FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering, in particular to single-cycle DC voltage converters, and can be used in secondary power supply systems for conversion, regulation and stabilization of constant output voltage, galvanically separated from input constant voltage. Device comprises transformer 2, the beginning of primary winding 1 of which is connected to the positive pole of first capacitor 3, and the end of primary winding 1 through control key 4 with its negative pole and the negative pole of the input constant voltage source. In parallel to primary winding 1 of transformer 2, a clamping element is connected, made up of series-connected rectifier diode 5 and second capacitor 6, connected by the cathode of diode 5 to the positive pole of first capacitor 3, and the anode to the first pole of second capacitor 6, which second pole is connected to common point of connection of end of primary winding 1 with control key 4. Common connection point of the anode of rectifying diode 5 with second capacitor 6 is connected to the first output of linear inductance 7, which second output is connected to positive pole of input DC voltage source. With the beginning of secondary winding 8 of transformer 2, the anode of rectifying diode 9 is connected, the cathode of which is connected to one of the terminals of the first capacitor of filter 10, The second output of which is connected to the end of winding 8. In series with the first capacitor of filter 10 the second capacitor of filter 11 is connected, the second output of which is connected to the anode of rectifying diode 12, the cathode of which is connected to the beginning of secondary winding 8. Parallel to two series-connected filter capacitors 10, 11, load 13 is connected.
EFFECT: formation of required level of constant output voltage from constant input voltage, reduction of static and dynamic losses.
1 cl, 1 dwg
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