DC-DC converter having parallel converter circuits

Details DC-DC converter having parallel converter circuits DC-DC converter having parallel converter circuits

1991-11-12

1993-11-30

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

Having plural converters for single conversion

307 6, 307 75, 307 82, 323271, 363 21, H02M 3335

Patent

active

052671364

ABSTRACT:
A DC-DC converter for outputting dc voltage whose peak value is higher than an input dc voltage value and high-frequency voltage corresponding to a command value is superimposed. An insulated switching power supply 27 and a series regulator 26 are connected in parallel to a dc power supply 1. The insulated switching power supply 27 generates output voltage V.sub.2 having a certain level, and the series regulator 26, output voltage V.sub.1 whose voltage varies depending on a command value (command voltage varying at a high frequency). Then, the sum of the output voltages V.sub.1 and V.sub.2 is fed to the load 9.

REFERENCES:
patent: 4317039 (1982-02-01), Romandi
patent: 4320305 (1982-03-01), Thomas
patent: 4611162 (1986-09-01), Erratico et al.
patent: 5029064 (1991-07-01), Ball
patent: 5105351 (1992-04-01), Harada et al.
"Switching Amplifier for Portable Telephone," IEICE Technical Report vol. 89, No. 314 (Nov. 1989).
"Handbook for Practical Power Supply Circuit Device," p. 51, (Dec. 1988).
"Introduction to Power Electronics," p. 177, (Dec. 1984).
"Advances in Switched-Mode Power Conversion," IEEE Transaction on Industrial Electronics, vol. IE-30, No. 1, (Feb. 1983).

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