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Electromagnetic Forces and Structural Aspects in Multi-Solenoid Magnets for SMES

机译：用于SMES的多电磁线圈中的电磁力和结构方面

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Electromagnetic force among superconducting coils in SMES magnet consisting of multi-solenoid with parallel axes is a serious problem in engineering aspects. Because of very high current density and magnetic field exist inside the coil windings, the mutual reactive force between coils exhibits rather big magnitude that special measures should be taken to fasten each coil into a solid magnet. In this paper, electromagnetic forces among solenoids are numerically calculated based on the derivative of their mutual reactive energy, which equals the product of their mutual inductance by the currents in the coils. Besides, magnet supporting structures is proposed for a Mega-joule SMES magnet, which consists of four solenoids with parallel axes and opposite current directions between adjacent coils.

机译：在具有平行轴的多电磁体组成的SMES磁体中，超导线圈之间的电磁力在工程方面是一个严重的问题。由于线圈绕组内部存在非常高的电流密度和磁场，因此线圈之间的互作用力表现出很大的幅度，因此应采取特殊措施将每个线圈固定到固体磁体中。在本文中，螺线管之间的电磁力是基于它们的互感能的导数来计算的，该导数等于它们的互感乘以线圈中的电流的乘积。此外，提出了一种用于兆焦SMES磁体的磁体支撑结构，该磁体支撑结构由四个螺线管组成，这些螺线管的平行轴和相邻线圈之间的电流方向相反。

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来源
《Applied electromagnetics(III)》|2001年|p.69-72|共4页
会议地点 Hangzhou(CN);Hangzhou(CN)
作者
Yinming Dai; Yunjia Yu; Heli Nan; Yuanzhong Lei;
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作者单位

Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, China;

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原文格式 PDF
正文语种 eng
中图分类物理学;
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Electromagnetic Forces and Structural Aspects in Multi-Solenoid Magnets for SMES

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