H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 7/10 (2006.01) H02J 7/00 (2006.01) H02J 7/04 (2006.01)
Patent
CA 2250098
A charger for charging a rechargeable battery. The charger comprises a circuit for producing a charging current having a variable level and a control circuit for controlling the charging current. During a first charging period the current is maintained at a level to rapidly charge the battery at a rate in amperes which is greater than the capacity of the battery in ampere-hours. The controller includes means for interrupting the charging current for a predetermined interruption interval. During the interruption interval, the charging current is maintained at a non-zero value. The controller also includes means for determining a resistance free voltage for the battery. During a subsequent charging period, the charging current is controlled in response to the value of the resistance free voltage.
Chargeur permettant de charger une batterie rechargeable. Ledit chargeur comprend un circuit permettant de produire un courant de charge de niveau variable, et un circuit de régulation permettant de régler le courant de charge. Au cours d'une première période de charge, le courant est maintenu à un niveau permettant de charger rapidement la batterie selon un régime en ampères qui est supérieur à la capacité en ampèreheures de ladite batterie. Le dispositif de régulation comprend des moyens permettant d'interrompre le courant de charge pendant un intervalle de temps déterminé à l'avance. Au cours de l'intervalle d'interruption, le courant de charge est maintenu à une valeur non nulle. Le dispositif de régulation comprend également des moyens permettant de déterminer une tension hors résistance de la batterie. Au cours d'une période de charge ultérieure, le courant de charge est réglé suivant la valeur de la tension hors résistance.
Field Robert B.
Nor Jiri K.
Pavlovic Vladimir S.
Ecotality Inc.
Norvik Traction Inc.
Ridout & Maybee Llp
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