THREE-PHASE AND SINGLE-PHASE ELECTRIC CHARGER SYSTEM FOR ELECTRIC OR HYBRID VEHICLES

摘要

The present invention relates to an electrical system, intended to charge a battery, in particular on board a vehicle, said electrical system comprising: a three-phase AC-DC converter (PFC) comprising input terminals intended to be connected to an electrical network external, a high output terminal and a low output terminal, a DC-DC converter (LLC) composed of two DC-DC converter circuits (LLC1, LLC2), a first converter circuit (LLC1) having a high input terminal connected to the high output terminal of the AC-to-DC converter (PFC) and a second converter circuit (LLC2) having a low input terminal connected to the low output terminal of the AC-to-DC converter (PFC), the terminal of low input of the first DC-DC converter circuit (LLC1) being connected to the high input terminal of the second DC-DC converter circuit (LLC2), and, the high output terminal of the first converter circuit (LLC1) being connected to the high output terminal of the second converter circuit (LLC2) and the low output terminal of the first converter circuit (LLC1) being connected to the low output terminal of the second converter circuit (LLC2).