Performance and analysis of wireless power charging system from room temperature to HTS magnet via strong resonance coupling method

IF 0.2 Q4 PHYSICS, APPLIED

Progress in Superconductivity and Cryogenics Pub Date : 2016-03-31 DOI:10.9714/PSAC.2016.18.1.041

Y. Chung, C. Lee, S. Y. Lee, T. Lee, Jinseok Kim

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Abstract

The technology of supplying the electric power by wireless power transfer (WPT) is expected for the next generation power feeding system since it can supply the power to portable devices without any connectors through large air gap. As such a technology based on strongly coupled electromagnetic resonators is possible to deliver the large power and recharge them seamlessly; it has been considered as a noble option to wireless power charging system in the various power applications. Recently, various HTS wires have now been manufactured for demonstrations of transmission cables, motors, MAGLEV, and other electrical power components. However, since the HTS magnets have a lower index n value intrinsically, they are required to be charged from external power system through leads or internal power system. The portable area is limited as well as the cryogen system is bulkier. Thus, we proposed a novel design of wireless power charging system for superconducting HTS magnet (WPC4SM) based on resonance coupling method. As the novel system makes possible a wireless power charging using copper resonance coupled coils, it enables to portable charging conveniently in the superconducting applications. This paper presented the conceptual design and operating characteristics of WPC4SM using different shapes' copper resonance coil. The proposed system consists of four

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基于强共振耦合的室温至高温磁体无线充电系统性能分析

无线电力传输(WPT)技术可以在没有任何连接器的情况下，通过大的气隙向便携式设备供电，因此有望成为下一代供电系统。由于这种基于强耦合电磁谐振器的技术可以无缝地提供大功率并为其充电;在各种电源应用中，它被认为是无线充电系统的一种理想选择。最近，已经制造了各种HTS导线，用于传输电缆，电机，磁悬浮和其他电力组件的演示。然而，由于高温超导磁体本质上具有较低的指标n值，因此需要通过引线或内部电源系统从外部电源系统充电。可携带的面积是有限的，以及制冷机系统是笨重的。为此，我们提出了一种基于共振耦合方法的超导高温超导磁体无线充电系统的新设计。该系统使铜谐振耦合线圈无线充电成为可能，为超导应用中的便携式充电提供了方便。本文介绍了采用不同形状铜谐振线圈的WPC4SM的概念设计和工作特性。该系统由四个部分组成

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

Progress in Superconductivity and Cryogenics PHYSICS, APPLIED-

CiteScore

0.40

自引率

33.30%

发文量

期刊介绍： Progress in Superconductivity and Cryogenics is the official publication of The Korea Institute of Applied Superconductivity and Cryogenics and the Korean Superconductivity Society. It was launched in 1999, and accepts original research articles and review papers on research on superconductivity and related fields of physics, electronic devices, materials science, large-scale applications for magnets, power and energy, and cryogenics. The Journal is published quarterly in March, June, September, and December each year. Supplemental issues are published occasionally. The official title of the journal is ''Progress in Superconductivity and Cryogenics'' and the abbreviated title is ''Prog. Supercond. Cryog.'' All submitted manuscripts are peer-reviewed by two reviewers. The text must be written in English. All the articles in this journal are KCI and SCOPUS as of 2015. The URL address of the journal is http://psac.kisac.org where full text is available. This work was supported by the Korean Federation of Science and Technology Societies grant funded by the Korea government.