Controller for AC generator in vehicles

Details Controller for AC generator in vehicles Controller for AC generator in vehicles

1988-02-25

1989-06-13

Hickey, R. J.

Electricity: single generator systems

Automatic control of generator or driving means

Plural conditions

322 28, 320 64, H02J 714

Patent

active

048395765

ABSTRACT:
A controller for an AC power generator in vehicles having a rectifier for rectifying an AC output of an AC power generator equipped with a field coil, a battery charged with a rectified output of the rectifier, and a voltage regulator for adjusting an output voltage of the AC power generator by controlling a current flowing through the field coil to turn on and off; the voltage regulator being equipped with a detecting portion to detect the field current flowing through said field coil; and further comprising a field current controller, having a reference voltage supplying portion which generates a reference voltage to determine the field current by charging a set value which depends on the intermittent condition of the field current of the voltage regulator on the basis of a larger time constant than that of the field coil, and a comprising and controlling portion which compares each output of the detecting portion for a field current and the reference voltage supplying portion so as to control the voltage regulator to change successively a conductive condition of the field coil; whereby the field current can be increased slowly.

REFERENCES:
patent: 4459489 (1984-07-01), Kirk et al.
patent: 4629968 (1986-12-01), Butts et al.
patent: 4670704 (1987-06-01), Maehara et al.
patent: 4680529 (1987-07-01), Komurasaki et al.
patent: 4682044 (1987-07-01), Hotate et al.

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