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Pat. 11063530 United States, Int. Cl.22 H02M 7/483. Method for removing direct current component at output terminal of MMC converter : Appl. N 16/473762 : Filed 14.12.2017 : Pub. 13.07.2021 : / Jong Kyou Jeong, Jong Yun Choi, Joo Yeon Lee, Yong Hee Park, Doo Young Lee ; Assignee Hyosung Heavy Industries Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11063530/en?oq=US11063530.html (дата обращения: ДД.ММ.ГГГГ).