Design of Magnetic Shield and System Test of Strong Static Magnetic Field for ITER Radial X-Ray Camera Electronics

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY Instruments and Experimental Techniques Pub Date : 2024-07-08 DOI:10.1134/s0020441224700337

Qiang Li, Liqun Hu, Hongrui Cao, Jinglong Zhao, Kaiyun Chen, Li Jiang, Hong Yu, Weikun Chen, Yongqiang Zhang

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Abstract

The intense magnetic field surrounding the electronic system in the ITER Tokamak necessitates the use of magnetic field shielding to protect electronic devices from failure. To ensure that the components installed in these areas can withstand ITER’s magnetic environment, they must be tested beforehand for magnetic field tolerance. This paper presents a magnetic shielding design for the Radial X-ray Camera (RXC) electronic system in ITER, silicon steel sheet is used as shielding material. The design scheme was simulated and analyzed using Ansys Maxwell software, and the shield shell was designed and optimized to reduce the magnetic induction intensity from 120 mT to less than 60 mT. To determine whether the magnetic field tolerance capability of the shield and electronic system meets ITER’s requirements, tests were conducted. Based on the experimental results, it has been observed that the shield is effective in shielding the magnetic field to 50–60 mT. Furthermore, the electronic system has been tested under a magnetic field intensity of 140 mT and 180 mT, and it has been found to be functioning normally, thereby meeting the requirements of ITER.

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国际热核聚变实验堆径向 X 射线照相机电子设备的磁屏蔽设计和强静态磁场系统测试

摘要热核实验堆托卡马克电子系统周围的强磁场要求使用磁场屏蔽，以保护电子设备不发生故障。为确保安装在这些区域的组件能够承受热核实验堆的磁场环境，必须事先对它们进行磁场耐受性测试。本文介绍了针对国际热核聚变实验堆径向 X 射线照相机（RXC）电子系统的磁屏蔽设计，使用硅钢片作为屏蔽材料。使用 Ansys Maxwell 软件对设计方案进行了模拟和分析，并对屏蔽外壳进行了设计和优化，以将磁感应强度从 120 mT 降低到 60 mT 以下。为确定屏蔽罩和电子系统的磁场耐受能力是否满足热核实验堆的要求，进行了相关测试。实验结果表明，屏蔽罩能有效屏蔽 50-60 mT 的磁场。此外，还在 140 mT 和 180 mT 的磁场强度下对电子系统进行了测试，发现其运行正常，因此符合热核实验堆的要求。

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来源期刊

Instruments and Experimental Techniques 工程技术-工程：综合

CiteScore

1.20

自引率

33.30%

发文量

113

审稿时长

4-8 weeks

期刊介绍： Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.