Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1987-06-22
1988-11-29
Salce, Patrick R.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 48, 363 75, 363131, 323266, H02M 3335
Patent
active
047886340
ABSTRACT:
A resonant forward converter at a switching frequency of 10 MHz provides a small volume point-of-load converter for distributed power systems. The leakage inductance of a transformer is made negligibly small relative to the magnetizing inductance of the transformer. This enables a resonant controllable switch on the primary side of a transformer and a secondary side rectified diode to be switched either on or off at the same time. The capacitance across the primary side switch and the secondary side diode rings with a resonant inductor connected in parallel with the transformer. Both the switch and diode, therefore, have zero voltage switching transitions. Further, the resonant inductor being connected in parallel with the transformer provides a resonant ring that is independent of load.
REFERENCES:
patent: 3919656 (1975-11-01), Sokal et al.
patent: 3971975 (1976-07-01), Genuit
patent: 4415959 (1983-11-01), Vinciarelli
patent: 4605999 (1986-08-01), Bowman et al.
patent: 4685041 (1987-08-01), Bowman et al.
patent: 4688158 (1987-08-01), Peterson et al.
Kwang-Hwa Liu, Ramesh Oruganti, and Fred C. Lee, "Resonant Switches--Topologies and Characteristics", IEEE Power Electronics Specialist Conference, Toulouse, France, Jun. 24-28, 1985, pp. 106-116.
Kwang-Hwa Liu and Fred C. Lee, "Zero-Voltage Switching Technique in DC/DC Converters", IEEE PESC 1986 Record, pp. 58-70.
Nathan O. Sokal and Alan D. Sokal, "Class E-A New Class of High Efficiency Tuned Single-Ended Switching Power Amplifiers", IEEE Journal of Solid-State Circuits, vol. SC-10, No. 3, Jun. 1975, pp. 168-176.
Andrew F. Goldberg and John G. Kassakian, "The Application of Power MOSFETS at 10 MHz", PESC 1985 Proceedings of the 16th Annual IEEE Power Electronics Specialists Conference, Toulouse, France, Jun. 24-28, 1985, pp. 91-100.
Ronald J. Gutmann, "Application of RF Circuit Design Principles Distributed to Power Converters", IEEE Transactions on Industrial Electronics and Control Instrumentation, vol. IECI-27, No. 3, Aug. 1980.
Kwang-Hwa Liu, Fred C. Lee, "Resonant Switches--A Unified Approach to Improve Performances of Switching Converters", 1984 IEEE International Telecommunications Energy Conference Proceedings, New Orleans, LA, pp. 334-341.
Casey Leo F.
Schlecht Martin F.
Ault Anita M.
Massachusetts Institute of Technology
Salce Patrick R.
LandOfFree
Resonant forward converter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Resonant forward converter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Resonant forward converter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-367289