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Pat. 10193466 United States, Int. Cl.22 H02M 5/29, H02J 1/02, H02M 5/293, H02J 3/18, H02M 1/12, H02M 7/483. Method and device for damping voltage harmonics in a multilevel power converter : Appl. N 15/573046 : Filed 18.05.2015 : Pub. 29.01.2019 : / Aravind Mohanaveeramani, Jean-Philippe Hasler, Suman Maiti ; Assignee Abb Schweiz Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10193466/en?oq=US10193466.html (дата обращения: ДД.ММ.ГГГГ).