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Pat. 11509241 United States, Int. Cl.22 H02M 3/28, H02J 3/06, H02M 1/00, H02M 7/49, H02M 7/493, H02M 1/42. Power conversion system with N power converters, each having 2 outputs : Appl. N 17/153551 : Filed 20.01.2021 : Pub. 22.11.2022 : / Hong Liu, Cheng Lu ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11509241/en?oq=US11509241.html (дата обращения: ДД.ММ.ГГГГ).