ITER装置超导磁体线圈导体用超导电缆的绞制

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摘要超导磁体系统是国际热核聚变实验堆ITER装置的重要组成部分, 其超导磁体线圈采用CICC(cable-in-conduit conductors)导体绕制而成。本文介绍了CICC导体的结构及其管内超导电缆的绞制过程, 讨论了绞制参数对超导电缆交流损耗的影响。分析了绞制过程中放线张力和模具设置等因素对结构参数控制及其绞制质量的影响, 第1、2级子缆绞制过程中绞制单元收、放线张力需要实时精准控制以避免绞线单元发生伸细甚至拉断现象, 成品超导电缆绞制时的模具设置、模具数量和外径控制方法是超导电缆绞缆的关键, 需要多种、多个模具多种组合外径控制方式, 确定了超导电缆绞制技术方案, 并成功完成了一根长度为765m PF5型哑缆(dummy cable)研制。

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	滕玉平
	戴少涛
	魏周荣
	张应俊
	薛天军
	李英姿

关键词 ：国际热核聚变实验堆, 超导磁体, 线圈, 超导电缆, 绞缆, 交流损耗, 管内电缆导体CICC

Abstract：The superconducting magnet system is an important part of the ITER (international thermonuclear experimental reactor), where the CICC (cable-in-conduit conductors) was selected to be the conductor. This paper concerns to the cabling technique for the superconducting cable. The outer diameter controlling technique and the link between AC loss and structure parameters of the superconducting cable are discussed. The factors, such as the tensile of spooling and off-spooling for strands or sub-cables and setting for dies, which impact on the controlling for cabling parameter and the quality for cabling are analyzed. To avoid the elongation or even breakage, on the unit of cabling, the tensile stress of off-spooling for the cabling of the 1st and the 2nd sub-cables must to be controlled smartly in real-time. Both the quantity and setting methods for dies, and controlling method to outer diameter of the final cable are the key factors for cabling. And several different dies and setting modes for dies are necessary to control the outer diameter. The cabling process and the technique route are fixed and a 765m long dummy cable of CICC was manufactured for ITER the last.

Key words： ITER superconducting magnet coil superconducting cable cabling AC loss CICC

收稿日期: 2012-01-15 出版日期: 2014-03-25

PACS:

TM464

基金资助:国家重点基础研究发展计划(973计划)资助项目(2008CB717904)。

作者简介: 滕玉平男, 1970年生, 高级工程师, 主要从事超导电力技术研究。戴少涛男, 1972年生, 研究员, 主要从事超导电力研究。

引用本文:

滕玉平, 戴少涛, 魏周荣, 张应俊, 薛天军, 李英姿. ITER装置超导磁体线圈导体用超导电缆的绞制[J]. 电工技术学报, 2013, 28(4): 7-12. Teng Yuping, Dai Shaodao, Wei Zhourong, Zhang Yinjun, Xue Tianjun, Li Yingzi. Cabling for the Superconducting Cable of Magnet Coils for ITER. Transactions of China Electrotechnical Society, 2013, 28(4): 7-12.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I4/7

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