Battery voltage reduction

Details Battery voltage reduction Battery voltage reduction

2005-08-30

2005-08-30

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

06936995

ABSTRACT:
A regulator voltage control includes measuring a current of a battery, determining a state of charge (SOC) of the battery based on the current, and determining a nominal optimum charging voltage as a function of the SOC of the battery. The nominal optimum charging voltage is converted to a % duty cycle, and a generator is operated relative to the % duty cycle for charging the battery. The nominal optimum charging voltage is reduced when either a battery charge current is below a predetermined value, or a current drawing accessory is turned on.

REFERENCES:
patent: 3886442 (1975-05-01), Chiku et al.
patent: 4558281 (1985-12-01), Codd et al.
patent: 6404163 (2002-06-01), Kapsokavathis et al.

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