Inductance of Low-Frequency Small-Scale High-Temperature Superconducting Coils

被引：14

作者：

Chen, Siwei ^{[1
,2
,3
]}

Gu, Chen ^{[4
]}

Li, Yi ^{[5
]}

Lai, Lingfeng ^{[6
]}

Qu, Timing ^{[7
]}

Hu, Nannan ^{[8
]}

Song, Meng ^{[8
]}

Zou, Shengnan ^{[9
]}

Yue, Yubin ^{[6
]}

机构：

[1] Beijing Eastforce Superconducting Thchnol Co Ltd, Beijing 100085, Peoples R China

[2] Univ Houston, Texas Ctr Superconduct, Adv Mfg Inst, Houston, TX 77204 USA

[3] Univ Houston, Dept Mech Engn, Houston, TX 77204 USA

[4] Tsinghua Univ, Teaching Ctr Expt Expt Phys, Beijing 100084, Peoples R China

[5] MIT, Francis Bitter Magnet Lab Plasma Sci & Fus Ctr, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[6] Beijing Eastforce Superconducting Technol Co Ltd, Beijing 100085, Peoples R China

[7] Tsinghua Univ, Key Lab Adv Mat Proc Technol, Dept Mech Engn, Beijing 100084, Peoples R China

[8] Power Res Inst Guangdong Grid Co, Guangzhou 510080, Guangdong, Peoples R China

[9] Chinese Acad Sci, Haixi Inst, Quanzhou Inst Equipment Mfg, Jinjiang 362200, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2019年 / 29卷 / 05期

基金：

中国国家自然科学基金;

关键词：

High-temperature superconductors; inductance; superconducting coils;

D O I：

10.1109/TASC.2019.2897868

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：

Inductance is a very commonly used electrical parameter in transient progress analysis, as well as in energy storage evaluations. It was normally considered as constant when the geometrical configuration of a coil is determined. However, experiments on Bi-2223 (Bi2Sr2Ca2Cu3O10+x) and YBCO (YBa2Cu4O7-x) coils, both show 10% rise inductance while increasing the applied current. The inductance grows approximately a linear relationship from its minimum to maximum. We used both theoretical and experimental analysis to deeply understand the mechanism of the variation in terms of current distribution in high-temperature superconducting (HTS) coils. Taking this inductance change into account would benefit the accuracy in energy storage applications and in transient analysis occasions. Besides, inductance controllable devices could be achieved by manipulating the bias current applied on HTS coils.

引用

页数：4

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