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Pat. 10348181 United States, Int. Cl.22 H02M 1/08, H02J 1/00, H02M 3/04, H02M 7/19, H02M 7/217, H02M 7/49, H02M 1/00, H02M 7/483. Power control apparatus for sub-module of MMC converter : Appl. N 15/537696 : Filed 29.12.2015 : Pub. 09.07.2019 : / June-Sung Kim, Hong-Ju Jung, Jung-Soo Park, Doo-Young Lee, Jong-Yun Choi ; Assignee Hyosung Heavy Industries Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10348181/en?oq=US10348181.html (дата обращения: ДД.ММ.ГГГГ).