A method is for connecting a high-voltage battery to a high-voltage network using at least one relay in a powertrain of an electric or hybrid vehicle. The method includes precharging the high-voltage network according to a preset precharging setpoint; achieving connection between the high-voltage battery and the high-voltage network by closing the relay; measuring the difference between the voltage of the high-voltage battery and the voltage of the high-voltage network when the high-voltage battery and the high-voltage network are connected and the current of the high-voltage battery is zero; and establishing a corrected precharging setpoint depending on the measured difference between the high-voltage battery and the high-voltage network for a subsequent connection.
METHOD FOR CONNECTING A HIGH-VOLTAGE BATTERY TO A HIGH-VOLTAGE SYSTEM IN A DRIVETRAIN OF AN ELECTRIC OR HYBRID VEHICLE
2024-12-19
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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