METHOD AND ARRANGMENT FOR CLASSIFYING A VOLTAGE FAULT CONDITION IN AN ELECTRICAL STORAGE SYSTEM

The present invention relates to a method and arrangement for classifying a voltage fault condition of a battery comprising a plurality of cells for a vehicle. The method comprises detecting a cell voltage of one of the cells (S1), determining that the cell has a voltage fault condition based on the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEGNEDAHL, Niklas, BRYNGELSSON, Hanna
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TESTING
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Beschreibung
Zusammenfassung:	The present invention relates to a method and arrangement for classifying a voltage fault condition of a battery comprising a plurality of cells for a vehicle. The method comprises detecting a cell voltage of one of the cells (S1), determining that the cell has a voltage fault condition based on the cell voltage being outside a predetermined voltage range (S2), classifying the severity of the voltage fault condition based on the cell voltage (S3), performing at least one diagnostic test routine, based on the severity of the voltage fault condition (S4), to provide a cause for the voltage fault condition, selecting and adapting a battery operation condition, based on the severity of the voltage fault condition and the cause, such that the battery is enabled to continue to operate the vehicle (S5).