This work addresses the control of a high voltage, high power single phase rectifier suitable for traction applications. A multilevel H-bridge single phase configuration has been considered. Such a converter often presents instability problems making difficult its design and uncertain its behaviour. This paper proposes a new controller based on the passivity-based approach. Such a controller allows stability, unity-power factor, good balancing of the two DC links and a satisfactory transient behaviour even in presence of sudden load changes. A different choice of the damping parameters allows fulfilling the system requirements in terms of reduced DC link voltage error or low grid current distortion or to find an optimum trade-off between them. The better performance in comparison with a PI are demonstrated.


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    Title :

    A multilevel front-end stage for traction systems with a passivity-based controller


    Contributors:
    Dell'Aquila, A. (author) / Liserre, M. (author) / Monopoli, V.G. (author) / Cecati, C. (author)


    Publication date :

    2003


    Size :

    6 Seiten, 22 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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