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Pat. 10778032 United States, Int. Cl.22 H02M 7/04, H02J 7/00, H02J 9/06, H02M 1/32, H02M 3/04, H02M 7/487. Systems and methods for improving efficiency of a neutral-point-clamped inverter : Appl. N 15/122831 : Filed 03.03.2014 : Pub. 15.09.2020 : / Rajesh Ghosh, Henning Roar Nielsen, Damir Klikic ; Assignee Schneider Electric It Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10778032/en?oq=US10778032.html (дата обращения: ДД.ММ.ГГГГ).