Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1990-12-13
1993-05-04
Stephan, Steven L.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 98, 363132, H02M 3335
Patent
active
052087387
ABSTRACT:
A constant frequency full resonant mode dc/dc converter is provided, suitable for use in low voltage, high current dc power distribution systems. The converter comprises a full-bridge inverter, a resonant circuit, an output transformer, an output diode rectifier, a dc output filter, and a control circuit. The resonant circuit consists of a series branch and a parallel branch. The components of the series branch are selected such that close-to-maximum voltage gain and a near load independent output voltage of the converter are achieved. The components of the parallel branch are, however, chosen to obtain an overall lagging current at the output of the full-bridge for a desired range of output voltage control and no-load to full-load operating conditions.
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"Performance Comparison of Pulse Width Modulated Resonant Mode DC/DC Converters for Space Applications", P. Jain, IEEE Industry Applications Society Conference Board, Oct. 89, pp. 1106-1114.
"Fixed Frequency PWM Series-Parallel Resonant Coverter", A. K. S. Bhat, IEEE Industry Applications Society Conference Board, Oct. 89, pp. 1115-1121.
Northern Telecom Limited
Stephan Steven L.
Sterrett Jeffrey L.
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