Study on a new single coil-type axial magnetic field contact for high-voltage vacuum interrupters

被引:7
作者
Cheng, Shaoying [1 ]
Xiu, Shixin [1 ]
Liu, Zhiyuan [1 ]
Wang, Jimei [1 ]
机构
[1] Xi An Jiao Tong Univ, Dept Elect Engn, Xian 710049, Peoples R China
基金
中国国家自然科学基金;
关键词
axial magnetic field (AMF); single coil type; vacuum arc; vacuum interrupter;
D O I
10.1109/TPS.2007.893264
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
A new single coil-type axial magnetic field (AMF) contact for high-voltage vacuum interrupters is introduced. Its AMF characteristics were studied by a finite element method, taking the eddy current effect into account. Vacuum arc appearance of the new single coil-type AMF contact was observed by a highspeed charge-coupled device video camera. Capacitors and reactors (LC) discharging current interruption tests up to 45.0 kA were done with a single frequency LC oscillating circuit. Vacuum arc appearance of the single coil-type and slot-type AMF contacts was compared. The research results show that the new single coil-type AMF contact is more suitable for high-voltage vacuum interrupters than the slot-type AMF one.
引用
收藏
页码:425 / 433
页数:9
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