Proposed is a charging station for charging and/or discharging an energy store of an electric vehicle with/of electric energy by means of a polyphase supply system that can be coupled to the charging station, the charging station comprising: an AC-to-DC converter which can be coupled to a number of phases of the supply system; a DC link which is connected downstream of the AC-to-DC converter; and a bidirectional DC-to-DC converter, which is connected downstream of the DC link, for converting a DC link input voltage into an output voltage, and vice versa, said DC-to-DC converter comprising a series circuit consisting of two half bridges with four semiconductor switches, each half bridge being connected between a DC link voltage bus having a DC link voltage on the input side and a medium-voltage bus having a symmetrical, in particular ground-symmetrical intermediate voltage, each center tap of the half bridge cooperating with a storage choke and a storage capacitor such that two bidirectional synchronous converters are connected in series, at least one snubber capacitor being connected to the center tap of each half bridge.
LADESTATION UND VERFAHREN ZUM BETREIBEN EINER LADESTATION
CHARGING STATION AND METHOD FOR OPERATING A CHARGING STATION
STATION DE CHARGE ET PROCÉDÉ POUR FAIRE FONCTIONNER UNE STATION DE CHARGE
07.02.2024
Patent
Elektronische Ressource
Deutsch
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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