{"title":"Optimization Design of Superconducting Shielding Layer in Double-Stator HTS Electrical Machine","authors":"Qidong Zhan;Xianglin Li;Mingzhe Sang;Shaorui Wang;Zhiheng Zhang;Haoyu Wang;Xinkai Zhu;Wei Hua","doi":"10.1109/TASC.2025.3553833","DOIUrl":null,"url":null,"abstract":"High-temperature superconducting (HTS) electrical machines can offer high efficiency and power density, but the HTS magnets in these machines commonly suffer performance degradation caused by external alternating magnetic fields. Hence, superconducting shielding layers (SSLs) are used to enhance the critical current and reduce the AC loss of HTS magnets. Therefore, optimizing the design of SSLs is crucial to achieving the optimal performance of HTS magnets. In this paper, focusing on a double-stator HTS machine (DS-HTSM), a layered multi-objective optimization design based on parameter sensitivity analysis is conducted for SSLs, in which both the structural parameters and positions of SSLs are optimized simultaneously. A quantitative performance comparison of HTS magnets between initial and optimal design is conducted by using the finite element analysis (FEA), and the results demonstrate an improvement in the critical current safety margin, a significant reduction in AC loss, and effective space utilization, thus providing valuable insights for the design of high-performance HTS electrical machines.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"35 5","pages":"1-7"},"PeriodicalIF":1.7000,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Applied Superconductivity","FirstCategoryId":"101","ListUrlMain":"https://ieeexplore.ieee.org/document/10937753/","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
High-temperature superconducting (HTS) electrical machines can offer high efficiency and power density, but the HTS magnets in these machines commonly suffer performance degradation caused by external alternating magnetic fields. Hence, superconducting shielding layers (SSLs) are used to enhance the critical current and reduce the AC loss of HTS magnets. Therefore, optimizing the design of SSLs is crucial to achieving the optimal performance of HTS magnets. In this paper, focusing on a double-stator HTS machine (DS-HTSM), a layered multi-objective optimization design based on parameter sensitivity analysis is conducted for SSLs, in which both the structural parameters and positions of SSLs are optimized simultaneously. A quantitative performance comparison of HTS magnets between initial and optimal design is conducted by using the finite element analysis (FEA), and the results demonstrate an improvement in the critical current safety margin, a significant reduction in AC loss, and effective space utilization, thus providing valuable insights for the design of high-performance HTS electrical machines.
期刊介绍:
IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.