The present disclosure relates to a power supply and distribution system (1) for an electric vehicle, comprising: a high voltage power source (2) connected to a first DC-DC converter (DCDC1) and a second DC-DC converter (DCDC2), each of the first DC-DC converter (DCDC1) and the second DC-DC converter (DCDC2), generating a low voltage direct current to a first main supply line (PS1) for the first set of key low voltage devices (DCDC2) and a second main supply line (PS2) for the second set of key low voltage devices (5), respectively; wherein the first main power supply line (PS1) and the second main power supply line (PS2) are connected in parallel to the variable electrical load (VEL) via a double back-to-back switch unit (SW), and the double back-to-back switches (SW) comprise a first back-to-back switch (SW1) and a second back-to-back switch (SW2), each of which is individually controlled by at least a first microcontroller unit (MCU1). The present disclosure also relates to a method for operating a power supply system (1) of an electric vehicle.

    本公开内容涉及一种用于电动车辆的电力供应和分配系统(1),包括:连接至第一DC‑DC转换器(DCDC1)和第二DC‑DC转换器(DCDC2)的高电压电源(2),第一DC‑DC转换器(DCDC1)和第二DC‑DC转换器(DCDC2)中的每一者,分别产生低压直流电到用于第一组关键低压设备(DCDC2)的第一主供电线(PS1)和用于第二组关键低压设备(5)的第二主供电线(PS2);其中,第一主供电线(PS1)和第二主供电线(PS2)经由双背靠背开关单元(SW)并联连接至可变电负载(VEL),而所述双背靠背开关(SW)包括每一者由至少第一微控制器单元(MCU1)单独控制的第一背靠背开关(SW1)和第二背靠背开关(SW2)。本公开内容还涉及一种用于操作电动车辆的供电系统(1)的方法。


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    Title :

    Electric power supply and distribution system for electric vehicle and method for operating electric vehicle power supply system


    Additional title:

    用于电动车辆的电力供应和分配系统以及用于操作电动车辆供电系统的方法


    Contributors:

    Publication date :

    2025-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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