NETWORK FILTER Russian patent published in 2015 - IPC H02M1/16 

FIELD: electricity.

SUBSTANCE: network filter comprises inductance coil with core and current filtering inductance coil with core equipped with at least one additional winding, which are coupled into break in linear wires; capacitor and at least two filtering and correcting circuits coupled between linear wires, and input of each circuit is connected to output of one additional winding; polarising coil and ballast inductance coil with cores and control windings are coupled in series between linear wires, at that control windings are connected by one of their outputs to one linear wire; threshold resolver coupled at input between linear wires; the first electronic switching devices coupled between one linear wire and inputs of control windings; the second electronic switching devices coupled in parallel to ballast inductance coils. Outputs of the threshold resolver are coupled to the first and second electronic switching devices and polarising coil is mounted at least one core of the inductance coils.

EFFECT: saving of consumed load of electric energy.

7 cl, 1 dwg