Article

Journal of Zhejiang University SCIENCE A

, Volume 8, Issue 3, pp 481-484

Study on reliability technology of contactor relay

  • Liu Guo-jin Affiliated withPostdoctor’s Work Station, Delixi Group Co., Ltd.Electrical Department, Hebei University of Technology
  • , Zhao Jing-ying Affiliated withPostdoctor’s Work Station, Delixi Group Co., Ltd.Electrical Department, Hebei University of Technology
  • , Wang Hai-tao Affiliated withPostdoctor’s Work Station, Delixi Group Co., Ltd.
  • , Yang Chen-guang Affiliated withPostdoctor’s Work Station, Delixi Group Co., Ltd.
  • , Sun Shun-li Affiliated withPostdoctor’s Work Station, Delixi Group Co., Ltd.

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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

CLC number

TB114.3 O224 O211.6