Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1982-04-14
1984-08-07
Wong, Peter S.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 49, 323901, H02M 3335
Patent
active
044647107
ABSTRACT:
A d-c to d-c converter which can start with a shorted output and which regulates output voltage and current is disclosed. Voltage controlled switches directed current through the primary of a transformer the secondary of which includes virtual reactance. The switching frequency of the switches is appropriately varied to increase the voltage drop across the virtual reactance in the secondary winding to which there is connected a low impedance load. A starting circuit suitable for voltage switching devices is provided.
REFERENCES:
patent: 3444481 (1969-05-01), Fisher
patent: 4004251 (1977-01-01), Hesler et al.
patent: 4103356 (1978-07-01), Finlay
patent: 4202031 (1980-05-01), Hesler et al.
patent: 4245177 (1981-01-01), Schmitz
patent: 4390937 (1983-06-01), Clark, Jr.
Hiramatsu et al., "Switch Mode Converter Using High-Frequency Magnetic Amplifier", Power Conversion International, vol. 6, No. 2, Mar.-Apr., 1980, pp. 75-76 and 79-82.
Mackin James A.
Manning John R.
Musial Norman T.
The United States of America as represented by the Administrator
Wong Peter S.
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