The invention relates to an on-board electrical system (1) for a motor vehicle, comprising an energy store (2) for temporarily storing electrical energy and a plurality of sub-electrical systems (4, 5) operated at the same voltage level. According to the invention, each of the sub-networks (4, 5) is electrically connected to an intermediate network (9) via at least one intermediate contactor (11, 12), the intermediate network is electrically connected to the energy store (2) via at least one main contactor (10), and one of the sub-networks (4, 5) has a pre-charging device (19) provided and designed to pre-charge a plurality of the sub-networks (4, 5). The invention further relates to a method for operating an on-board electrical system (1) for a motor vehicle.
本发明涉及一种用于机动车的车载电网(1),车载电网具有用于暂时存储电能的蓄能器(2)和多个在相同电压等级上运行的子电网(4、5)。在此规定,子电网(4、5)中的每一个均通过至少一个中间接触器(11、12)电联接在中间电网(9)上,中间电网通过至少一个主接触器(10)电联接在蓄能器(2)上,其中,子电网(4、5)中的一个具有被设置和设计成用于为子电网(4、5)中的多个子电网预充电的预充电装置(19)。此外,本发明涉及一种用于运行用于机动车的车载电网(1)的方法。
On-board electrical system for motor vehicle and method for operating on-board electrical system for motor vehicle
用于机动车的车载电网和用于运行用于机动车的车载电网的方法
2024-10-18
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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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