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Pat. 10164553 United States, Int. Cl.22 H02M 1/12, G01R 31/34, H02J 3/18, H02P 6/18, H02P 21/14, H02M 1/00, H02M 1/15, H02M 7/483. Method and device for damping voltage harmonics in a multilevel power converter : Appl. N 15/555892 : Filed 01.04.2015 : Pub. 25.12.2018 : / Aravind Mohanaveeramani, Jean-Philippe Hasler, Suman Maiti ; Assignee Abb Schweiz Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10164553/en?oq=US10164553.html (дата обращения: ДД.ММ.ГГГГ).