DC to DC converter with feed forward and feed back regulation

Details DC to DC converter with feed forward and feed back regulation DC to DC converter with feed forward and feed back regulation

1988-01-27

1989-02-28

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 49, 363 56, H02M 3335

Patent

active

048091502

ABSTRACT:
A DC to DC converter capable of operating from a power source whose output voltage may change over a 10 to 1 range. A switching modulator is used to convert the DC input voltage into a pulsed voltage. Feed forward control techniques are used to control a switching modulator to rapidly compensate for changes in the amplitude of the input voltage. Feed back techniques are used to maintain the output voltage at the desired value. Isolation between the input and output is provided using a transformer to couple the switching circuits to a rectifier and filter which produces the output voltage. A filter optic link provides isolation for the feed back signal.

REFERENCES:
patent: 4187536 (1980-02-01), Govaert et al.
patent: 4439820 (1984-03-01), Kuhn et al.
patent: 4459539 (1984-07-01), Cordy
patent: 4546421 (1985-10-01), Bello et al.
patent: 4683528 (1987-07-01), Snow et al.
Caloo et al., "Circuit to Linearize the Control Loop of a Switching Voltage Regulator", vol. 22, No. 6, pp. 2191-2192, Nov. 1979.

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