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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (3 ): 25-    DOI: 10.1631/jzus.2007.A0481
    
Study on reliability technology of contactor relay
LIU Guo-jin, ZHAO Jing-ying, WANG Hai-tao, YANG Chen-guang, SUN Shun-li
Postdoctor’s Work Station, Delixi Group Co., Ltd., Wenzhou 325604, China; Electrical Department, Hebei University of Technology, Tianjin 300130, China
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Abstract  In this paper, the reliability of contactor relay is studied. There are three main parts about reliability test and analysis. First, in order to analyze reliability level of contact relay, the failure ratio ranks are established as index base on the product level. Second, the reliability test method is put forward. The sample plan of reliability compliance test is gained from reliability sample theory. The failure criterion is ensured according to the failure modes of contactor relay. Third, after reliability test experiment, the analysis of failure physics is made and the failure reason is found.

Key words： Contactor relay      Reliability      Failure mode     
Received: 19 December 2006     
CLC:  TB114.3  
  O224  
  O211.6  
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LIU Guo-jin
ZHAO Jing-ying
WANG Hai-tao
YANG Chen-guang
SUN Shun-li
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LIU Guo-jin, ZHAO Jing-ying, WANG Hai-tao, YANG Chen-guang, SUN Shun-li. Study on reliability technology of contactor relay. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(3 ): 25-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A0481     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I3 /25

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