic-field-actuated high temperature superconducting (HTS) power switch is developed. It is the key component in the HTS transformer-rectifier flux pump (TRFP). The operating characteristics of power switch are vital to the performance and reliability of the transformer rectifier flux pump. In this paper, we compare three designs of HTS power switch with different stabilizer structures: striated stabilizer layers with wide and narrow strips as well as original non-striated stabilizer layers. The performance of HTS power switch is evaluated by several criteria, including off-state voltage and resistance, temperature rise, power loss, and energy conversion efficiency. This study will help design high-performance, low-loss, and energy-efficient HTS power switch based on "dynamic resistance" effect.
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页数：5
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