Device for controlling the charging and discharging of a storage

Details Device for controlling the charging and discharging of a storage Device for controlling the charging and discharging of a storage

1977-08-11

1980-03-18

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 48, 324433, 324 76A, H02J 704, G01R 1166

Patent

active

041941462

ABSTRACT:
A device for controlling the charging and discharging of a storage battery has an input to which there is applied an input voltage proportional to the magnitude and sign of the current flowing through the battery. The input voltage is amplified and integrated to provide an integral which is an image of the state of charge of the battery. In this invention the input voltage is converted to a pulse train whose frequency is proportional to the magnitude of the input voltage and the pulses are added or subtracted according to its sign. The pulse total forms the said image of the state of charge of the battery.

REFERENCES:
patent: 3564382 (1971-02-01), King et al.
patent: 3872457 (1975-03-01), Ray et al.
patent: 3889172 (1975-06-01), Lelaidier et al.
patent: 3895284 (1975-07-01), Schweizer et al.
patent: 3898548 (1975-08-01), Perelle et al.

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