Dual voltage electrical system

Details Dual voltage electrical system Dual voltage electrical system

1986-04-28

1987-08-11

Salce, Patrick R.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 19, 320 40, 320 42, 320 59, 322 90, 322 94, H02J 700

Patent

active

046864423

ABSTRACT:
A dual voltage motor vehicle electrical system wherein a pair of batteries are connected in series across the direct voltage output terminals of a bridge rectifier that is connected to the output winding of an alternating current generator. First and second groups of controlled rectifiers are connected between a junction of the batteries and the generator output winding. In low speed operation of the generator the groups of controlled rectifiers are alternately biased conductive. The time period of conduction of the groups of controlled rectifiers is controlled as a function of the difference in the voltages across the respective batteries. At a higher speed of the generator one of the two groups of controlled rectifiers is biased conductive, dependent upon the relative magnitudes of the voltages across the batteries.

REFERENCES:
patent: 3624480 (1971-11-01), Campbell
patent: 3962621 (1976-06-01), Raver
patent: 4047088 (1977-09-01), Himmler
patent: 4179647 (1979-12-01), Cummins et al.
patent: 4210856 (1980-07-01), Taylor
patent: 4491779 (1985-01-01), Campbell et al.

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