Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1987-10-26
1990-05-29
Salce, Patrick R.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 71, H02M 3335
Patent
active
049300598
ABSTRACT:
A switched mode DC/DC power converter for high outputs includes two parallel channels. Each channel consists of a flyback transformer (Fb-Tr1, Fb-Tr2) with a timed primary switch (S1, S2) on the primary side and a secondary switch (S3, S4) on the secondary side. The output flow within one channel from the primary supply voltage Ub through the primary power switch (S1; S2), the flyback transformer (Fb-Tr1, Fb-Tr2), and the secondary power switch (S3; S4) to the secondary output voltage (Ua1, Ua2) occurs, respectively, during the blockage phase. The two flyback transformers (Fb-Tr1, Fb-Tr2) are loosely linked with each through a link circuit (L.C.). The link circuit (L.C.) transmits energy from the transformer which is, respectively, in the forward phase to the other transformer. The power switches (S1, S3; S2, S4) are actuated by a control unit (C.U.) so as to be of correct frequency and phase.
REFERENCES:
patent: 4253137 (1981-02-01), Rao
patent: 4374355 (1983-02-01), Steigerwald et al.
patent: 4455596 (1984-06-01), Baker
patent: 4618919 (1986-10-01), Martin
patent: 4641229 (1987-02-01), Easter
patent: 4665473 (1987-05-01), Onda et al.
patent: 4675796 (1987-06-01), Gautherin et al.
Taylor; "Einfach Taktvoll"; Oct. 1986 Elektronikpraxis, pp. 52-54.
Salce Patrick R.
Sterrett Jeffrey
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