Reliability metrics extraction for power electronics converter stressed by thermal cycles

Ke Ma, Uimin Choi, Frede Blaabjerg

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

3 Citations (Scopus)

Abstract

Due to the continuous demands for highly reliable and cost-effective power conversion, the quantified reliability performances of the power electronics converter are becoming emerging needs. The existing reliability modelling approaches for the power electronics converter mainly focuses on the predictions of lifetime, accumulated damage, constant failure rate or Mean-Time-To-Failure (MTTF), while the time-varying and probability-distributed characteristics of the reliability are rarely involved. In this paper, more complete metrics are introduced to quantify and characterize the reliability performance of power electronics system. The final predicted results showed good accuracy with much more reliability information compared to the existing approaches, and the quantified reliability correlation to the mission profiles of converter is mathematically established.
Original languageEnglish
Title of host publicationProceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE)
Number of pages6
PublisherIEEE Press
Publication dateOct 2017
Pages3838-3843
ISBN (Electronic)978-1-5090-2998-3
DOIs
Publication statusPublished - Oct 2017
Event2017 IEEE Energy Conversion Congress and Exposition (ECCE) - Cincinnati, Ohio, United States
Duration: 1 Oct 20175 Oct 2017

Conference

Conference2017 IEEE Energy Conversion Congress and Exposition (ECCE)
Country/TerritoryUnited States
CityCincinnati, Ohio
Period01/10/201705/10/2017

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