Transitioning to physics-of-failure as a reliability driver in power electronics

Wang Huai, Marco Liserre, Frede Blaabjerg, Peter De Place Rimmen, John B. Jacobsen, Thorkild Kvisgaard, Jorn Landkildehus

    Research output: Contribution to journalArticlepeer-review

    577 Scopus citations


    Power electronics has progressively gained an important status in power generation, distribution, and consumption. With more than 70% of electricity processed through power electronics, recent research endeavors to improve the reliability of power electronic systems to comply with more stringent constraints on cost, safety, and availability in various applications. This paper serves to give an overview of the major aspects of reliability in power electronics and to address the future trends in this multidisciplinary research direction. The ongoing paradigm shift in reliability research is presented first. Then, the three major aspects of power electronics reliability are discussed, respectively, which cover physics-of-failure analysis of critical power electronic components, state-of-the-art design for reliability process and robustness validation, and intelligent control and condition monitoring to achieve improved reliability under operation. Finally, the challenges and opportunities for achieving more reliable power electronic systems in the future are discussed.

    Original languageBritish English
    Article number6661372
    Pages (from-to)97-114
    Number of pages18
    JournalIEEE Journal of Emerging and Selected Topics in Power Electronics
    Issue number1
    StatePublished - 1 Mar 2014


    • Capacitors
    • design for reliability (DFR)
    • insulated-gate bipolar transistor (IGBT) modules
    • physics-of-failure (PoF)
    • power electronics
    • robustness validation


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