FIELD: converter engineering; dc-to-ac high-frequency power conversion.;SUBSTANCE: proposed inverter has three-phase thyristor bridge, switching chokes, switching capacitors, star-connected three-phase load, and circuit of two series-connected capacitors of filter connected to "+" and "-" terminals of power supply; in addition it has magnetizing coils for switching chokes connected to independent dc power supply.;EFFECT: enhanced power output of inverter at low output frequency of regulation range.;1 cl, 2 dwg
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