On-line battery impedance measurement

Details On-line battery impedance measurement On-line battery impedance measurement

G - Physics

01

R

G01R 31/36 (2006.01)

Patent

CA 2101475

Impedance measurement of battery cells within a battery system comprising at least one string of battery cells is accomplished by dividing each of the strings into at least two portions. A loading current for measurement purposes is only imposed on a portion of one of the strings at any given time and battery cell voltage measurements are made only within this string portion.

On mesure l'impédance d'éléments d'accumulateur dans une batterie comprenant au moins un rang d'éléments en divisant chacun des rangs en au moins deux parties. On impose un charge électrique pour fins de mesure seulement à une partie de l'un des rangs à la fois et l'on mesure la tension des éléments d'accumulateur seulement dans cette partie du rang.

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