The Z-Source inverter enables a single stage buck-boost conversion which is a useful characteristic in battery supplied electric vehicles. However, the boost operation leads to additional losses in the semiconductors of the inverter. This paper presents a comparison of Z-Source two-level inverter and Z-Source NPC inverters with regard to their total semiconductor losses and loss distribution during boost operation. Furthermore, different topologies of the Z-Source NPC inverter are presented and their ability to short circuit the two Z-Source networks independently is discussed.


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    Title :

    A comparison of Z-Source three-level NPC inverter versus Z-Source two-level inverter


    Contributors:
    Tenner, S (author) / Hofmann, W (author)


    Publication date :

    2010-11-01


    Size :

    579035 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English