Quiescent voltage sampling battery state of charge meter

Details Quiescent voltage sampling battery state of charge meter Quiescent voltage sampling battery state of charge meter

1981-07-23

1984-07-17

Tokar, Michael J.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

320 48, 340636, 324431, G01N 2746

Patent

active

044608705

ABSTRACT:
State of charge is determined for a battery during a quiescent interval with substantially no current flow through the battery by determining the quiescent time interval since the last substantial current flow through the battery, taking a rapid measurement of the battery terminal voltage, and relating the combination of these two measurements to known battery open circuit voltage recovery characteristics.

REFERENCES:
patent: 3890556 (1975-06-01), Melling et al.
patent: 4028616 (1977-06-01), Stevens
patent: 4080560 (1978-03-01), Abert
patent: 4193025 (1980-03-01), Frailing et al.
patent: 4193026 (1980-03-01), Finger et al.
patent: 4234840 (1980-11-01), Konrad et al.
patent: 4322685 (1982-03-01), Frailing et al.
Paper No. 783201 (E)--Title: Unidirectional and Bidirectional Battery State-of-Charge Indicators and Charge Controllers--Date: 10/78, Author: E. P. Finger-Presented at: The Fifth International Electric Vehicle Symposium--Sponsored by: Electric Vehicle Council.

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