Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1993-04-07
1995-02-14
Sterrett, Jeffrey L.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363131, 323222, H02M 3335
Patent
active
053900995
ABSTRACT:
A line-powered phase-control circuit includes a source of rectified voltage. An inductance is responsive to the rectified voltage. A switching transistor has a conduction path connected in series with the inductance at a junction. One plate of a charging capacitor is connected to the inductance and the rectified voltage charges the charging capacitor through a first diode. A switch mode power supply includes a transformer having a primary winding connected between the junction and the plate of the charging capacitor. A second diode is connected between the inductance and the junction.
REFERENCES:
patent: 4109307 (1978-08-01), Knoll
patent: 4302717 (1981-11-01), Olla
patent: 4315305 (1982-02-01), Siemon
patent: 4486823 (1984-12-01), Palm
patent: 4530043 (1985-07-01), Palm et al.
patent: 4564897 (1986-01-01), Okamoto et al.
patent: 4652809 (1987-03-01), Barn
patent: 4772810 (1988-09-01), Felps
patent: 4947308 (1990-08-01), Gulezynski
IEEE Translations On Aerospace And Electronic Systems, vol. 24, No. 6 Nov. 1988, New York, pp. 800-807 Galateanu, "Buck-Flyback DC-DC Converter."
Patent Abstracts Of Japan, vol. 7, No. 247 (E-208) (1932) Nov. 2, 1983.
A publication by Siemens Semiconductor, Industrial ICs, dated Dec. 15, 1989 illustrating a switch mode power supply that includes a transistor T.
A publication entitled Power Supply Controls published by Unitrode Integrated Circuit, Jul. 1990.
Morizot Gerhard
Rilly Gerard
Deutsche Thomson-Brandt GmbH
Henig Sammy S.
Laks Joseph J.
Sterrett Jeffrey L.
Tripoli Joseph S.
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