Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1990-01-25
1991-07-30
Deboer, Todd E.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 56, 323222, 323299, 361 18, H02M 3335
Patent
active
050364502
ABSTRACT:
A switching circuit having an input voltage source for producing a DC voltage, a transformer having a pair of inductively coupled primary windings, a controller for electrically coupling the produced DC voltage across a first one of the pair of windings during a first portion of a cycle to induce a voltage in a second one of the pair of windings during such first portion of the cycle and for electrically coupling the produced DC voltage across the second one of the pair of windings during a second, subsequent portion of the cycle to induce the voltage in the first one of the pair of windings during the second portion of the cycle, and a circuit, responsive to the and in response to a level of the voltages induced in the pair of windings exceeding a predetermined voltage, for directing energy related to the excessive voltages back to the voltage source means.
REFERENCES:
patent: 4336587 (1982-06-01), Boettcher et al.
patent: 4438486 (1984-03-01), Ferraro
patent: 4564896 (1986-01-01), Akerson
patent: 4607322 (1986-08-01), Henderson
patent: 4665475 (1987-05-01), Brandstatter
DC-DC Converter Circuit described and shown in Information Disclosure Statement dated Feb. 16, 1989.
"Pulse and Digital Circuits" by Millman and Taub, McGraw-Hill Book Company, Inc., 1956, pp. 248 (Section 8-6) through 252 (note particularly FIG. 8-19).
"Silicon General Product Catalog" (1986), note particularly pp. 94-101 and pp. 160-166.
V. Joseph Thottuvelil et al., "Small-Signal Modeling of a Push-Pull Current-Fed Converter", IEEE Power Electronics Specialists Conf., also known as "PESC '82 Record", (Jun. 14-17, 1982), pp. 224-239.
Kelleher, Jr. John J.
Shute Donald W.
Deboer Todd E.
Maloney Denis G.
Raytheon Company
Sharkansky Richard M.
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