Series resonant converter with inherent short circuit protection

Details Series resonant converter with inherent short circuit protection Series resonant converter with inherent short circuit protection

1999-03-22

1999-12-28

Riley, Shawn

Electric power conversion systems

Current conversion

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

363132, H02J 100

Patent

active

060089970

ABSTRACT:
A series resonant circuit converts a DC input to an AC output. The circuit includes first and second series circuits connected across the DC input, but in opposite polarities. Each series circuit includes a switch, a transformer primary and a capacitor. Also within each series circuit, a diode is connected across the combination of the switch and transformer primary to provide limiting. The transformer primaries are connected together so that the switches are effectively in series. Singular and multiple transformer cores may be used in connection with singular and multiple secondaries to provide the AC output.

REFERENCES:
patent: 5920473 (1999-07-01), Sturgeon
A Stable Load-Invariant High-Frequency SCR Series Resonant Inverter for Radar Transmitter Applications (Robert C. Cole, International Telephone and Telegraph, Gilfillen, Inc.) Dec. 1978, pp. 14-18.
2800 Watt Series Inverter DC Power Supply (D. L. Cronin, Electric Power Processing Dept., Redondo, Beach, CA) PCSC, Dec. 1971 pp. 117-123.

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