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Pat. 9929633 United States, Int. Cl.22 H02M 1/08, H02M 7/483, H04B 10/079, H02J 3/18, H02M 1/00. Submodule identification in a modular multilevel converter by means of measuring signal propagation times from the central controller : Appl. N 15/025766 : Filed 29.09.2014 : Pub. 27.03.2018 : / Philip Robin Couch, Timothy James Stott ; Assignee General Electric Technology Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9929633/en?oq=US9929633.html (дата обращения: ДД.ММ.ГГГГ).