The present invention relates to a method for transferring a charge from an electricity source to a battery means (21) of an electric device of a motor vehicle, said electric device including: a voltage converter (13) connected to the battery means (21), a capacitor connected to the voltage converter (13), a means for connecting the electric device, intended for being connected to the electricity source, a second voltage converter (14) connected between the first battery means (21) and the first converter (13) as well as to a second battery means (22). The method includes a step of connecting a means for connecting to the electricity source in order to enable a charge transfer towards the battery means (21). The method also includes a step of precharging the capacitor with a predetermined voltage from the voltage provided by the battery means (21) via the voltage converter (13), said precharging step being prior to the transfer of the charge from the electricity source to the battery means (21). During the precharging step, the second voltage converter (14) outputs, from the voltage supplied by the second battery means (22), an intermediate voltage from which the first voltage converter (13) precharges the capacitor at said predetermined voltage.
PROCEDE DE TRANSFERT DE CHARGE ET DISPOSITIF ELECTRIQUE ASSOCIÉ
CHARGE TRANSFER METHOD AND RELATED ELECTRIC DEVICE
LADUNGSÜBERTRAGUNGSVERFAHREN UND ZUGEHÖRIGE ELEKTRISCHE VORRICHTUNG
2017-12-06
Patent
Elektronische Ressource
Französisch
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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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