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Pat. 10917002 United States, Int. Cl.22 H02H 7/00, H01H 47/22, H01H 50/18, H01H 50/44, H01H 50/54, H02M 1/32, H02M 7/493, H02M 1/00, H02M 7/483. Capacitor discharge device inside sub module of MMC converter : Appl. N 15/772999 : Filed 22.06.2016 : Pub. 09.02.2021 : / Jae Hoon Oh, Doo Young Lee, Ji Hoon Kim ; Assignee Hyosung Heavy Industries Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10917002/en?oq=US10917002.html (дата обращения: ДД.ММ.ГГГГ).