Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1994-05-04
1995-08-01
Dougherty, Thomas M.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 56, H02M 3335
Patent
active
054385016
ABSTRACT:
A turn-off relief network for a direct voltage converter includes a transformer having a primary winding. At least one clocked power transistor is connected in series with the primary winding. A first series circuit connected parallel to the primary winding includes a diode and a capacitor. A second series circuit connected parallel to the capacitor includes a reversing inductor, a reversing diode for a capacitor voltage and another transistor.
REFERENCES:
patent: 4030014 (1977-06-01), Chana et al.
patent: 4280174 (1981-07-01), Sonda
patent: 4675796 (1987-06-01), Gautherin et al.
patent: 5140509 (1992-08-01), Murugan
"Electronik" 1978, No. 4, pp. 102-107.
Heinemann Lothar
Margaritis Basile
ABB Patent GmbH
Berhane Adolf
Dougherty Thomas M.
Greenberg Laurence A.
Lerner Herbert L.
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