The invention relates to a motor vehicle comprising a generator, electrical loads, a first electrical energy store and a second electrical energy store connected in parallel to the first electrical energy store, wherein the two electrical energy stores have at least partially overlapping open-circuit voltage characteristic curves in the voltage range, wherein the first energy store has a first charging state-dependent internal resistance characteristic curve of charge and the second energy store has a second charging state-dependent internal resistance characteristic curve, the first energy store has a first charging state-dependent internal resistance characteristic curve of discharge and the second energy store has a second charging state-dependent internal resistance characteristic curve of discharge, such that the first internal resistance characteristic curve of charge extends over an entire relative charging state range in the direction of higher resistances above the second internal resistance characteristic curve of charge, the first internal resistance characteristic curve of discharge extends over an entire relative charging state range in the direction of higher resistances below the second internal resistance characteristic curve of discharge, and the two energy stores are interconnected in a neutral voltage range.
Coupling store device for a motor vehicle
2015-05-27
Patent
Electronic Resource
English
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 / 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 / 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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