Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1987-04-09
1988-08-02
Salce, Patrick R.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363124, 323222, 323224, 323266, H02M 3335
Patent
active
047617225
ABSTRACT:
A switch-mode power supply includes the series combination of an inductor and a controllable switch adapted to be coupled to a voltage source for producing a succession of increasing and decreasing ramp currents through the inductor. The average value of the ramp currents is controlled by a feedback loop. A second controllable switch arrangement is coupled for causing the current leaving the inductor to recirculate through the inductor during those intervals in which the second switch is conductive. An integrator is coupled to the inductor for integrating ramp current from the inductor during those intervals in which the second switch is nonconductive, for generating load voltage. A second feedback arrangement senses the load voltage and controls the average conduction of the second switch to control the load voltage. In one embodiment, an inverter receives ramp current from the inductor and generates alternating current, which are transformed and rectified before application to the integrator.
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"A New Optimum Topology Switching DC-to-DC Converter," by Slobodan Cuk et al., published at pp. 160-178 of PESC 77 Record.
Berard Jr. Clement A.
Meise William H.
RCA Corporation
Salce Patrick R.
Starrett Jeffrey
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