Effect of arc time on the current breaking capability of vacuum interrupters

被引：0
|
作者：
Taylor, E. D. [1 ]
Lawall, A. [1 ]
Genzmer, J. [1 ]
Heydenreich, T. [1 ]
机构：
[1] Siemens AG, Berlin, Germany
来源：
2013 2ND INTERNATIONAL CONFERENCE ON ELECTRIC POWER EQUIPMENT - SWITCHING TECHNOLOGY (ICEPE-ST) | 2013年
关键词：
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Vacuum interrupters on medium voltage power systems need to interrupt short-circuit currents over a wide range of arc times. Synthetic testing allows the careful study of the interruption performance over arc times ranging from 0 to 13.3ms for a 50Hz system. Comparing the interruption performance as a function of arc time observed in single- and three-phase direct testing and single- phase synthetic testing gives good agreement. This agreement extends over different rating points, different contact designs, and different arc control methods. Additional tests compared synthetic tests with and without re-ignition for arc times greater than 10ms.
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页数：4
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