Battery parameter measurement

Details Battery parameter measurement Battery parameter measurement

G - Physics

01

R

G01R 31/36 (2006.01)

Patent

CA 2325378

A method and system for evaluating lead-acid battery jars in a battery backup or standby system applies, in a stepwise manner, a current load across a group of adjacent jars (38). Voltage measurements are taken (20) across each jar in the group at various times during the application (24) of the current load. These measurements are utilized to calculate the ohmic resistance, the charge transfer resistance and the double layer capacitance of each jar.

L 'invention porte sur un procédé et un système d'évaluation paramétrique des réceptacles des accumulateurs au plomb dans un système auxiliaire ou de secours d'accumulateur. Ce procédé consiste à appliquer progressivement une charge de courant dans un groupe de réceptacles (38) adjacents. On mesure (20) la tension dans chaque réceptacle, à divers moments, lors de l'application (24) de cette charge de courant. Les mesures obtenues sont utilisées pour calculer la résistance ohmique, la résistance du transfert de charge et la capacitance double couche de chaque réceptacle.

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