Patent ID: 9240723
Filing Date: 2016-01-19
CPC Classification: H02M,Y02B

Claim Text:
1. A resonant circuit comprising: a first resonant circuit input node, a second resonant circuit input node, and a third resonant circuit input node; a first resonant circuit output node, a second resonant circuit output node, and a third resonant circuit output node; a transformer device comprising: a first resonant tank device, a second resonant tank device, and a third resonant tank device each connected between the respective first, second, and third resonant circuit input nodes and the respective first, second, and third primary windings; and a first transformer switching device, a second transformer switching device, and a third transformer switching device arranged to connect the first, second, and third secondary windings in one of the delta-configuration and a star-configuration, wherein the first, second, and third primary windings together with the first, second, and third resonant tank devices are configured in a delta-configuration, wherein the first resonant tank device comprises a first resonant inductor and a first resonant capacitor such that the first resonant inductor, the first resonant capacitor, and the first primary winding are directly connected in series to the first resonant circuit input node and the third resonant circuit input node, wherein the second resonant tank device comprises a second resonant inductor and a second resonant capacitor such that the second resonant inductor, the second resonant capacitor, and the second primary winding are directly connected in series to the second resonant circuit input node and the first resonant circuit input node, and wherein the third resonant tank device comprises a third resonant inductor and a third resonant capacitor such that the third resonant inductor, the third resonant capacitor, and the third primary winding are directly connected in series to the third resonant circuit input node and the second resonant circuit input node.