Reliability study on smart electricity meter

摘要

In order to evaluate the performance of smart electricity meter (SEM), this paper studies the reliability of the SEM. We introduce the indication of the reliability and analyze the standards and documents relevant to SEM. Then, we use the component stress method to predict the reliability of SEM based on the study of SEM. Finally, through an example, we obtain the expected failure rate of SEM from the kind of DDZY102C-Z produced by the Wasion Group through the method proposed. The result of the predicted reliability of the SEM is 5640.43 FIT (failure in time: 10-9Failures/h). Furthermore, in order to validate the proposed method, accelerated test is taken to assess the reliability of the smart electricity meter, and the experimental results show that the predicted reliability of the SEM has a high credibility.