Fault tolerance in multiple-active bridge converters applied in smart transformers

Victor Ferreira, Giampaolo Buticchi, Braz Cardoso, Marco Liserre

    Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

    3 Citations (Scopus)

    Abstract

    Redundancy strategies have been used to ensure continuity of service facing catastrophic failure events in power converters. However, additional parts are needed, resulting in increased cost, size and weight. The increasing demand of high power density and low-cost systems, motivates more reliable converters with few additional parts. This work, address the scientific question on which modular dc-dc converter shall be selected to achieve a required residual power with minimum redundancy level. The Smart Transformer is used as a case study for a probability analysis of power derating, under successive failure events. It is shown that the Multiple-Active Bridge based converters have higher probability for more residual power in multiple failure scenarios, and ensure high reliability in long operating time with minimum redundancy level.

    Original languageEnglish
    Title of host publication2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9789075815313
    DOIs
    Publication statusPublished - Sept 2019
    Event21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe - Genova, Italy
    Duration: 3 Sept 20195 Sept 2019

    Publication series

    Name2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe

    Conference

    Conference21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe
    Country/TerritoryItaly
    CityGenova
    Period3/09/195/09/19

    Keywords

    • Dc dc
    • Fault Tolerance
    • MAB
    • Reliability
    • Smart Transformer

    ASJC Scopus subject areas

    • Mechanical Engineering
    • Electronic, Optical and Magnetic Materials
    • Control and Optimization
    • Energy Engineering and Power Technology
    • Electrical and Electronic Engineering

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