Interleaved DC to DC flyback converters with reduced current and

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

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363 71, H02M 3335

Patent

active

055089038

ABSTRACT:
Interleaved flyback DC to DC converters are provided comprising a first and a second switching transistors controllable with 180.degree. phase shift and a first and a second flyback transformers. A primary winding of each transformer is coupled in a series circuit with the corresponding switching transistor. A secondary winding of the first transformer is coupled with the secondary winding of the second transformer via a first catch diode and both said secondary windings are coupled to an output filter capacitor via a second and a third catch diode, correspondingly. When discharging to the output filter capacitor, the transformers interlock each other. By interlocking, non-pulsating output current is generated and voltage across switching transistors is reduced. A secondary quasi-resonant snubber network relieves voltage spikes across the switching transistors. A common magnetic core of the transformers cuts the cost and the size of the interleaved flyback converters.

REFERENCES:
patent: 4408267 (1983-10-01), Pruitt
patent: 4423476 (1983-12-01), Neumann
patent: 4500949 (1985-02-01), Prete
patent: 4607319 (1986-08-01), Assow et al.
patent: 4618919 (1986-10-01), Martin
patent: 4641229 (1987-02-01), Easter
patent: 4959764 (1990-09-01), Bassett
patent: 5008795 (1991-04-01), Parsley et al.
patent: 5038263 (1991-08-01), Mazzezo et al.
patent: 5132888 (1992-07-01), Lo et al.
patent: 5132889 (1992-07-01), Hitchcock et al.
patent: 5146394 (1992-09-01), Ishii et al.
patent: 5402329 (1995-03-01), Wittenbreder, Jr.
patent: 5434768 (1995-07-01), Jitaru et al.
R. Watson, G. C. Hua, and F. C. Lee, Characterization of an Active Clamp Flyback Topology for Power Factor Correction Applications 1994 IEEE APEC Proceedings, pp. 412-418.
Joe Mazzezo, Utilizing Ripple Steering in Forward and Fry Back Converters and Input Filters, 1995 HFPC Proceedings, pp. 158-182.

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