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Pat. 10461575 United States, Int. Cl.22 H02J 7/00, H02J 7/02, H02J 9/06, H02M 5/458, H02M 7/487, H02M 7/5387, H02M 7/5395, H02M 1/00. Multistate PWM command for 3 levels inverters : Appl. N 15/471319 : Filed 28.03.2017 : Pub. 29.10.2019 : / Patrick Chambon, Alain Lacarnoy ; Assignee Schneider Electric It Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10461575/en?oq=US10461575.html (дата обращения: ДД.ММ.ГГГГ).