Alternating current generator control apparatus for vehicle

Details Alternating current generator control apparatus for vehicle Alternating current generator control apparatus for vehicle

1997-01-08

1998-08-18

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

322 99, 340455, H02P 900

Patent

active

057961816

ABSTRACT:
An improved alternating current generator control apparatus for a vehicle which is capable of preventing a lamp driving transistor from being damaged due to an over-current by controlling the current of the lamp driving transistor connected to an L-terminal when reversely connecting the L-terminal and an S-terminal connected to an external connector. The apparatus includes an alternating current generator having a field coil, a voltage controller for maintaining the voltage generated by the alternating current generator to a predetermined level, a charging lamp for indicating whether a voltage is generated, a lamp driving unit for turning on and turning off the charging lamp, a battery for providing an initial driving voltage to the alternating current generator, an ignition switch for driving an engine of a vehicle, an initial excitation current supply transistor for supplying an initial excitation current, and a lamp driving controller for controlling a current of the lamp driving transistor of the lamp driving unit.

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patent: 5260641 (1993-11-01), Iwatani
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patent: 5448154 (1995-09-01), Kanke et al.
patent: 5539610 (1996-07-01), Williams et al.
patent: 5642251 (1997-06-01), Lebbolo et al.

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