Study on the instantaneous protection reliability of low voltage circuit breakers

被引：0
|
作者：
Lu, Jianguo [1 ]
机构：
[1] Hebei Univ Technol, Elect Apparatus Inst 323, Tianjin 300130, Peoples R China
来源：
Proceedings of the 2nd International Conference on Reliability of Electrical Products and Electrical Contacts | 2007年
关键词：
low voltage circuit breakers; instantaneous protection reliability; non-periodic component of current; phase selective closing;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper outlines the significance of enhancing the instantaneous protection reliability of low voltage circuit breakers and describes the main failure modes of them. The instantaneous failure mechanism of low voltage circuit breakers is analyzed and thereby the measures of improving the instantaneous protection reliability of low voltage circuit breakers are put forward. Further_ more, the theory of the instantaneous characteristics calibration device for low voltage circuit breakers and the method of eliminating the non-periodic component of current are stated in detail. Finally, the test results are presented.
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页码：31 / 38
页数：8
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