Battery state of charge gauge

Details Battery state of charge gauge Battery state of charge gauge

1983-08-08

1986-06-17

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324431, 324434, 364483, G01N 2746

Patent

active

045958807

ABSTRACT:
A method of computing the state of charge for a battery including the steps of sensing the battery voltage and current, and computing the used battery capacity, C.sub.u, and the average battery current, I. The total battery capacity, C.sub.t is calculated from average current using the Peukert equation. The state of charge is calculated as a function of C.sub.u /C.sub.t to account for temperature and aging effects, recuperation effects, regeneration effects, and current variation effects.

REFERENCES:
patent: 3886442 (1975-05-01), Chiku et al.
patent: 4289836 (1981-09-01), Lemelson
patent: 4390841 (1983-06-01), Martin et al.
patent: 4460870 (1984-07-01), Finger
patent: 4484140 (1984-11-01), Dieu

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