Device for determining the state of charge in batteries

Details Device for determining the state of charge in batteries Device for determining the state of charge in batteries

1974-12-20

1976-07-13

Rolinec, R. V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324182, 320 43, G01N 2742

Patent

active

039696677

ABSTRACT:
A device for determining the state of charge in batteries. The battery un test is discharged to its maximum capability by controlling the discharge current in a linear manner. The product of the current and battery voltage is recorded until the battery power reaches maximum at the maximum power point. The readings, peak power and the potential of the battery at the peak power, are held on meters by peak read and hold and track and hold circuits, respectively. From the readings obtained the state of charge can be determined by using a calibration curve for the type of battery being tested.

REFERENCES:
patent: 3577168 (1971-05-01), Tuten
patent: 3676770 (1972-07-01), Sharat
patent: 3680072 (1972-07-01), Charbonnier
patent: 3750011 (1973-07-01), Kreps
patent: 3753094 (1973-08-01), Furuishi
patent: 3805157 (1974-04-01), Acks
patent: 3816807 (1974-06-01), Taylor
3,577,168 05001971 Tuten 324 182

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