POWER CONVERSION DEVICE Russian patent published in 2016 - IPC H02M7/5395 H02M7/42 H02M5/10 H02M5/40 

Abstract RU 2594359 C2

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, namely to devices converting alternating current to alternating current. Power conversion device comprises transformers with primary windings connected to input terminals, and secondary windings, including plurality of single-phase open windings, which are insulated from each other; plurality of converter cells connected to secondary windings of transformers; and control circuit switching on/off switching elements, wherein inputs of converter cells, made with intermediate DC links are mutually connected in parallel manner with appropriate single-phase open windings, and outputs are mutually connected in series with output terminals of each phase.

EFFECT: technical result consists in three and more conversion levels of electric energy by power, voltage and frequency.

18 cl, 20 dwg

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RU 2 594 359 C2

Authors

Dzimiti Takusi

Azuma Satosi

Koyanagi Kimiyuki

Nakamura Ritaka

Simomura Yasukhito

Kato Josikhito

Dates

2016-08-20Published

2013-06-04Filed