Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1999-07-26
2000-05-02
Han, Y. J.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 21, 363 97, H02M 3335
Patent
active
060580267
ABSTRACT:
A DC--DC converter includes a transformer having a primary winding and a secondary winding. The secondary winding includes first and second terminals. An input circuit is connected to the primary winding for coupling an input DC voltage to the primary winding. A first output channel is connected to the first terminal of the secondary winding, and is connected to a first output. The first channel includes a first switch connected in series with a first inductor. A second output channel is connected to the second terminal of the secondary winding, and is connected to a second output. A first and a second capacitor connect the first and second outputs to a return lead. A second switch connects the first output channel to the return lead. A third switch connects the second output channel to the return lead. A pulse width modulator is connected between one of the outputs to drive the input circuit. A pulse width modulator is connected between the first output and the first switch for regulating the duty ratio of the first output channel independently of the second output channel.
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Han Y. J.
Lucent Technologies - Inc.
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