Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1988-02-29
1989-05-23
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 70, H02M 3335
Patent
active
048335827
ABSTRACT:
A frequency converter including a single-ended blocking frequency converter for generating a plurality of output voltages. Additional secondary circuits are provided so as to obtain an inexpensive circuit and the additional secondary circuits are provided in addition to a blocking frequency converter secondary circuit and each contain a rectifier diode 13, a switch 12, 12a which are controlled by controller 16, 21 which are arranged in the series branch and each contain a free-wheeling diode 17 in a shunt arm and also contain a LC element 16, 16 which is connected to the free-wheeling diode 17. The frequency converter circuit can be used to feed equipment of electrical communication transmission systems.
REFERENCES:
patent: 4642743 (1987-02-01), Radcliffe
patent: 4745538 (1988-05-01), Cross et al.
Article Entitled Stromversorguns-systeme der Kommunikationstechnik--by Siemens.
Latest switchers allow you to take advantage of their low cost and small size in a wider variety of applications than ever by Teja-2119 EDN Magazine vol. 26 1981 No. 3, Feb.
Beha Jr. William H.
Siemens Aktiengesellschaft
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