Method for detecting a state of an electric system (150) in a motor vehicle, said electric system (150) comprising a generator unit that includes an electric machine (100) with a rotor winding (110) and a stator winding (120) as well as a rectifier (130) which is connected to the electric machine (100) and via which the electric system (150) is connected to the electric machine (100); in said method, a decision about the current state of the electric system (150), especially about the availability of a battery (200) of the electric system, is made in accordance with an excitation current (IE) flowing through the rotor winding (110) of the electric machine (100).
Method for detecting a state of a vehicle electric system
2021-04-27
Patent
Elektronische Ressource
Englisch
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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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