New Approaches to Reliability Assessment: Using physics-of-failure for prediction and design in power electronics systems

Ke Ma, Huai Wang, Frede Blaabjerg

    Research output: Contribution to specialist publicationArticle

    130 Scopus citations

    Abstract

    Power electronics are facing continuous pressure to be cheaper and smaller, have a higher power density, and, in some cases, also operate at higher temperatures. At the same time, power electronics products are expected to have reduced failures because it is essential for reducing the cost of energy. New approaches for reliability assessment are being taken in the design phase of power electronics systems based on the physics-of-failure in components. In this approach, many new methods, such as multidisciplinary simulation tools, strength testing of components, translation of mission profiles, and statistical analysis, are involved to enable better prediction and design of reliability for products. This article gives an overview of the new design flow in the reliability engineering of power electronics from the system-level point of view and discusses some of the emerging needs for the technology in this field.

    Original languageBritish English
    Pages28-41
    Number of pages14
    Volume3
    No4
    Specialist publicationIEEE Power Electronics Magazine
    DOIs
    StatePublished - Dec 2016

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