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Pat. 10720777 United States, Int. Cl.22 H02J 3/14, H02J 3/38, H02J 7/35, H02M 3/04. DC integration of battery for expanding the DC:AC ratio limit of a PV inverter : Appl. N 16/159836 : Filed 15.10.2018 : Pub. 21.07.2020 : / Ryan K. Mcmorrow ; Assignee Inventus Holdings LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10720777/en?oq=US10720777.html (дата обращения: ДД.ММ.ГГГГ).