Semi-conductor voltage regulator, particularly for automotive us

Details Semi-conductor voltage regulator, particularly for automotive us Semi-conductor voltage regulator, particularly for automotive us

1977-08-15

1978-12-05

Hickey, Robert J.

Electricity: single generator systems

Automatic control of generator or driving means

Voltage of generator or circuit supplied

320 64, 322 73, H02J 714, H02P 930

Patent

active

041287991

ABSTRACT:
To compensate for voltage drop upon high loading of an automotive type alternator, the output of which is rectified, a main semi-conductor control switch is connected to control the output voltage of the alternator by selectively connecting, and disconnecting current flow through the field winding of the alternator. A voltage divider is used to obtain a control voltage for the main semi-conductor switch. An auxiliary sensing circuit is connected to sense waviness, or ripple content of the output voltage and, if it exceeds a pre-determined limit, controls an auxiliary semi-conductor switch which is connected to the voltage divider to modify the voltage division ratio thereof and thereby change the regulating effect of the main semi-conductor switch.

REFERENCES:
patent: 3491285 (1970-01-01), Nowakowski
patent: 3544881 (1970-12-01), Raver et al.
patent: 3868558 (1975-02-01), Winkley et al.

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