Charger for electrical energy accumulator

Details Charger for electrical energy accumulator Charger for electrical energy accumulator

1996-06-05

1998-05-19

Tso, Edward

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 15, 320 49, H01M 1046

Patent

active

057540284

ABSTRACT:
An electrical energy accumulator charger having a charging circuit for each cell or group of accumulator cells. Each charging circuit contains a flyback converter (CV1) which is supplied by a power source (5 to 12) providing continuous voltage having a sinusoidal form. Each converter has a transformer (T1) whose primary winding is mounted in series on the power source between two controllable semiconductors (14 and Th1). The blocking or unblocking of the converter (CV1) oscillations is controlled as a voltage of the cell or group of accumulator cells (1). Such an arrangement compensates for the disparities in maximum charge which the accumulator cells have when manufactured.

REFERENCES:
patent: 4227139 (1980-10-01), Rosink et al.
patent: 4253137 (1981-02-01), Rao
patent: 4763238 (1988-08-01), Maige
patent: 5412305 (1995-05-01), Jeanneret

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