High frequency series resonant dc-dc converter

Details High frequency series resonant dc-dc converter High frequency series resonant dc-dc converter

1982-09-30

1984-10-16

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 17, 363 37, 363 96, H02P 1322

Patent

active

044778686

ABSTRACT:
A dc-dc converter employs a series resonant circuit which is driven by square waves of current. By adjusting the frequency of the square waves of current above the resonant point or by holding the frequency constant and varying the current supplied to the converter, the voltage on the resonant components can be stepped up and controlled. Switching losses in the inverter gate turn-off devices are low since the inverter feeds a lagging load which allows the use of lossless snubbers.

REFERENCES:
patent: 3328596 (1967-06-01), Germann et al.
patent: 3551632 (1970-12-01), Geisel
patent: 4024453 (1977-05-01), Corry
patent: 4143414 (1979-03-01), Brewster et al.
"High Power Inverter Using Gate Turn-Off Thyristors", Elector, vol. 3, No. 3, pp. 29, 30, Mar. 1977.
Bailey et al., "200 KHz Power FET Technology in DEM Modular Power Supplies", Elect. Eng., vol. 53, No. 656, pp. 39-42, 45-49, Sept. 1981.

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