Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Patent
1990-07-09
1991-10-29
Stephan, Steven L.
Electricity: single generator systems
Automatic control of generator or driving means
Voltage of generator or circuit supplied
322 29, H02J 716
Patent
active
050618890
ABSTRACT:
A vehicle AC generator control device, comprises: an AC generator with a field coil; a rectifier for rectifying an AC output of the AC generator; a battery connected to an output terminal of the rectifier; a voltage regulator with a switching element series-connected to the field coil, the voltage regulator detecting a terminal voltage of the rectifier or battery to operate the switching element to control a field current of the field coil to adjust an output voltage of the AC generator to a predetermined value; a field coil exciting power source for providing an output voltage which is higher than the output voltage of the AC generator; and a field current limiter for limiting a maximum conduction rate of the switching element according to a speed of rotation of the AC generator.
REFERENCES:
patent: 3852653 (1974-12-01), Kuroda et al.
patent: 4368417 (1983-01-01), Matsuyama
patent: 4525662 (1985-06-01), Kato et al.
patent: 4629968 (1986-12-01), Butts et al.
patent: 4636706 (1987-01-01), Bowman et al.
patent: 4914374 (1990-04-01), Iwatani et al.
Iwatani Shiro
Kitamura Yutaka
Mitsubishi Denki K.K.
Peckman Kristine
Stephan Steven L.
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