高温超导内插磁体偏移的力磁耦合分析  

Analysis of magneto-mechanical coupling of offset in HTS insert magnet

作　　者：徐申楠 王秋良[2] 刘建华[2] 齐磊[1] Xu Shennan;Wang Qiuliang;Liu Jianhua;Qi Lei(School of Electrical and Electronic Engineering,North China Electric Power University,Beijing 102206,China;Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China)

机构地区：[1]华北电力大学电气与电子工程学院,北京102206 [2]中国科学院电工研究所,北京100190

出　　处：《低温与超导》2024年第6期13-19,共7页Cryogenics and Superconductivity

基　　金：国家自然科学基金(52293421)资助。

摘　　要：为探究内插线圈偏移问题对磁场均匀度的影响,利用有限元软件针对15 T高温超导内插磁体建立了完整的三维力磁耦合仿真数值模型,计算线圈偏移时的电磁力,分析稳态下的位移变化,采用敏度分析研究偏移量与磁场均匀度的关系。结果显示,磁场均匀度对内线圈偏移更敏感,偏移量保持在0.5 mm时能够将磁场均匀度保持较高水平。In order to investigate the influence of the insert coil offset problem on the magnetic field homogeneity,a complete three-dimensional magneto-mechanical coupling simulation numerical model was established for the 15 T high-temperature superconducting(HTS) insert magnet by using finite-element software,the electromagnetic force during coil offset was calculated,the displacement change in steady state was analysed,and investigated the relationship between the offset and the magnetic field homogeneity by employing the sensitivity analysis.The results show that the magnetic field homogeneity is more sensitive to the inner coil offset,and the magnetic field uniformity can be maintained at a high level when the offset is kept at 0.5 mm.

关 键 词：高温超导 内插磁体 偏移 力磁耦合 磁场均匀度 

分 类 号：TM26[一般工业技术—材料科学与工程]