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Pat. 10044294 United States, Int. Cl.22 H02M 7/5387, H02M 7/537. Apparatus and method for controlling asymmetric modular multilevel converter : Appl. N 15/367700 : Filed 02.12.2016 : Pub. 07.08.2018 : / Jungwook Park, Soohyoung Lee ; Assignee Korea Electrotechnology Research Institute Keri, Industry Academic Cooperation Foundation of Yonsei University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10044294/en?oq=US10044294.html (дата обращения: ДД.ММ.ГГГГ).