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15 kV class high-voltage electrical vacuum feedthrough

文献类型：期刊论文

作者Pan, Wanjiang2; Zhu, Yinfeng3; Hu, Nannan1; Wu, Cheng2; Wang, Ke1; Cao, Yi2; Chen, Huang2
刊名CRYOGENICS
出版日期2018-09-01
卷号94页码:84-88
关键词High-voltage Feedthrough Tokamak Superconducting magnet Insulation Electric field Paschen discharge
ISSN号0011-2275
DOI10.1016/j.cryogenics.2018.04.004
通讯作者Zhu, Yinfeng(zhuyinfeng@sohu.com)
英文摘要In the feeder system of the Experimental Advanced Superconducting Tokamak (EAST), the high-voltage (HV) electrical vacuum feedthrough plays an important role in transmitting the voltage signals from one vacuum environment to anther vacuum environment under cryogenic temperature. Due to no commercial solutions, the feedthroughs for EAST were developed in the Institute of Plasma Physics, Chinese Academy of Sciences. In this paper, the structural design, electrical analysis, structural analysis and experiments involving thermal cycle, helium gas tightness, HV-leakage current and Paschen discharge are presented. The experimental result indicates that the leak rate of the developed feedthroughs was less than 1 x 10(-9) Pa.m(3).s(-1). After the 5 thermal cycles from room temperature (RT) to 77K, the HV-leakage current experiment under 10(-3) Pa vacuum environment and the Paschen discharge experiments of feedthroughs were performed, the leakage current under 15 kV DC is lower than the allowable value 5 mu A, and the leakage currents in helium gas and nitrogen gas from 1 Pa to 50 kPa are lower than the allowable value 10 mu A.
WOS关键词DESIGN ; INSULATION
资助项目National Basic Research Program of China[2008GB 102003] ; Natural Science Foundation of Anhui Province, China[1508085ME84]
WOS研究方向Thermodynamics ; Physics
语种英语
WOS记录号WOS:000445305600012
出版者ELSEVIER SCI LTD
资助机构National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/38904]  
专题合肥物质科学研究院_中科院等离子体物理研究所
通讯作者Zhu, Yinfeng
作者单位1.Yunnan Power Grid Co Ltd, Power Res Inst, Kunming 650217, Yunnan, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
3.Anhui Jianzhu Univ, Sch Mech & Elect Engn, Hefei 230601, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Pan, Wanjiang,Zhu, Yinfeng,Hu, Nannan,et al. 15 kV class high-voltage electrical vacuum feedthrough[J]. CRYOGENICS,2018,94:84-88.
APA Pan, Wanjiang.,Zhu, Yinfeng.,Hu, Nannan.,Wu, Cheng.,Wang, Ke.,...&Chen, Huang.(2018).15 kV class high-voltage electrical vacuum feedthrough.CRYOGENICS,94,84-88.
MLA Pan, Wanjiang,et al."15 kV class high-voltage electrical vacuum feedthrough".CRYOGENICS 94(2018):84-88.

入库方式： OAI收割

来源：合肥物质科学研究院

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