Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1992-11-25
1994-07-05
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 48, H02M 114, H02M 3335
Patent
active
053273338
ABSTRACT:
A DC-DC converter utilizes a tapped transformer secondary winding as a means of achieving output voltage ripple cancellation. This ripple cancellation occurs at a specified input voltage. It operates by fixing the location of a tap on the secondary winding of the power transformer so that the output voltage ripple cancellation occurs at the specified input voltage. It also minimizes the volt seconds that must be sustained by the output filter inductor over a specified range of input voltage for the converter.
REFERENCES:
patent: 4641229 (1987-02-01), Easter
patent: 5038263 (1991-08-01), Marrero et al.
patent: 5099406 (1992-03-01), Harada et al.
patent: 5126931 (1992-06-01), Jitaru
"Constant Frequency, Forward Converter with Resonant Transition", I. Jitaru, HFPC Proceedings, pp. 282-292.
"Zero Voltage PWM, Double Ended Converter" by I. D. Jitaru HFPC-May Proceedings, pp. 394-405, 1992.
Boylan Jeffrey J.
Jacobs Mark E.
Loftus, Jr. Thomas P.
Rozman Allen F.
AT&T Bell Laboratories
Beha Jr. William H.
Steinmetz A. G.
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