Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1984-03-05
1986-02-04
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
323280, 323285, 363 57, H02M 3315
Patent
active
045690090
ABSTRACT:
A power supply for providing a selectable predetermined regulated output voltage. A switching regulator circuit provides the conversion of an input voltage to a DC output voltage and a control circuit, which senses the output voltage, controls the conversion of the switching regulator circuit. In the present invention, an amplifier, having selectable gain values, is interposed in the feedback loop, i.e., between the output terminal of the power supply and the control circuit. Thus a predetermined portion of the output voltage is fed back to the control circuit, thereby selectively determining the output voltage without necessitating changes to the switching regulator circuit or the control circuit.
REFERENCES:
patent: 3573597 (1971-04-01), Genuit
patent: 4001667 (1977-01-01), Bober
patent: 4323959 (1982-04-01), Check
Hyland, "Constant Current Source," IBM Tech. Discl. Bul., vol. 13, No. 8, pp. 2367, 2368, Jan. 1971.
Sun, "The Digital Control of D.C. Power Sources," Journal of the Chinese Inst. of Eng., vol. 2, No. 1, pp. 67-72, Jan. 1979.
Beha Jr. William H.
Honeywell Information Systems Inc.
Sapelli A. A.
Solakian J. S.
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