H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 7/00 (2006.01)
Patent
CA 2462029
A method for charging a lead acid storage battery to advantageously extend its life is described. The termination of a charging process is based upon an evaluation of the first derivative (dv/dt) and second derivative (d2v/dt2) of the applied charging voltage. By utilizing the first derivative (dv/dt) and second derivative (d2v/dt2) as charging criteria, an amount of overcharge is applied to the battery that takes into account the precise amount of amp-hours previously removed from the battery. A charger arrangement for performing a charging process of the invention also is described.
L'invention concerne un procédé permettant de charger un accumulateur au plomb de manière à allonger sa durée de vie. L'interruption du processus de charge est défini par évaluation d'une première dérivée (dv/dt) et d'une seconde dérivée (d2v/dt2) de la tension de charge appliquée. Lorsqu'on utilise cette première dérivée (dv/dt) et cette second dérivée (d2v/dt2) en tant que critère de charge, on applique à la batterie une surcharge qui prend en compte la quantité précise d'ampères-heures éliminés précédemment de la batterie. L'invention concerne également un système de chargeur permettant la mise en oeuvre du procédé de charge décrit.
Trojan Battery Company
Uren John Russell
LandOfFree
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