FIELD: electrical engineering.
SUBSTANCE: invention is related to high-power converters. The rectifier-inverter (1) is powered by an industrial network and provides the output in each channel with a width-modulated voltage of the required magnitude and frequency. Longitudinal interference in the output wires have the same direction and therefore the loops (there are several of them) of the output wires in the magnetic circuits (2), (3), (4) for this interference are attenuating inductance.
EFFECT: using one ring magnetic circuit installed at the outputs of all channels, due to the shift of the pulse-width modulation in them by at least three periods of interference oscillations.
1 cl, 2 dwg
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