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This paper proposes a modularized global architecture using multi-winding transformers for battery cell balancing. The global balancing for a series-connected battery string is achieved based on forward conversion in each battery module and based on flyback conversion among modules. The demagnetization of the multiwinding transformers is also simultaneously achieved by the flyback conversion among...
This paper proposes an equalizer using multi-winding transformers based on forward and flyback conversion. The voltage equalization can be achieved based on forward conversion in one group and flyback conversion among different groups. Contrary to the conventional equalizers using multi-winding transformers, the proposed equalizer only requires one MOSFET for each cell and does not need additional...
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