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Research on Forming Mechanism of Surface Discharge Paths for Solid Dielectric with Different Shapes under Micro-Second Impulse in Liquid Nitrogen

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成果类型:
期刊论文
作者:
Yang, Xin*;Zeng, Lingli;Tang, Xin;Song, Meng;Hu, Nannan;...
通讯作者:
Yang, Xin
作者机构:
[Yang, Xin; Zeng, Lingli] Changsha Univ Sci & Technol, Coll Elect & Informat Engn, Changsha 410114, Hunan, Peoples R China.
[Tang, Xin] Changsha Elect Power Tech Coll, Dept Elect Power, Changsha 410131, Hunan, Peoples R China.
[Song, Meng; Hu, Nannan] Guangdong Power Grid Corp, Elect Power Res Inst, Guangzhou 510080, Guangdong, Peoples R China.
[Wei, Bin; Qiu, Ming] China Elect Power Res Inst, Dept Elect Engn & New Mat, Beijing 100192, Peoples R China.
通讯机构:
[Yang, Xin] C
Changsha Univ Sci & Technol, Coll Elect & Informat Engn, Changsha 410114, Hunan, Peoples R China.
语种:
英文
关键词:
discharge paths;liquid nitrogen;micro-second impulse;Surface flashover;surface shapes
期刊:
IEEE Transactions on Dielectrics and Electrical Insulation
ISSN:
1070-9878
年:
2017
卷:
24
期:
6
页码:
3452-3459
基金类别:
This research is supported by National Natural Science Foundation of China (51407013 and 51607012) and we are grateful for the support.
机构署名:
本校为第一且通讯机构
院系归属:
电气与信息工程学院
摘要:
As the increasing of voltage grades for high temperature superconducting (HTS) devices, the research on characteristics of surface flashover and methods of improving the surface flashover voltages in liquid nitrogen are necessary. Designing different surface shapes of solid dielectric is a commonly used method to improve surface flashover voltage. But in liquid nitrogen, the related characteristics of surface flashover must be studied firstly. In this paper, several surface shapes of solid dielectric suitable for liquid nitrogen environment are designed, their surface discharge phenomenon is s...

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