Control apparatus for AC generator of motor vehicle

Details Control apparatus for AC generator of motor vehicle Control apparatus for AC generator of motor vehicle

1995-12-08

1997-11-11

Stephan, Steven L.

Electricity: single generator systems

Automatic control of generator or driving means

Plural conditions

322 28, H02P 910

Patent

active

056868197

ABSTRACT:
A control apparatus for an AC generator of a motor vehicle of high reliability having substantially no adverse influence to an onboard battery and an onboard high-voltage load by suppressing to a passible minimum variation of a regulating voltage which may occur as contacts of a detection voltage change-over switch are degraded. An AC generator of a motor vehicle includes a rectifier circuit for rectifying an output of the AC generator including a field coil, an output change-over switch for changing over an output of the rectifier circuit to either one of a battery and a high-voltage electric load mounted on the motor vehicle, and a voltage regulator for regulating an exciting current supplied to the field coil in dependence on a terminal voltage of the battery as detected on a charging line connected to the battery by way of the output change-over switch upon charging of the battery from the output of the rectifier circuit, to thereby regulate the output voltage of the AC generator.

REFERENCES:
patent: 4563631 (1986-01-01), Mashino et al.
patent: 4651081 (1987-03-01), Nishimura et al.
patent: 4694238 (1987-09-01), Norton
patent: 4985670 (1991-01-01), Kaneyuki et al.
patent: 5512813 (1996-04-01), Uchinami

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