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Pat. 9954358 United States, Int. Cl.22 H02H 3/16, H02H 7/26, H02J 1/02, H02J 3/36, H02J 4/00, H02H 9/04, H02M 1/32, H02M 7/483. Control circuit : Appl. N 14/378319 : Filed 01.03.2012 : Pub. 24.04.2018 : / Nnamdi Okaeme, David Reginald Trainer, Colin Charnock Davidson ; Assignee General Electric Technology Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9954358/en?oq=US9954358.html (дата обращения: ДД.ММ.ГГГГ).