Misaligned Analysis of the 15 T Magnet in Super-X Facility

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Applied Superconductivity Pub Date : 2025-02-20 DOI:10.1109/TASC.2025.3543771

Yongsheng Wu;Houxiang Han;Lei Wu;Yi Shi;Yu Wu;Jinggang Qin

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Abstract

The Super-X facility for testing large size superconducting conductors is making significant progress. However, the magnetic force between two coils arises when the centers of their respective magnetic fields do not coincide. Coil misalignment is nearly unavoidable during the installation of magnets which will lead to this eccentric force. In particular, for suspended background magnet in Super-X facility, the eccentric force amplifies the stress on structural components, thereby potentially compromising the magnet's safe operation. Therefore, it is imperative to evaluate its impact on the structural components of the magnet. The pull rope structure of the background magnet is elaborated upon in this article, followed by the analysis of the electromagnetic force generated under different eccentricities of the magnet. Subsequently, the stresses on the structural components of the magnet with and without the pull rope structure are analyzed separately. The results demonstrate that the presence of a pull rope structure is crucial for withstanding magnet eccentricity. Thus far, it can be concluded that the mechanical performance of the magnet still meets the design requirements, taking into account coil misalignment.

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超级x装置中15t磁体的错位分析

用于测试大型超导体的“Super-X”设备正在取得重大进展。然而，当两个线圈各自的磁场中心不重合时，它们之间的磁力就会产生。在磁体安装过程中，线圈不对中几乎是不可避免的，这将导致这种偏心力。特别是在Super-X设施中，悬挂式背景磁铁的偏心力放大了结构部件上的应力，从而有可能影响磁铁的安全运行。因此，有必要评估其对磁体结构部件的影响。本文对背景磁铁的拉绳结构进行了阐述，分析了背景磁铁在不同偏心率下产生的电磁力。随后，分别分析了带和不带拉绳结构的磁体结构部件的应力。结果表明，拉绳结构的存在对抗磁体偏心是至关重要的。到目前为止，可以得出的结论是，考虑线圈不对中，磁体的机械性能仍然满足设计要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

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.