Charging generator control for vehicles

Details Charging generator control for vehicles Charging generator control for vehicles

1993-03-02

1995-08-22

Stephan, Steven L.

Electricity: single generator systems

Automatic control of generator or driving means

Voltage of generator or circuit supplied

320 39, H02P 910, H02J 722

Patent

active

054443547

ABSTRACT:
Electric generator control for a motor vehicle in which the field current IF provided to the field coil of the generator is variable between two values in response to variations in the load applied to the battery. The output voltage of the battery is compared to a predetermined reference value, and a signal representing the difference is supplied to a voltage divider and to an integrator circuit. The outputs of the voltage divider and the integrator are then provided to respective, comparators. A reference signal provided by a time variable signal generator is supplied to both comparators, the respective outputs of which are connected to the inputs of an AND gate which controls a gating element which in turn controls the field current. In the case of a sudden increase in load applied to the battery, the output of the integrator responds more slowly than the voltage divider, which tracks the difference signal instantaneously, and the operation of the power switch is controlled by the output of the integrator circuit.

REFERENCES:
patent: 3912108 (1975-10-01), Clayton et al.
patent: 4590414 (1986-05-01), Mayumi et al.
patent: 5105143 (1992-04-01), Marumoto et al.
patent: 5157321 (1992-10-01), Kato et al.
patent: 5194801 (1993-03-01), Rozman
patent: 5319299 (1994-07-01), Maehara
Official Communication from German Patent Office with translation.

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