Battery stacks with many cells per string require sophisticated balancing hardware for capacity maximization, safe operation, and extended lifetime. This paper proposes a simplified control architecture for redistributive battery balancing topologies. A high level controller defines the link currents to be actuated by flyback DC/DC converters. Linear transformations are used to rewrite the balancing problem as a regulation problem that can be solved with a saturated LQR. To reduce the overall system complexity and cost, the low-level control requirements are minimized using feedforward approaches based on pulse width and pulse frequency modulation. The control system is developed using MATLAB/Simulink/PLECS and validated experimentally.


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    Titel :

    Simplified control for redistributive balancing systems using bidirectional flyback converters


    Beteiligte:
    McCurlie, Lucas (Autor:in) / Preindl, Matthias (Autor:in) / Malysz, Pawel (Autor:in) / Emadi, Ali (Autor:in)


    Erscheinungsdatum :

    2015-06-01


    Format / Umfang :

    2872647 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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