A method for connecting a high-voltage battery (2) to a high-voltage grid (3) using at least one relay (5) in a powertrain of an electric or hybrid vehicle, the method comprising: pre-charging the high-voltage grid (3) according to a preset pre-charging setpoint; the connection between the high-voltage battery (2) and the high-voltage network (3) is realized by closing the relay; measuring the difference between the voltage of the high-voltage battery (2) and the voltage of the high-voltage network (3) when the high-voltage battery (2) and the high-voltage network (3) are connected and the current of the high-voltage battery (2) is zero; and establishing a corrected pre-charge setpoint for a subsequent connection as a function of the measured difference between the high-voltage battery (2) and the high-voltage network (3).

    一种用于使用电动或混合动力车辆的动力传动系中的至少一个继电器(5)将高压电池(2)连接到高压电网(3)的方法,该方法包括:根据预设的预充电设定点对该高压电网(3)预充电;通过闭合该继电器来实现该高压电池(2)与该高压电网(3)之间的连接;当该高压电池(2)和该高压电网(3)连接并且该高压电池(2)的电流为零时,测量该高压电池(2)的电压与该高压电网(3)的电压之间的差值;以及根据该高压电池(2)与该高压电网(3)之间的测量差值来建立校正的预充电设定点,以用于后续连接。


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    Titel :

    Method for connecting high-voltage battery to high-voltage system in drive train of electric or hybrid vehicle


    Weitere Titelangaben:

    用于将高压电池连接到电动或混合动力车辆的传动系中的高压系统的方法


    Beteiligte:

    Erscheinungsdatum :

    07.06.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen



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