Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1993-03-09
1994-07-05
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 21, H02M 3335
Patent
active
053273346
ABSTRACT:
A current resonance DC-DC converter has a ZCS resonance switch circuit which comprises a semiconductor switch device 7 and a diode 8 connected together into a parallel circuit, the diode 8 being connected at its cathode to one end of a DC power supply 1, a center-tapped resonance inductance 13 adapted to produce voltages of the same polarity across the center tap and its respective opposite ends and connected at its resonance side to the anode of the diode 8, and a resonance capacitor 6 connected to the center tap of the resonance inductance 13 and to the above-mentioned one end of the power supply 1, the resonance inductance 13 being connected at a transformerside terminal thereof to one end of the primary inductance 4 of a high-frequency transformer HT, the other end of the primary inductance 4 being connected to the other end of the power supply 1.
REFERENCES:
patent: 4720667 (1988-01-01), Lee et al.
patent: 4785387 (1988-11-01), Lee et al.
Ding Lu
Makino Yasuhiro
Beha Jr. William H.
Sanyo Electric Co,. Ltd.
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