It is provided an on-board charger (OBC), comprising a power factor corrector (PFC) comprising a three phase active front end (AFE) connected to an AC electrical grid, a DC/DC converter receiving a regulated DC voltage from the PFC and configured to charge a high voltage battery, the OBC comprises means that configure the OBC to extract a total power which is equal to a maximum power extracted from a three phase electrical gridPMAX3Øfrom any type of AC electrical grid to which the OBC is connected, the means comprising three switches SW1, SW2 and SW3 and a diodes arm having diodes D1 and D2.
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