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Pat. 10707782 United States, Int. Cl.22 H02M 7/72, H02M 1/32, H02M 1/36, H02J 3/32, H02J 3/38, H02J 9/06, H02M 1/00, H02M 7/49, H02M 7/5387. Bi-directional energy converter with multiple DC sources : Appl. N 14/725391 : Filed 29.05.2015 : Pub. 07.07.2020 : / Milan Ilic, Mika Nuotio, Jon Bonanno ; Assignee Sungrow Power Supply Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10707782/en?oq=US10707782.html (дата обращения: ДД.ММ.ГГГГ).