The application relates to an electrical vehicle charging device for charging an electrical vehicle with a DC voltage, including a power converter having an input side adapted for receiving an AC voltage from an AC grid or a DC voltage from a DC grid and an output side, a transformer having a primary side connected to the output side and a secondary side, a full wave rectifier having a first and a secondary input connected to the secondary side and a positive and a negative output, at least two output capacitors connected between respective end taps in series via a center tap and between the positive and a negative output, whereby the end taps are adapted for providing the DC voltage to the electrical vehicle, and a switch connected in series between the first or the secondary input and the center tap, and whereby the electrical vehicle charging device is adapted for closing and/or opening the switch depending on a DC voltage level required for charging the electrical vehicle.
ELECTRICAL VEHICLE CHARGING DEVICE FOR CHARGING AN ELECTICAL VEHICLE WITH A DC VOLTAGE
2020-05-21
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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