FIELD: electricity.;SUBSTANCE: multilevel autonomous voltage inverter comprises DC link with multi-winding power transformer, unit of rectifiers and serially joined capacitors; valve sections with two arms, bridge rectifier. Each arm comprises serially joined keys with reverse diodes and pairwise joined blocking diodes.;EFFECT: by addition of bridge rectifier and new circuits of connection of reverse diodes and bridge rectifier, power losses are reduced, and coefficient of device efficiency is increased.;4 dwg
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