A fault-tolerant method for H-bridge converter in power electronic traction transformer is proposed. This fault-tolerant mothed can ensure safe operation for H-bridge converter under open-circuit fault condition based on modulation reconstruction strategy. The faulty module can still transfer certain power. The influence of open-circuit fault on a single full-bridge circuit is illustrated, and the influence on modulation and PWM voltage is analyzed. Based on the analysis, the fault-tolerant method is given to reconstruct the modulations of both faulty module and normal modules with the change of current direction. Correctness and efficiency are validated through experimentation.


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    Titel :

    Fault-tolerant Method Based on Reconstructed Modulation for H-bridge Converter in Power Electronic Traction Transformer


    Beteiligte:
    Zhao, Nan (Autor:in) / Zheng, Zedong (Autor:in) / Li, Yongdong (Autor:in)


    Erscheinungsdatum :

    2021-06-21


    Format / Umfang :

    6354112 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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