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.

Abstract: A circuit used to convert a DC input to an AC output includes a pair of series circuits. Each of the series circuits is in parallel with the DC input and includes a switch and a transformer primary. A capacitor couples the two series circuits, and is attached to each series circuit at a node between the respective transformer primary and switch. A secondary on the transformer provides the AC output. Optionally, multiple transformers may be utilized. Similar topologies may be used for rectification instead of inversion.

Abstract: A power converter circuit emulates the functioning of the satuarable reactor therein using a solid state switch in connection with a control circuit. The power converter circuit includes a voltage source and an output. A switch having a control input and current carrying terminals couples the voltage source to the output. An integrator is connected across the current carrying terminals of the switch. A current source is coupled to the integrator. A comparator couples an output of the integrator to the control input of the switch. The comparator turns on the switch when said output of said integrator exceeds a threshold voltage.