Patent ID: 7315462

Claim:
A stabilized power supply comprising: a first voltage rectifier circuit connected to an alternating electrical power generator; an inverter circuit connected to the rectifier circuit, the inverter circuit comprising: a switching circuit comprising a plurality of main switches electrically connected with each other to provide a first set of connection midpoints, and a second electrically different set of connection midpoints, the first voltage rectifier circuit connected between the first set of midpoints; an oscillation circuit comprising a resonant circuit connected between the second set of midpoints; and an auxiliary circuit that can be driven and is parallel-connected to the oscillation circuit; a transformer connected to the inverter; wherein the transformer is series-connected with the resonant circuit; and a second rectifier circuit to rectify the alternating signal observable at an output of the transformer; wherein the auxiliary circuit comprises: a set of two assistance circuits, each comprising a transistor and a diode connected in series; wherein the two assistance circuits being parallel-connected and mounted upside down to each other, the set of two circuits being series-connected with a coil.