The invention relates to a vehicle electrical system (2) for a motor vehicle, comprising: a first vehicle electrical system part (4) and a second vehicle electrical system part (6), the second vehicle electrical system part (6) having a main network (10) and a redundancy network (12); at least one non-safety-relevant load (14); at least one first safety-relevant load (16) in the main network (10); a second safety-relevant load (18) in the redundancy network (12), which second safety-relevant load is redundant to the first safety-relevant load (16); a first disconnecting element (20) for disconnecting the main network (10) from the redundancy network (12); and a power supply (22) for the loads (14, 16), which comprises a first DC-to-DC converter (24), which is connected to the first vehicle electrical system part (4) and the second vehicle electrical system part (6) and is arranged in the redundancy network (12) such that, by means of the first DC-to-DC converter (24), the supply of electrical power to the redundancy network (12) is ensured when the redundancy network is disconnected from the main network (10) by the first disconnecting element (20).
BORDNETZ FÜR EIN FAHRZEUG SOWIE FAHRZEUG
VEHICLE ELECTRICAL SYSTEM FOR A VEHICLE, AND VEHICLE
RÉSEAU DE BORD POUR UN VÉHICULE AINSI QUE VÉHICULE
12.05.2021
Patent
Elektronische Ressource
Deutsch
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 |